Talks
Date 01.06.1973
Title Über ein System zweidimensionaler singulärer Integralgleichungen nicht-normalen Typs (On a system of 2-dimensional singular degenerated integral equations)
Presentation Talk
Occasion 5. TMP (Tagung über Probleme und Methoden der Mathematischen Physik)
Location TH Karl-Marx-Stadt , Karl-Marx-Stadt, GDR
Date 21.09.1975
Title Zwei Methoden zur näherungsweisen Lösung spezieller nichtlinearer partieller Differentialgleichungen (Two methods for an approximate solution of special non-linear partial differential equations)
Presentation Talk
Occasion International Summer School Theory of Nonlinear Operators
Location Akademie der Wissenschaften der DDR , Berlin, GDR
Date 04.05.1978
Title Funktionentheorie im Rn (Holomorphic functions in Rn)
Presentation Institutional seminar
Occasion Invitation by W. Tutschke
Location Martin-Luther-University,   Halle, GDR
Date ??.09.78
Title Methode der harmonischen Approximation (Method of harmonic approximation)
Presentation Talk
Occasion Annual Meeting of the HFR Numerische Mathematik of the  GDR
Location Castle of Reinhardtsbrunn, Friedrichroda, GDR
Date 28.08.1979
Title On the solution of Maxwell equations in isotropic media
Presentation Talk
Occasion 7.th International Summer School on Nonlinear Analysis, Theory and Applications
Location Akademie der Wissenschaften der DDR , Berlin, GDR
Date ??.??.79
Title Mehrdimensionale Realisierung einer allgemeinen Operatorentheorie (A multidimensional realisation of a general operator theory)
Presentation Institutional seminar
Occasion Invitation by M. Tasche
Location Department of Mathematics, University of Rostock,  Rostock, GDR
Date 21.01.1981
Title Multidimensional Cauchy-Riemann-Systems and Applications
Presentation Institutional seminar
Occasion Invitation by J. Brilla
Location Chair of Applied Mathematics, Comenius-University,  Bratislava, Czechoslovakia
Date 25.03.1981
Title A multidimensional Realization of an Algebraic Operator Calculus and Applications for Solution of Elliptic Boundary Value Problems
Presentation Lecture
Occasion Semester on ''Mathematical Methods and Models in Contemporary Mechanics''
Location Banach-Center , Warsaw, Poland
Date 20.10.1981
Title A Multidimensional Function Theory
Presentation Institutional Seminar
Occasion Invitation by A.W. Bitzadse
Location Steklov Institute of the Lomonossov University ,  Moscow , Soviet Union
Date 31.03.1982
Title Die Berechnung thermischer Spannungen in der Aufheizphase (The calculation of thermal stresses in the heating-up period)
Presentation Talk
Occasion 4. Wissenschaftliche Konferenz ''III. Kolloquium Eigenspannungen und Oberflächenverfestigung''
Location IHS Zwickau, Zwickau, GDR
Date 1982
Title Mehrdimensionale Funktionentheorie
Presentation Institutional seminar
Occasion Invitation by R. Schimming
Location Universität Greifswald , Greifswald, GDR
Date 03.06.1983
Title Die Arbeiten von Professor Jäckel bei der Anwendung mathematischer Methoden zur Optimierung volkswirtschaftlich bedeutsamer technologischer Prozesse (On the papers of Professor Jckel on the application of mathematical methods for the optimisation of economic relevant technological processes)
Presentation Talk
Occasion 60. Birthday of Prof.Dr. Hans Jäckel
Location Technische Hochschule Karl-Marx-Stadt,  Karl-Marx-Stadt, GDR
Date 07.01.1984
Title A hypercomplex Method for Calculating Stresses in 3-dimensional Bodies
Presentation Lecture
Occasion 12. Internationale Winter School on Abstract Analysis
Location Academy of Science of Czechoslovakia , Churanov (Bohemian Forest), Czechoslovakia
Date 25.09.1984
Title Application of quaternionic analysis for calculating Stresses in real bodies
Presentation Lecture
Occasion Semester on ''Partial Differential Equations'' (organised by B. Bojarski)
Location Stefan Banach-Center,  Warsaw, Poland
Date 05.10.1984
Title Untere Abschätzungen des ersten Eigenwerts fr eine Klasse elliptischer Differentialoperatoren (Lower estimates of the first eigenvalue for a class of elliptic differential operators)
Presentation Talk
Occasion Tagung ber Partielle Differentialgleichungen und Steuertheorie (Conference on partial differential equations and operation research)
Location TH Leuna-Merseburg,  Merseburg, GDR
Date ??.12.84
Title Analytischen und Numerischen Methoden zur Lsung von Integral- und Pseudodifferentialgleichungen (Analytic and numercal methods for the solution of integral- and pseudointegral equations)
Presentation Lecture
Occasion Winterschule des Weierstraß-Instituts der Akademie der Wissenschaften der DDR
Location Leisure residence of the Academy of Science of the GDR , Binz, GDR
Date ??.??.86
Title Mehrdimensionale Realisierung eines allgemeinen Operatorenkalküls
Presentation Institutional seminar
Occasion Invitation by H. Malonek
Location Pädagogische Hochschule Halle-Köthen , Halle, GDR
Date 11.06.1986
Title Funktionentheorie der Quaternionen und ihre Anwendungen (Analysis of quaternions and its applications)
Presentation Talk
Occasion Honorary Colloquium on the occasion of the retirement of Professor F. Rühs
Location TU Bergakademie Freiberg, Freiberg, GDR
Date ??.10.86
Title Quaternionic analysis and its applications
Presentation Talk
Occasion Conference on Analytical and Numerical Treatment of Differential- and Integral Equations
Location Frankfurt/Oder, GDR
Date 13.01.1987
Title A generalized Leibniz Rule and Foundation of a discrete Quaternionic Analysis
Presentation Talk
Occasion 15. Winterschool on Geometry and Physics of the Czechoslovak Academy of Science
Location Srni, Czechoslovakia
Date 06.05.1988
Title Quaternionic Analysis
Presentation Institutional Seminar
Occasion Invitation by Ch. Rezek
Location AGH Krakow (Partner University of TU Freiberg), Krakow, Polen
Date 03.06.1988
Title Anwendungen der räumlichen Funktionentheorie in der theoretischen Physik (Applications of the multidimensional function theory in theoretical physics
Presentation Talk
Occasion Honorary Colloquium of the 65th Birthday of Hans Jäckel
Location TU Karl-Marx-Stadt,  Karl-Marx-Stadt, GDR
Date 28.06.1988
Title Eine Operatormethode zur Lösung nichtlinearer Randwertprobleme (A operator method for the solution of non-linear boundary value problems)
Presentation Talk
Occasion 9. TMP (Tagung ber Probleme und Methoden der Mathematischen Physik)
Location TU Karl-Marx-Stadt , Karl-Marx-Stadt, GDR
Date ??.12.1988
Title On a Boundary Value Problem of Maxwell's Equations by using of Quaternions
Presentation Talk
Occasion 5. Conference on Complex Analysis and Its Applications to Partial Differential Equations
Location University of Halle-Wittenberg, Halle, GDR
Date 09.01.1989
Title Discrete Quaternionic Function Theory for the Solution of Navier-Stokes Equations
Presentation Talk
Occasion 16. Winterschool on Geometry and Physics
Location Srni, Czechoslovakia
Date 30.03.1989
Title Behandlung von Randwertproblemen mittels Quaternionenanalysis (Treatment of boundary value problems with quaternionic analysis)
Presentation Institutional seminar
Occasion Invitation by S. Proessdorf
Location Karl-Weierstra-Institute of the Academy of Science of GDR , Berlin, GDR
Date 23.05.1989
Title Randkollokationsmethoden mit H-regulaeren Funktionen und ein hyperkomplexes Diskretisierungskonzept (Boundary collocation methods with $H$-regular functions and a hypercomplex conception of discretisation)
Presentation Institutional seminar
Occasion Invitation by W. Wendland
Location University of Stuttgart, Institute of Applied Mathematics,  Stuttgart, FRG
Date 28.05.1989
Title On a decomposition of the quaternionic-valued Hilbert space L2;H(G)
Presentation Institutional seminar
Occasion Invitation by R. Delanghe
Location University of Ghent, Seminaire voor Algebra en Functionaalanalyse , Ghent, Belgium
Date 30.05.1989
Title Boundary Collocation methods with H-regular Functions
Presentation Institutional seminar
Occasion Invitation by F. Brackx
Location University of Ghent, Engineering Faculty , Ghent, Belgium
Date 31.05.1989
Title Anwendung der Quaternionentheorie zur Lsung rumlicher Randwertaufgaben (Application of quaternionic analysis for the solution of multidimensional boundary value problems)
Presentation Institutional seminar
Occasion Invitation by K. Habetha
Location RWTH Aachen, Department of Mathematics, Mathematisches Kolloquium, Aachen, FRG
Date 05.06.1989
Title Eine neue Strategie zur Lsung räumlicher Rand- und Eigenwertprobleme (A new strategy for the treatment of Boundary-and eigenvalueproblems)
Presentation Institutional seminar
Occasion Invitation by U. Koschorke
Location Universität Gesamthochschule Siegen, Mathematisches Kolloquium, Siegen, FRG
Date 18.09.1989
Title Discrete Hypercomplex Function Theory and Applications in Numerical Mathematics
Presentation Invited lecture
Occasion 2nd International Conference Clifford Algebras and their Applications
Location University of Montpellier, Montpellier, France
Date 20.09.1989
Title Lower Bounds for the First Eigenvalue of the Dirac Operator
Presentation Talk
Occasion 2nd International Conference Clifford Algebras and their Applications
Location University of Montpellier,  Montpellier, France
Date 26.02.1990
Title On methods of quaternionic analysis for the computation of lower eigenvalue bounds
Presentation Lecture
Occasion Tagung Eigenwertaufgaben in Natur- und Ingenieurwissenschaften und ihre numerische Behandlung (Conference on eigenvalue problems in natural sciences and engineering and its numerical treatment}
Location Mathematisches Forschungsinstitut Oberwolfach, Oberwolfach, FRG
Date 01.10.1990
Title An Operator Calculus in Clifford Structures
Presentation Institutional seminar
Occasion Invitation by P. Lounesto
Location Helsinki University of Technology, Espoo, Finland
Date 03.10.1990
Title Treatment of Eigenvalue and Boundary Value Problems by Clifford Algebra Techniques
Presentation Colloquiums talk
Occasion Colloquium of the Finnish Academy of Science
Location Helsinki University , Helsinki, Finland
Date 19.12.1990
Title Elliptische Randwertprobleme im Quaternionenkalkül (Elliptic boundary value problems in quaternionic calculus)
Presentation Lecture
Occasion Invitation-Meeting for mathematicians from the former GDR
Location FU Berlin,  Berlin, Germany
Date 22.03.1991
Title Quaternionic analysis and boundary value problems -- new aspects
Presentation Lecture
Occasion Workshop ''Mathematische Analyse bruchmechanischer Probleme'' (Mathematical analysis of fracture-mechanical problems)
Location TH Darmstadt,  Darmstadt, Germany
Date 29.05.1991
Title  
Presentation Lecture
Occasion Workshop Analysis in höheren Dimensionen und Funktionentransformationen (Analysis in higher dimensions and function transforms)
Location TU Chemnitz,  Chemnitz, Germany
Date 26.07.1991
Title Quaternionic Analysis and Applications to Elliptic Boundary Value Problems
Presentation Talk
Occasion 13th World Congress on Computation and Applied Mathematics und Angewandte Mathematik
Location Trinity College, Dublin, Ireland
Date 15.11.1991
Title Anwendung von Quaternionenanalysis auf stationäre Navier-Stokes-Probleme mit freier Konvektion (Application of quaternionic analysis to the stationary Navier-Stokes problem with free convection
Presentation Institutional seminar
Occasion Invitation by K. Doppel
Location FU Berlin,  Berlin, Germany
Date 04.12.1991
Title Zur hyperkomplexen Behandlung elliptischer Randwertaufgaben (Hypercomplex treatment of elliptic boundary value problems)
Presentation Institutional seminar
Occasion Invitation by H. Leutwiler
Location Friedrich Alexander University Erlangen-Nuremberg, Nuremberg, Germany
Date 16.03.1992
Title On the function theory od the disturbed Dirac operator
Presentation Talk
Occasion Tagung Elliptische Randwertaufgaben (Conference on elliptical boundary value problems)
Location Hochschule für Seefahrt Warnemünde-Wustrow (University for Nautics Warnemünde-Wustrow,  Wustrow, Germany
Date 15.06.1992
Title Analisi ipercomplessa e problemi al contorno (Hypercomplex analysis and problems in domains)
Presentation Lecture
Occasion Invitation by E. Venturino
Location University of Catania,  Catania, Italy
Date 19.06.1992
Title Methodi di collocazione sul contorno H-regulori (H-regular Collocation methods in domains)
Presentation Institutional seminar
Occasion Invitation by E. Venturino
Location University of Catania , Catania, Italy
Date 10.09.1992
Title A new application of quaternionic analysis
Presentation Lecture
Occasion Symposium on Hyperkomplexe Analysis -- Transformationen -- New Applications of Quaternionic Analysis
Location Waldgasthof Teichhaus,  Holzhau, Germany
Date 26.09.1992
Title Hypercomplex Function Theory and Stokes Problems
Presentation Invited lecture
Occasion Max Born - Symposium
Location Sobotka castle , Sobotka, Poland
Date 04.03.1993
Title Methods of quaternionic analysis for the treatment of Navier-Stokes equations
Presentation Talk
Occasion ECMI93 (European Consortium for Mathematics in Industry) 7th Conference
Location Therme Excelsior,  Montecatini Terme, Italy
Date 06.05.1993
Title Quaternionic Operator Calculus and Domain Perturbation Problems
Presentation Talk
Occasion 3th International Conference Clifford Algebras and their Applications (ICCA)
Location De Ceder , Deinze, Belgium
Date 19.08.1993
Title Some Remarks on Analysis in Clifford Algebras
Presentation Invited lecture
Occasion 19th International Summer School Applications of Mathematics in Engineering
Location Varna, Bulgaria
Date 07.10.1993
Title Applications of hypercomplex Methods to disturbed Boundary Value Problems
Presentation Talk
Occasion Workshop on Mathematical Problems in Continuum Mechanics
Location TU Darmstadt,  Darmstadt, Germany
Date 08.11.1993
Title Quaternionic Analysis and Problems in Electrodynamics
Presentation Instituional seminar
Occasion Invitation by B. Jancewicz
Location University of Wroclaw, Chair on theoretical physics , Wroclaw, Poland
Date 09.03.1994
Title Quaternionic analysis
Presentation Instituional seminar
Occasion Invitation by L. Fortuna
Location University of Catania (Dipartimento Elettrico, Elettronio e Sistenistico) , Catania, Italia
Date 07.04.1994
Title Multivector Analysis and Boundary Value Problems
Presentation Talk
Occasion Annual GAMM meeting
Location TU Braunschweig ,Braunschweig, Germany
Date 16.05.1994
Title Multivektoranalysis und Randwertprobleme der mathematischen Physik (Multivector analysis and boundray value problems in mathematical physics)
Presentation Lecture
Occasion Invitation by R. Schimming
Location University of Greifswald,  Greifswald, Germany
Date 28.06.1994
Title Treatment of problems in mechanics of viscous flows by quaternionic methods Presentation: two introductional lectures
Presentation
Occasion Erasmus stay
Location University of Aveiro , Aveiro, Portugal
Date 08.07.1994
Title Quaternionic analysis and boundary value problems
Presentation Institutional seminar
Occasion Invitation by F.O. Speck
Location Mathematical Faculty of the University of Lisbon , Lisbon, Portugal
Date 12.12.1994
Title On the treatment of some classes of boundary value problems by methods of quaternionic Analysis
Presentation Talk
Occasion Internationale Conference Operator Theory for Complex and Hypercomplex Analysis
Location IPN , Mexico-City, Mexico
Date 08.05.1995
Title Applications of quaternionic analysis
Presentation Instituional seminar
Occasion Invitation by R. Delanghe
Location Rijcks-University Ghent,  Ghent, Belgium
Date 21.06.1995
Title About hyercomplex analysis in quaternions
Presentation Institutional seminar
Occasion Invitation by E. Venturino
Location University of Catania, Catania, Italy
Date 15.09.1995
Title On the treatment of uid problems by methods of Clifford analysis
Presentation Lecture
Occasion IMACS-COST Conference on computational fluid mechanics and three-dimensional complex flows
Location EPFL,  Lausanne , Switzerland
Date 08.11.1995
Title Zur Behandlung von Randwertaufgaben partieller Differentialgleichungen mit analytischen Mitteln der Quaternionentheorie (On the treatment of boundary value problems of partial differentail equations with analytic means of the quaternionic analysis)
Presentation Institutional seminar
Occasion Invitation by E. Meister
Location TU Darmstadt,  Darmstadt, Germany
Date 28.05.1996
Title On a class of non-linear boundary value problems
Presentation Lecture
Occasion 4th International Conference on Clifford Algebras and their Applications (ICCA)
Location RWTH Aachen,  Aachen, Germany
Date 14.06.1996
Title Uber nichtlineare Randwertaufgaben mit Mitteln der Quaternionen-Analysis (On non-linear boundary value problems with means of quaternionic analysis)
Presentation Invitational seminar
Occasion Invitation by K. Guerlebeck
Location Bauhaus-Universität Weimar,  Weimar, Germany
Date 01.10.1996
Title On Classes of Nonlinear Boundary Value Problems dealt with Clifford Analytic Methods
Presentation Talk
Occasion Sommerfeld `96 - Workshop Modern Mathematical Methods in Diffraction Theory and its Applications in Engineering
Location Waldhotel Zollerblick,  Freudenstadt, Germany
Date 07.06.1997
Title On the treatment of classes of non-linear boundary value problems by Clifford analytic methods
Presentation Talk
Occasion ISAAC Meeting
Location University of Delaware,  Newark, USA
Date 28.09.1997
Title Quaternions and applications
Presentation Lecture
Occasion Erasmus Meeting
Location University of Sussex (holiday house) ,  Isle of Thorns, England
Date 17.12.1997
Title Quaternionic and Clifford Analysis and their Applications
Presentation Institutional seminar
Occasion Invitation by T. Qian
Location University of New England,  Armidale, Australia
Date 05.03.1998
Title Boundary Value Problems and Growth Problems by Hypercomplex Methods
Presentation Institutional seminar
Occasion Invitation by G. Sobczyk
Location Universidad de Las Americas, Puebla, Mexico
Date 06.03.1998
Title Boundary value problems dealt with hypercomplex analysis
Presentation Institutional seminar
Occasion Invitation by M. Shapiro
Location ESFM of the IPN,  Mexico-City, Mexico
Date 09.03.1998
Title On regular hypercomplex elementary functions and boundary value problems
Presentation Institutional semnar
Occasion Invitation by J. Ryan
Location Mathematics Colloquia of the University of Arkansas,  Fayetteville, USA
Date 27.03.1998
Title Fueter's Ideas and Regular Elementary Functions
Presentation Introductional lectures
Occasion Erasmus stay
Location University of Aveiro,  Aveiro, Portugal
Date 08.10.1998
Title Operators in Clifford Analysis and Boundary Value Problems
Presentation Invited lecture
Occasion Internationale Conference Dirac operators and applications
Location Grand Hotel San Michele , Cetraro, Italy
Date 16.03.1999
Title Quaternionic Analysis for Problems in Fluid Mechanics
Presentation Institutional seminar
Occasion Reserach stay at the Analysis Research Group
Location University of Aveiro , Aveiro, Portugal
Date 26.03.1999
Title Quaternionic analysis of boundary value problems in Magneto- Hydrodynamics
Presentation Talk
Occasion 13. TMP in honour of Siegfried Prößdorf
Location Wasserschloss Klaffenbach,  Chemnitz, Germany
Date 23.06.1999
Title On the construction of quaternionic regular elementary functions
Presentation Institutional seminar
Occasion Invitation by V. Kravchenko
Location Escuela Superior de Ingenieria Mechanica y Electrica des Instituto Politecnico Nacional, Mexico-City, Mexico
Date 03.07.1999
Title Hypercomplex analysis in fluid mechanics
Presentation Plenary lecture
Occasion International Conference Clifford Algebras and their Applications in Mathematical Physics (ICCA)
Location Hotel Presidente Intercontinental Ixtapa, Ixtapa-Zihuantanejo, Mexico
Date 18.08.1999
Title On hypercomplex boundary value problems in H. Begehr's work
Presentation Talk
Occasion 2.ISAAC World Congress
Location Fukuoka University,  Fukuoka, Japan
Date 19.08.1999
Title Quaternionic Analysis for special Boundary Problems in Fluid Mechanics
Presentation Talk
Occasion 2. ISAAC World Congress
Location Fukuoka University, Fukuoka, Japan
Date 03.09.1999
Title Geometrische und algebraische Aspekte der Analysis
Presentation Introductional lecture
Occasion Lehrerweiterbildung des Landes Thringen
Location Adolf-Reichwein-Gymnasium, Jena, Germany
Date 03.11.1999
Title Clifford-Analysis und deren Anwendung auf Randwertaufgaben der mathematischen Physik (Clifford analysis and applications to boundary value problems in mathematical physics)
Presentation Faculty colloquium
Occasion Invitation by G. Hecht
Location TU Chemnitz Institute of Physics,  Chemnitz, Germany
Date 14.01.2000
Title Über die Anwendung hyperkomplexer Methoden in der Strömungsmechanik (On the application of hypercomplex methods in fluid dynamics)
Presentation Institutional seminar
Occasion Invitation by B. Fauser
Location University of Konstanz, Institute of astrophysics , Konstanz, Germany
Date 31.03.2000
Title On the origins of digits and numbers
Presentation Public student lecture
Occasion Invitation by E. Venturino
Location Politecnico Turin, Turin, Italy
Date 21.01.2000
Title On a class of algebraic integrals
Presentation Institutional seminar
Occasion Invitation by K. Gürlebeck
Location Bauhaus-University Weimar , Weimar, Germany
Date 17.04.2000
Title Modified Teodorescu transform with an application to the Landesman-Lazar problem
Presentation Talk
Occasion DFG-Workshop: New results on dynamic problems in continuum physics
Location TU Darmstadt ,  Darmstadt, Germany
Date 28.04.2000
Title 83 years Radon transform - a historical survey
Presentation Introductional lecture
Occasion Colloquium of the Analysis Research Group
Location University of Aveiro,  Aveiro, Portugal
Date 03.08.2000
Title Teodorescu transform and eigenvalue problems
Presentation Key-Lecture
Occasion International Conference on Clifford Analysis, Its Applications and Related Topics
Location Olympic Hotel Beijing, Beijing, China
Date 15.09.2000
Title Teodorescu type transforms and applications
Presentation Talk
Occasion Second IMA International Conference on Boundary Integral methods Theory and Applications
Location University of Bath, Bath, United Kingdom
Date 03.10.2000
Title Clifford Analysis and Boundary Value Problems
Presentation Institutional seminar
Occasion Invitation by G. Laville
Location Departement de Mathematique an der Universite de Caen, Caen, France
Date 31.10.2000
Title On a class of weak singular integral operators and its applications
Presentation Keylecture
Occasion NATO Advanced Research Workshop Clifford Analysis and its Applications
Location CDMS Krystal Prague,  Prague, Czechia
Date 26.01.2001
Title Modified Teodorescu transform and Maxwell equations
Presentation Talk
Occasion GAMM Workshop Computational Electromagnetics
Location University of Kiel,  Kiel, Germany
Date 29.06.2001
Title Quaternionic Analysis for Non-stationary Physical Processes
Presentation Talk
Occasion Computational Methods and Function Theory 2001 (CMFT)
Location University of Aveiro,  Aveiro, Portugal
Date 20.07.2001
Title Quaternionic Calculus for Maxwell Equations
Presentation Talk
Occasion International Symposium Algorithms for Approximation IV
Location University of Huddersfield, Institute of Mathematics and Computer Science,  Huddersfield, England
Date 09.08.2001
Title Maxwell Equations in Clifford Algebra Framework
Presentation Keylecture
Occasion International Conference on Finite or Infinite Dimensional Complex Analysis and Applications
Location TU Hanoi, Hanoi, Vietnam
Date 20.05.2002
Title Clifford Calculus for Pseudoparabolic problems
Presentation
Occasion 6th Congress Clifford Algebras and their Applications to Mathematical Physics
Location University of Tennessee,  Cookeville , USA
Date 18.08.2002
Title Galpern-Sobolev equations with non-constant coeffcients
Presentation Main-Lecture
Occasion International Conference on Clifford Analysis and its Applications Satellite Conference of the (CM 2002)
Location University of Macao,  Macao, People's Republic of China
Date 10.06.2003
Title On the Galpern-Sobolev equation - representation theory
Presentation Talk
Occasion IKM 2003
Location Bauhaus-University of Weimar, Weimar, Germany
Date 17.06.2003
Title Representation of solutions for pseudo-parabolic problems
Presentation Institutional seminar
Occasion Invitation by E. Venturino
Location Turin university , Torino, Italy
Date 02.07.2005
Title Die Teodorescu-Transformation und deren Ntzlichkeit
Presentation
Occasion 60th Birthday of Manfred Tasche
Location Mecklenburger Workshop,  Hasenwinkel, Germany
Date 20.11.2003
Title Erzeugende Operatoren in der Quaternionen- und Clifford-Analysis (Generating operators in quaternionic and Clifford analysis)
Presentation Institutional seminar
Occasion Invitation by J. Tolksdorf
Location University of Mannheim, Mannheim, Germany
Date 05.12.2003
Title Analytical and Numerical methods in Clifford analysis On electromagnetic fields in a semiconductor with quaternionic analysis
Presentation Talk
Occasion Workshop Analytical and Numerical Methods in Clifford Analysis
Location Bauhaus-University Weimar,  Weimar, Germany
Date 08.07.2004
Title Quaternionic Analysis in Applications (electromagnetic fields, fluid flow problems)
Presentation three lectures
Occasion Mini-Course
Location University of Aveiro,  Aveiro, Portugal
Date 02.08.2004
Title Initial-value and Boundary value problems with hypercomplex methods and Applied Mathematics
Presentation Lecture
Occasion Intensive Course Summer School on Clifford Analysis and Applications
Location TU Tampere , Tampere, Finland
Date 10.09.2004
Title Aspects of Cliffordanalysis in Applied Mathematics Chalkis
Presentation Plenary lecture
Occasion International Conference of Numerical Analysis and Appliactions (ICNAAM2004)
Location Universtiy of Peloponnes, Chalkis, Greece
Date 18.06.2005
Title Quaternionic analysis in fluid dynamics
Presentation Talk
Occasion Talk at the 2nd joint AMS-DMV Meeting
Location University of Mainz , Mainz, Germany
Date 16.09.2005
Title Equations of Fluid dynamics with non-linear viscosity in quaternionic setting
Presentation Talk
Occasion Minisymposium on Dirac Operators and Applications of the ICNAAM
Location Rhodos, Griechenland
Date 27.09.2005
Title Equations of fluid dynamics and rheology in quaternionic setting
Presentation Overview Lecture
Occasion 2nd International Course of the German Summer Academy Modelling of technical processes
Location TU Freiberg,   Freiberg, Germany
Date 20.02.2006
Title Quaternionic and Cliffordanalysis with applications to fluid flow problems
Presentation 6 Lectures
Occasion Lecture series as part of the program Technomathematics
Location Technical University Hanoi,  Hanoi, Vietnam
Date 08.03.2006
Title Quaternionic analysis in fluid dynamics
Presentation Institutional seminar
Occasion Invitation by T. Qian
Location University of Macao, Department of Mathematics and Computer Science, Macao, People's Republic of China
Date 23.05.2006
Title Applications of quaternionic analysis in fluid dynamics
Presentation Talk
Occasion SIMAI 2006, Session: Boundary integral equations; recent numerical developments and applications
Location Hotel Congressi Baia Samuele, Ragusa (Sicily), Italy
Date 05.06.2006
Title Clifford algebra techniques and (initial) boundary value problems
Presentation Plenary talk
Occasion International Conference on Mathematical Modelling and Computation
Location University of Brunei-Darussalam, Darussalam, Sultanate of Brunei
Date 13.07.2006
Title On fluid flow problems on the sphere
Presentation Talk
Occasion IKM 2006
Location Bauhaus-University Weimar , Weimar, Germany
Date 20.07.2006
Title On the usefulness of quaternionic analysis
Presentation Institutional seminar
Occasion Invitation by G. Sommer
Location Christian-Albrechts-University of Kiel, Institute of Informatics and applied mathematics  Cognitive systems) , Kiel, Germany
Date 16.09.2006
Title Forcasting equations in quaternionic fomulation
Presentation Talk
Occasion ICNAAM 2006, Symposium Applied Clifford Analsis
Location Hotel Imperial Belvedere,  Hersonissos , Greece (Crete)
Date 26.04.2007
Title Quaternionic holomorphic functions in fluid dynamics and elasticity
Presentation Plenary talk
Occasion MATA2007
Location Westin Hotel , Cancun, Mexico
Date 03.05.2007
Title Hodge decompositions and boundary value problems
Presentation Plenary talk
Occasion International Conference on Applied Analysis
Location Resort Hotel ''Mision'',  Queretaro, Mexico
Date 18.06.2007
Title L-Holomorphic functions in elasticity and fluid dynamics
Presentation 4 Lectures
Occasion 13. European Intensive Course on Complex Analysis and applications to partial differential equations
Location Universities of Aveiro and Coimbra,  Aveiro and Coimbra, Portugal
Date 03.09.2007
Title Navier-Stokes equations with thermal effects in complex-quaternionic setting
Presentation Invited talk
Occasion Workshop on Clifford Analysis and Applications
Location Hed Pand ,Ghent, Belgium
Date 16.09.2007
Title Shallow water equations in quaternionic setting
Presentation Talk
Occasion ICNAAM 2007, Symposium Applied Clifford Analysis
Location Hotel Marbella,   Corfu, Greece
Date 14.02.2008
Title Fluid flow equations with thermal effects in quaternionic setting
Presentation Institutional talk
Occasion Invitation by Le Hung Son
Location TU Hanoi, Hanoi, Vietnam
Date 06.05.2008
Title Quaternionic Operator Methods with Applications to Initial-Boundary Value Poblems
Presentation Institutional talk
Occasion Invitation by V. Kisil
Location Department of Mathematics at the University of Leeds, Leeds, England
Date 26.05.2009
Title Hydrodynamics with thermal and magnetic effects in complex quaternionic setting
Presentation Main talk
Occasion International Conference on Clifford Algebras and their Applications in Mathematical Physics (ICCA2008)
Location University of Campinas, Departments of Physics and Mathematics, Campinas, Brazil
Date 08.06.2008
Title Fluid flow problems in compressible media
Presentation Talk
Occasion Mecklenburger Workshop Approximationsmethoden und schnelle Algorithmen (65th Birthday of M. Tasche)
Location Castle Hasenwinkel,  Hasenwinkel, Germany
Date 12.06.2008
Title Erwin Papperitz als Mathematiker und Mitbegründer der DMV (Erwin Papperitz as mathematician and co-founder of the German Mathematical Society)
Presentation Lecture
Occasion Honory meeting on the occasion of the 150th birthday of E. Papperitz
Location TU Freiberg , Freiberg, Germany
Date 19.08.2008
Title Fluid flow problems - an alternative conception
Presentation Plenary lecture
Occasion AGACE2008 (Applied Geometric Algebras in Computer Science and Engineering)
Location Hotel Kloster Nimbschen,  Grimma, Germany
Date 27.08.2008
Title Basic principles in modeling and examples -- a survey with historical comments
Presentation 2 lectures
Occasion International Course of the German Summer Academy Modelling of technical processes
Location TU Freiberg,   Freiberg, Germany
Date 17.09.2008
Title Norm estimations of the modified Teodorescu transform with application to a multidimensional equation of Airy type (with A. Schlichting)
Presentation Talk
Occasion International Conference of Numerical Analysis and Applied Mathematics (ICNAAM2009)
Location Kyriotis International Conference Center Psalidi, Psalidi, Greece (Kos)
Date 11.12.2008
Title Decomposition techniques and boundary value problems for vector fields and $Cl_n$-valued functions -- an overview
Presentation Talk
Occasion Workshop on Clifford analysis
Location Charles University Institute of Mathematics (Sokolovska ulica) , Prague, Czech Republic (Czechia)
Date 11.02.2009
Title Quaternionic methods in mathematical physics
Presentation Talk
Occasion 6th Vienna International Conference on Mathematical Modelling (MATHMOD2009)
Location Technical university of Vienna,  Vienna, Austria
Date 30.06.2009
Title Fluid flow equations with thermal effects in complex-quaternionic setting
Presentation main talk
Occasion International Conference Analytic methods of mechanics and complex analysis
Location National Academy of Science of Ukraine , Kiev, Ukraine
Date 07.07.2009
Title Operatior exponentials and harmonic extension for initial-boundary value problems
Presentation Talk
Occasion 18th International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering (IKM2009)
Location Bauhaus University of Weimar,  Weimar, Germany
Date 13.07.2009
Title Initial-boundary value problems with quaternionic analysis
Presentation Talk
Occasion 7th International ISAAC Congress
Location Department of Mathematics, Imperial College, London, England
Date 06.08.2009
Title New aspects in the application of quaternionic analysis
Presentation Plenary talk
Occasion The 17th International Conference on finite or infinite dimensional complex analysis and applications
Location University of Pedagogy ,  Ho Chi Minh City (Saigon), Vietnam
Date 22.09.2009
Title Exponentials of the Dirac operator and an application
Presentation Talk
Occasion ICNAAM2009 (International Conference of Numerical Analysis and Applied Mathematics)
Location Hotel AQUILA Rethymna Beach,   Rethymno, Greece  (Crete)                                              
Date 23.09.2009
Title Quaternionic analysis apllied to problems in elasticity
Presentation Institutional seminar
Occasion Invitation by Ioannis Stratis
Location Department of Mathematics, University of Athens,  Athens, Greece
Date 08.10.2009
Title Initial-boundary value problems and complex quaternionic analysis
Presentation Invited lecture
Occasion Workshop on Advances and Trends in Integral Equations
Location Wasserschloss Klaffenbach ,Chemnitz, Germany
Date 19.02.2010
Title Strong non-linear initial boundary value problems
Presentation Talk
Occasion Annual Workshop on hypercomplex Analysis and Applications
Location Universität Paderborn, Paderborn, Germany
Date 30.03.2010
Title A. Quaternions -- space numbers; B: Quaternionic operator calculus
Presentation Institutional Seminar (2 h)
Occasion Invitation by Professor Du
Location School of Mathematics and Statistics, University of Wuhan, Wuhan, China
Date 31.03.2010
Title A.Modified quaternionic operator calculus; B: Generalized holomorphy
Presentation Institutional Seminar (2 h)
Occasion Invitation by Professor Du
Location School of Mathematics and Statistics, University of Wuhan, Wuhan, China
Date 07.04.2010
Title A: Incompressible fluid dynamics with quaternions B: Boussinesq approximation for the Poisson-Stokes problem
Presentation Institutional Seminar (2 h)
Occasion Invitation by Professor Du
Location School of Mathematics and Statistics, University of Wuhan, Wuhan, China
Date 08.04.2010
Title A:Electromagnetic fields with quaternionic analysis; A: Flow phenomena in the earth atmosphere
Presentation Institutional Seminar (2 h)
Occasion Invitation by Professor Du
Location School of Mathematics and Statistics, University of Wuhan, Wuhan, China
Date 25.05.2010
Title Quaternionic operator methods with applications to boundary value problems
Presentation Institutional Seminar
Occasion Invitation by Professor Anderson
Location University of Brunei-Darussalam, Darussalam, Sultanate of Brunei
Date 15.07.2010
Title Non-linearities and quaternionic holomorphic functions
Presentation Invited talk
Occasion IWOTA; Session: Hypercomplex operator theory
Location TU Berlin, Berlin, Germany
Date 15.07.2010
Title Electrodynamics with quaternions
Presentation Invited talk
Occasion IWOTA; Session: Operator theoretical methods in mathematical physics -- on the traces of E.Meister
Location TU Berlin, Berlin, Germany
Date 28.07.2010
Title From Phragmen-Lindelöf type problems to basics of Clifford Analysis
Presentation Invited talk
Occasion Symposium in Complex and Hypercomplex Analysis and related topics - an attempt of a laudation for H. Malonek
Location University of Aveiro, Aveiro, Portugal
Date 19.09.2010
Title Application of quaternionic analysis for a class of non-linear boundary value problems
Presentation Talk
Occasion ICNAAM2010; /.Symposium on Clifford Analysis and Appliactions
Location  Hotel Thodos Palace, Rhodos, Greece
Date 11.10.2010
Title Quaternionic analysis and non-linear flow problems
Presentation Invited lecture
Occasion International Symposium on Complex and Hypercomplex Analysis
Location IPN, Mexico-City, Mexico
Date 04.12.2010
Title Clifford analysis -- a laudation to the 70th birthday of Richard Delanghe
Presentation Invited lecture
Occasion 1-day Symposium in honour of Richard Delanghe -- the father of Clifford analysis
Location University of Ghent, Ghent, Belgium