Vorträge

86. Oberwolfach Workshop: Polynomial Optimization for Nonlinear Dynamics: Theory, Algorithms, and Applications
Mathematisches Forschungsinstitut Oberwolfach
Oberwolfach, 28. Juli - 2. August 2024
85.

Séminaire de Théorie des Nombres de Nancy-Metz
Institut Élie Cartan, Nancy, 30. Mai 2024

84. Séminaire Général de Logique
Institut de Mathématiques de Jussieu-Paris Rive Gauche, Paris, 27. Mai 2024
83. The Exponential Logarithmic Power Series Fields
Séminaire de Mathématiques et Colloquium
Université Haute-Alsace, Mulhouse, 21. März 2024
82.

The valuation difference rank of a quasi-ordered difference field
- We thank Franziska Jahnke for taking these notes during the talk -
Young Women in Model Theory and Applications

Hausdorff Center for Mathematics
Bonn, 11. - 14. März 2024

81.

Positive Polynomials and Moment Problems
Frankfurter Seminar - Kolloquium des Instituts für Mathematik
Goethe -Universität Frankfurt, 12. Dezember 2023

80. Polynomial Optimization
POP23 - Future Trends in Polynomial OPtimization
Toulouse, 13. - 17. November 2023
79.

Online Logic Seminar
Southern Illinois University, 26. Oktober 2023

78. Moment Problems and Applications
IWOTA 2023 - 34th International Workshop on Operator Theory and its Applications
Helsinki, 31. Juli - 04. August 2023
77. Moment problem for algebras generated by a nuclear space
Banff International Research Station (BIRS) for Mathematical Innovation and Discovery,
Banff, 23. Mai 2023
76. Generalised power series determined by linear recurrence relations
Séminaire Structures algébriques ordonnées,
Institute de Mathématique de Jussieu-Paris-Rive-Gauche,
Paris, 28. März 2023
 
75. A Tale of Two Cones: PSD vs SOS in equivariant situations
Invited Session “Moment Problems, Convex Algebraic Geometry, and Semidefinite
Relaxations"
MTNS 2022 - 25th International Symposium on Mathematical Theory of Networks and Systems
Bayreuth, Germany, 15. September 2022
 
74.

Truncated and Full Moment Problems and Applications
IWOTA 2022 - International Workshop on Operator Theory and its Applications
Krakow, Poland, 09. September 2022

73. The generalised truncated Moment Problem
POEMA (Polynomial Optimization, Efficiency through Moments and Algebra) Final Workshop
Paris, 05. September 2022
72. Trends in ring theory and related topics
European Women in Mathematics General Meeting
Aalto University, Finnland, August 2022
71. Distinguished Subfields of Hahn Fields

Séminaire Structures algébriques ordonnées, Institute de
Mathématique de Jussieu-Paris-Rive-Gauche, 22. März 2022

70. The Analogues of Hilbert's 1888 Theorem for Symmetric and Even Symmetric Forms
Newcastle Functional Analysis Seminar, 23. November 2021
69.

On Rayner Structures
Séminaire structures algébriques ordonnées, Institut de
Mathématique de Jussieu-Paris-Rive-Gauche, 23. März 2021
www.logique.jussieu.fr/semsao/index.html

68.

Strongly NIP almost real closed fields
Models and Sets Seminar Series, University of Leeds,
13. Januar 2021

67.

On ordered fields dense in their real closure and definable valuations
Valuation Theory Seminar in MSRI Semester "Decidability, Definability and Computability in Number Theory",
9. Dezember 2020
https://www.msri.org/web/msri/scientific/colloquia-seminars/fall-2020-seminars/ddc-2020-valuation-theory

66.

The Moment Problem for the Polynomial Algebra in infinitely many variables
Invited Lecture at the POEMA Workshop, 26. November 2020
http://poema-network.eu/index.php/news-and-events/project-workshops/6-poema-learning-week-and-2nd-workshop

65.

Projective limit techniques for Positivstellensätze
Séminaire de structures algébriques ordonnées
Institut de Mathématiques de Jussieu-Paris Rive Gauche, 18. Februar 2020
http://www.logique.jussieu.fr/semsao/index.html

64.

From finite to infinite dimensional moment problems
Department of Mathematics, Ben Gurion University of Negev, 7. Januar 2020

63.

Fields of Generalized Power Series (the mysteries and obstacles around formal summability)
Workshop: "Noncommutative Analysis, Computational Complexity, and Quantum Information"
Harvard University, Center of Mathematical Sciences and Applications, 18. Oktober 2019

 62.  

Ask Bruce for a Form a Day keeps the Doctor Away or Analogues of Hilbert's 1888 for Symmetric (LAA 2016) and Even Symmetric Forms (JPAA 2017)
Bruce Reznick 66 fest: A mensch of Combinatorial-Algebraic Mathematics
Universität Bern, 8. Juli 2019

 61.  

Geometry of Real Polynomials, Convexity and Optimization (19w5180)
Banff International Research Station for Mathematical Innovation and Discovery, Banff, Kanada, 26. Mai - 31. Mai 2019

 60.  

Automorphism groups of fields of generalised series
Edinburgh Mathematical Society meeting
University of Aberdeen, 24. Mai 2019

 59.  

Ordered fields dense in their real closure and definable convex valuations
Séminaire de structures algébriques ordonnées
Institut de Mathématiques de Jussieu-Paris Rive Gauche, 14. Mai 2019

 58.  

Automorphism groups of Hahn groups and fields
Workshop "Dynamical systems and beyond 2019"
Department of Mathematics, University of Pisa, Italien, 25. März 2019

 57.  

Strongly NIP almost real closed fields
Séminaire théorie des modèles et groupes, Université Paris Diderot, Frankreich, 12. März 2019

 56.  

On ordered fields dense in their real closure
Ben-Gurion University of the Negev, Israel, 17. Februar 2019

 55.  

On ordered fields dense in their real closure and definable convex valuations
British postgraduate model theory conference
University of Manchester, 16. Januar 2019

 54.  

Real closed fields and Peano arithmetic
Institut de Mathématiques de Toulouse,Frankreich, 7. Oktober 2018

 53.  

Positive polynomials and moment problems
Multidisciplinary Optimization Seminar in Toulouse, Frankreich, 1. Oktober 2018

 52.  

Positive polynomials and moments problem
Institut de Mathématiques de Bordeaux IMB, 28. September 2018

 51.  

The moment problem for infinite dimensional spaces
Mini-Symposium in Real Algebraic Geometry in Action
18th General Meeting of the European Women in Mathematics, Universität Graz, 7. September 2018
Geändertes Programm - siehe Seite 15

 50.  

From Gödel's Incompleteness Theorem to Real Algebra
Mini-Symposium in Mathematical Logic
18th General Meeting of the European Women in Mathematics, Universität Graz, 3. September 2018

 49.  

The Moment problem for infinite dimensional spaces
International Workshop on Operator Theory and Applications
East China Normal University, Shanghai 23.-27. Juli 2018

 48.  

The Moment problem for the real polynomial algebra in infinitely many variables
The 23rd International Symposium on Mathematical Theory of Networks and Systems
The Hong Kong University of Science and Technology, Hong Kong 16-20. Juli 2018

 47.  

From Hilbert's 17th Problem to Infinite Dimensional Moment Problems
Meeting of North British Functional Analysis Seminar (NBFAS)
University of Newcastle-upon-Tyne, 29. Mai 2018

 46.  

Real closed fields and models of Peano arithmetic
Seminarios de Álgebra Conmutativa-Geometría Algebraica y Aritmética UAM-ICMAT
Instituto de Ciencias Matemáticas, Madrid, Spanien, 18. Mai 2018

 45.  

Automorphism groups of lexicographically ordered chains, Hahn groups and fields
Research workshop of the Israel Science Foundation
Ben-Gurion University of the Negev, Israel, 23. April 2018

 44.  

Differential valued fields of kappa-bounded generalized power series
Institut Henri Poincaré
Paris, Frankreich, 28. Februar 2018

 43.  

Groupes abéliens divisibles ordonnés ayant la propriété de relèvement
Institut des Mathématiques de Jussieu-Paris Rive Gauche
Frankreich, 10. Oktober 2017

 42.  

k-bounded exponential groups and exponential-logarithmic power series fields without log-atomic elements
XXVI incontro dell'Associazione Italiana di Logica e sue Applicazioni
Padova, Italien, 27. September 2017

 41.  

Kappa-bounded exponential groups and exponential-logarithmic power series fields without log-atomic elements
Institut des Mathématiques de Jussieu-Paris Rive Gauche
Frankreich, 14. März 2017

 40.  

The Baer-Krull Theorem for Quasi-ordered fields
Seminar in Logic, Set Theory and Topology
Ben Gurion University, Israel, 3. Januar 2017

 39.  

Moment problem for symmetric algebras of locally convex spaces
22nd International Symposium on Mathematical Theory of Networks and Systems
University of Minnesota, Minneapolis, USA, 14. Juli 2016

 39.  

Quasi-Orders: a uniform approach to orders and valuations
DMV-GAMM Tagung 2016
Braunschweig, 9. März 2016

 38.  

Real Closed Fields and Models of Peano Arithmetic
Logic Seminar at Mathematical Institute
University of Oxford, 3. März 2016

 37.  

New Pathways between Group Theory and Model Theory
A conference in memory of Rüdiger Göbel (1940 - 2014)
Mülheim an der Ruhr, 2. Februar 2016

 36.  

Exponential-logarithmic power series fields and the surreal numbers
AMS.MAA Joint Mathematics Meetings
Seattle, USA, 8. Januar 2016

 35.  

Quasi-order-minimality: a uniform approach to o-minimality, C-minimality, p-minimality and variants thereof
Seminar in Logic, Set Theory and Topology
Ben Gurion University, Israel, 29. Dezember 2015

 34.  

Real Closed Fields and Models of Peano Arithmetic
Conference: Ordered Algebraic Structures and Related Topics
Centre International de Rencontres Mathématiques, Marseille, 13. Oktober 2015

 33.  

Quasi-Orderings: a uniform approach to orderings and valuations
First Joint International Meeting of the Israel Mathematical Union and the Mexican Mathematical Society
Algebraic Geometry Session - Instituto Tecnologico de Oaxaca, Oaxaca, Mexico, 07.-11. September 2015

 32.  

Power series expansions for germs in Hardy fields of o-minimal expansions of real closed fields
Workshop: O-Minimality and Applications
University of Konstanz, 23. Juli 2015

 31.  

Moment problem in infinitely many variables
IWOTA 2015 - International Workshop on Operator Theory and Applications, Tbilisi, Georgia, 06.-10. Juli 2015

 30.  

Application of the Archimedean Positivstellensatz to locally multiplicatively convex real algebras
EWM German Chapter, Schloss Rauischholzhausen, 30.04. - 02.05.2015

 29.  

On the value group of a model of Peano arithmetic
BGU Logic and Set Theoretic Topology Seminar, Ben Gurion University, Israel, 31. Dezember 2014

 28.  

Extension of Hilbert's 1888 theorem to Even Symmetric Forms
Math & Stats Colloquium, University of Saskatchewan, Kanada, 12. September 2014

 27.  

Test Sets for Positivity of Invariant Forms and Applications to Sums of Squares Representations
IWOTA 2014, University of Amsterdam, The Netherlands, 15. Juli 2014

 26.  

Application of the Archimedean Positivstellensatz to locally multiplicatively convex real algebras
Symposium on Mathematical Theory of Networks and Systems
Groningen, The Netherlands, 10. Juli 2014

 25.  

The multidimensional moment problem
Polyhedra, Lattices, Algebra, and Moments (Conference/Workshop/Tutorials),
Institute of Mathematical Science, National University of Singapore, 13. Januar 2014

 24.  

Application of Jacobi's Representation Theorem to localy multiplicatively convex topological real algebras
IWOTA 2013, Indian Institute of Science, Bangalore, India, 19. Dezember 2013

 23.  

Real closed fields and models of Peano arithmetic
Séminaire général de logique, Université de Paris 7, UFR de Mathematiques, 25. November 2013

 22.  

The difference rank of a valued difference field
Model Theory of Fields, University Mons, 18. November 2013

 21.  

Real closed fields and models of Peano arithmetic
Midwest Model Theory Day, University of Illinois at Chicago, 22. Oktober 2013

 20.  

The valuation difference Rank of an ordered field
Algebra and Logic Seminar, Department of Mathematics and Statistics, University of Saskatchewan, 9. Oktober 2013

 19.  

Fields of generalized power series
Colloquium, Department of Mathematics and Statistics, University of Saskatchewan, 4. Oktober 2013

 18.  

The valuation difference rank of a difference field
Logic Seminar - HUJ, 2. Januar 2013

 17.  

Fields for generalized power series
Colloquium Logicum 2012, 13.-15. September 2012, Paderborn

 16.  

Positivity, sums of squares and the moment problem
Special Session on "Operator theory, function theory, and linear systems"
IWOTA 2012, 16.-20. Juli 2012 Sydney, Austeralien

 15.  

The Moment Problem for Continuous Linear Functionals

 14.  

Convex valuations on ordered fields, with particular emphasis on fields of generalised power series

 13.  

The General Moment Problem

 12.  

Closures of quadratic modules in locally convex topologies

 11.  

Valued Differential Fields

 10.  

Exponential Logarithmic Series Fields

 9.  

An uncountable family of logarithmic functions of distinct growth rates

 8.  

Positivity in power series rings

 7.  

Positive Polynomials on Projective Limits of Algebraic Varieties

 6.  

Differential Fields of $\kappa$-bounded Series
DVI-Datei    Postscript-Datei

 5.  

Approximation of Positive Polynomials by Sums of Squares
DVI-Datei    Postscript-Datei

 4.  

Positive Polynomials and Invariant Theory
DVI-Datei    Postscript-Datei

 3.  

The Invariant Moment Problem
DVI-Datei    Postscript-Datei

 2.  

Lexicographische Exponentiation angeordneter Mengen
Deutsche Version
DVI-Datei    Postscript-Datei

 1.  

Lexicographic Exponentiation of chains
Englische Version
DVI-Datei    Postscript-Datei

 Stand: 15. April 2024