Marko Roczen
Humboldt-Universität zu Berlin, Institut für Mathematik

 

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Research: Talks / Presentations

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[2017-06-26] Some Semi-Quasihomogeneous Singularities with given Saito-Invariant
COMMUTATIVE ALGEBRA meeting ALGEBRAIC GEOMETRY, A conference in honor of Dorin Popescu's 70th birthday, June 24 - 26, 2017
University of Bucharest
[2015-02-05] Philosophy around Artin Approximation, some historical remarks
Conference: Applications of Artin Approximation in Singularity Theory, February 2 - 6, 2015
CIRM, Centre international de rencontres mathématiques, Marseille-Luminy
[2012-11-06] Semi-Quasihomogeneous Singularities with given Saito-Invariant in [1,4/3]
Workshop on Free Divisors and Differential Equations
Tokyo University of Agriculture and Technology, November 5-10, 2012
[2010-08-22] Online Presentation of Linear Algebra
Poster, International Congress of Mathematicians
(Section 19: Mathematics Education and Popularization of Mathematics)
Hyderabad, August 19-27, 2010
[2009-06-02] Motivic invariants of isolated singularities
? Affine Algebraic Geometry, Conference in honour of Peter Russell
Montreal, June 1 - 5, 2009
[2008-09-22] The New Characterization of Simple Singularities by Christensen, Piepmeyer, Striuli, Takahashi
Workshop Geometry and Analysis on Complex Algebraic Varieties (6-th Session of the Joint Russia-Japan Symposium)
Moscow, September 22, 2008
[2007-11-21] Examples for stringy invariants of 3-fold isolated singularities
Conference Geometry and Analysis on Complex Algebraic Varieties
Tokyo University of Agriculture and Technology, November 21, 2007
[2007-10-12] Das Singular unterstützte Lehrmaterial "Lineare Algebra induviduell" - erste Erfahrungen
? Zehnter Mitteldeutscher Computer-Algebra-Tag,
Brandenburgische Technische Universität Cottbus, 12.10.2007
[2007-10-04] String-Theoretic Invariants of Isolated Singularities,
Institute of Mathematics "Simion Stoilow" of the Romanian Academy, Bucharest, October 24, 2007
[2007-10-02] Motivic Integration - an Introduction,
University of Bucharest, October 2, 2007
[2007-09-29] Linear Algebra Individually,
Romanian Mathematical Society, Conference at Poiana Negri, September 30, 2007
[2007-08-20] String-Theoretic Invariants of Isolated Singularities,
Siberian Federal University, Krasnoyarsk, August 20, 2007
[2007-03-31] From approximation of solutions of polynomials to stringy invariants,
Conference Commutative Algebra and Related Topics, Ovidius University Constanta, March 29 - 31, 2007
[2007-03-07] Some stringy invariants of ADE-singularities
3rd International Conference on 21st Century Mathematics, Lahore, March 4-7, 2007
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[2006-08-29] Linear Algebra on Demand (Poster)
International Congress of Mathematicians, Madrid 2006
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[2006-07-13] Triangulated categories of ADE-matrix-factorizations by Kajiura - Saito - Takahashi
Algebraic Geometry, Bedlewo, July 8th - 15th, 2006
[2005-09-23] Computeralgebra - Mathematik ohne Mathematiker?
Für Schüler der gymnasialen Oberstufe;
Tage der Forschung, Berlin Adlershof, 23.9.2005
[2003-06-11] Singular-Leitfaden - Using the Power of Singular to Generate Online-Textbooks (Software Presentation)
MEGA 2003, University of Kaiserslautern
     PS      PDF
[2002-09-17] Stringtheoretische Eulerzahlen der  3-dimensionalen ADE-Singularitäten
DMV-Jahrestagung, Halle 2002
     PS      PDF
[2002-04-05] Singular on a Web-Server
Conference on Applications of Commutative Algebra, University of Catania 2002
     PS      PDF
[2001-09-06] On the String-Theoretic Euler Numbers of  3-dimensional Simple Singularities
EUROMATH Workshop, Institute of Mathematics "Simon Stoilov", Bucharest 2001
     PS      PDF
[2000-03-28] Triangle Singularities in Positive Characteristics
University of Bucharest, Seminar on Commutative Algebra
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[1999-09-17] Gröbner Bases and Resultants
Autumn School on Commutative Algebra and Combinatorics, Universitiy of Constanta, Eforie 1999
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[1998-09-16] First Steps with Gröbner Bases
School on Commutative Algebra and Combinatorics, Universities of Constanta and Bucharest, Eforie 1998
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[1997-11-07] 1-Semi-Quasihomogeneous Singularities of Hypersurfaces in Positive Characteristic
Midwest Algebraic Geometry Conference, University of Notre Dame 1997
[1997-10-29] 1-Semi-Quasihomogeneous Singularities of Hypersurfaces in Positive Characteristic
Dept. of Mathematics and Statistics, McGill University, Montreal
[1996-09-06] 1-Semi-Quasihomogeneous Singularities of Hypersurfaces in Char. 2 (Poster)
Trends in Algebraic Geometry, Applications and Relations with Physics, Levico, Sept. 6 - 13, CIRM Povo (Trento) 1996
[1996-04-12] Semi-Quasihomogeneous Singularities of Hypersurfaces with Small Saito-Invariant in positive Characteristic
Conference "Birational Geometry", in Memory of Wei-Liang Chow, Johns Hopkins University, Baltimore MD 1996
[1995-10-03] Simple and Simple-Elliptic Singularities over a Field of Positive Characteristic
Conference "Representations Theory of Groups, Orders and Algebras", University of Constanta 1995
[1994-10-11] Algebraische Stacks
Forschungsseminar Algebraische Geometrie
Institut für Mathematik, Humboldt-Universität zu Berlin
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[1994-09-20] Ein Beispiel zur Äquivalenz von Singularitäten in der Charakteristik p
DMV-Jahrestagung, Duisburg 1994
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[1993-09-28] On the classification of Almost Absolutely Isolated Singularities of Hypersurfaces
Workshop on Algebra, University of Bucharest 1993
[1991-11-27] Die 2. Brauer-Thrall-Vermutung für isolierte Singularitäten exzellenter Hyperflächen
Oberseminar Herrmann/Lamotke, Universität Köln
[1991-11-22] Eine Erkennungsmethode für einfache Singularitäten in der Charakterstik p
Oberseminar Brieskorn, Universität Bonn
[1991-09-17] Die 2. Brauer-Thrall-Vermutung für isolierte Hyperflächensingularitäten
DMV-Jahrestagung 1991, Universität Bielefeld
[1991-02-05] Absolut isolierte Doppelpunkte
Oberseminar Algebra, Geometrie und Zahlentheorie, Universität Essen
[1991-02-04] Eine Charakterisierung der einfachen Singularitäten über algebraisch abgeschlossenen Körpern
Oberseminar Komplexe Analysis und Singularitäten, Universität Kaiserslautern
[1990-09-17] Absolut isolierte Doppelpunkte über einem algebraisch abgeschlossenen Körper
DMV-Jahrestagung 1990, Universität Bremen

Selected Talks before 1990


[1989-07-07] The Second Brauer-Thrall Conjecture for Some Classes of Isolated Singularities (joint work with D. Popescu)
Conference on Commutative Algebra, Bucharest 1989
[1988-11-29] Auslander-Reiten Quivers of Normal Gorenstein Surface Singularities
University of Warsaw
[1988-11-22] Simple Singularities in Dimension 3 and Their Divisor Class Groups
University of Warsaw
[1986-06-27] The Formal Principle in the Relative Case and Algebraization of Deformations of Couples
Conference on Algebraic Geometry, Bucharest
[1984-12-12] Studium von Singularitäten durch die exzeptionelle Einbettung ihrer Auflösung ...
HFR-Tagung 1984, Bollersdorf b. Berlin
[1983-12-13] Deformations of Some Configurations of Surfaces in a 3-Fold and Open Questions
University of Warsaw
[1982-11-19] Some Examples of Equisingular 3-dimensional Families
Conference on Algebraic Geometry, Eisenach 1982



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last modified: 2017-07-01