Department of
Mathematics and Statistics 		University of
Konstanz 		 
Research Group in Real Algebraic Geometry > Working Group on Mathematical Logic, Set Theory and Model Theory > Prof. S. Kuhlmann > Staff > Dr Lothar Sebastian Krapp

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Organisation of conferences and workshops:

September 2021: Colloquium Logicum (as local organiser, homepage), University of Konstanz.
24 January 2020: Donau–Rhein Modelltheorie und Anwendungen, 5th Meeting (as local organiser, homepage), University of Konstanz.
08–09 October 2018: Real Algebraic Geometry and Model Theory (as organiser, homepage), University of Konstanz.
12–25 August 2018: Können Computer denken? – Automatisches Beweisen und künstliche Intelligenz (as workshop organiser, homepage), German Academic Scholarship Foundation, Leysin.
12 May 2017: Donau–Rhein Modelltheorie und Anwendungen, Inaugural Meeting (as local organiser, homepage), University of Konstanz.

Conference participation:

24 January 2020: Donau–Rhein Modelltheorie und Anwendungen, University of Konstanz.
10–15 June 2019: Model Theory of Valued Fields and Applications, University of Münster.
14–17 March 2019: Doktorandenforum Kultur und Natur, German Academic Scholarship Foundation, Mannheim.
29 November – 02 December 2018: Doktorandenforum Natur, German Academic Scholarship Foundation, Nuremberg.
08–09 October 2018: Real Algebraic Geometry and Model Theory, University of Konstanz.
01–04 October 2018: Workshop on Tame Expansions of O-minimal Structures, University of Konstanz.
12–25 August 2018: Können Computer denken? – Automatisches Beweisen und künstliche Intelligenz, German Academic Scholarship Foundation, Leysin.
29 July – 11 August 2018: Begegnungen von Zahlentheorie, Funktionalanalysis und dynamischen Systemen, German Academic Scholarship Foundation, Neubeuern.
13 July 2018: Donau–Rhein Modelltheorie und Anwendungen, University of Basel.
01–31 March 2018: Model Theory Trimester, Henri Poincaré Institute, Sorbonne University, Paris.
08–12 January 2018: Research School Model Theory, Combinatorics and Valued Fields, Centre International de Rencontres Mathématiques, Marseille.
09–12 November 2017: Doktorandenforum Gesellschaft, Kultur und Natur, German Academic Scholarship Foundation, Heidelberg.
12–13 October 2017: 5. Stipendiatenkolloquim der Carl-Zeiss-Stiftung, Carl Zeiss AG, Oberkochen.
11–15 September 2017: 19th ÖMG Congress and Annual DMV Meeting, University of Salzburg.
12 May 2017: Donau–Rhein Modelltheorie und Anwendungen, University of Konstanz.
28–30 April 2017: Logik zwischen Mathematik und Philosophie, German Academic Scholarship Foundation, University of Göttingen.
20–23 March 2017: Doktorandenforum Natur und Kultur, German Academic Scholarship Foundation, Bad Homburg.
18–23 December 2016: Mini-Workshop: Surreal Numbers, Surreal Analysis, Hahn Fields and Derivations, Mathematical Research Institute of Oberwolfach.
23–24 November 2016: 4. Stipendiatenkolloquim der Carl-Zeiss-Stiftung, Schott AG, Mainz.
18–23 July 2016: Summer School in Tame Geometry, University of Konstanz.
05–06 July 2016: SEEMOD meeting, University of Oxford.
18–29 April 2016: Model Theory Month in Münster, University of Münster.
07–11 March 2016: Joint DMV and GAMM Annual Meeting 2016, Technical University of Braunschweig.

Talks at mathematical conferences:

27 September 2022: O-minimal Exponential Fields and Peano Arithmetic (abstract, slides), Colloquium Logicum 2022, PhD Colloquium, DVMLG, University of Konstanz.
10 June 2022: Generalised power series determined by linear recurrence relations (abstract, slides), Workshop on Tame Geometry: Interactions Between O-minimal, Complex Analytic and Nonarchimedean Methods, The Fields Institute, University of Toronto.
27 September 2021: Definable henselian valuations by conditions on the value group (online, abstract, slides), DMV-ÖMG Annual Conference 2021, University of Passau.
24 January 2020: Definable Valuations in Ordered Fields (abstract), Donau–Rhein Modelltheorie und Anwendungen, University of Konstanz.
11 September 2017: Properties of O-minimal Exponential Fields (abstract [pp. 75 f.], slides), 19th ÖMG Congress and Annual DMV Meeting, University of Salzburg.
22 December 2016: O-minimal Exponential Fields and Their Residue Fields (abstract), Mini-Workshop: Surreal Numbers, Surreal Analysis, Hahn Fields and Derivations; Mathematical Research Institute of Oberwolfach.

Seminar talks:

07 February 2022: Topological Properties of Ordered Abelian Groups and Definable Henselian Valuation (abstract, slides), Oberseminar Complexity Theory, Model Theory, Set Theory; University of Konstanz.
02 March 2021: Neural Networks, NIP and Definable Valuations (online, abstract, slides), Purdue University Model Theory and Applications Seminar.
17 March 2020: Real Exponentiation and Exponential Integer Parts (abstract), Seminar on Pure Mathematics, University of Passau.
05 December 2019: Valuations Definable in the Language of Ordered Rings (abstract), Oberseminar Modelltheorie, Geometrie und Gruppentheorie; University of Münster.
02 May 2019: Algebraic and Model Theoretic Properties of O-minimal Exponential Fields (abstract, slides), Vortrag über wesentliche Ergebnisse, University of Konstanz.
26 November 2018: Ordered fields dense in their real closure (abstract), Research Seminar Mathematical Logic, Set theory and Model theory; University of Konstanz.
26 October 2018: Schanuel's Conjecture and Roots of Exponential Polynomials (abstract), Department of Mathematics and Statistics, University of Tromsø – The Arctic University of Norway.
04 June 2018: Real Exponentiation and Exponential Groups (abstract), Seminar on Pure Mathematics, University of Passau.
15 May 2018: NIP, o-Minimality and Neural Networks (abstract, slides), Research Seminar Mathematical Logic, Set theory and Model theory; University of Konstanz.
02 February 2018: O-minimal Exponential Fields and Real Exponentiation (abstract), Department of Mathematics and Computer Science, Chulalongkorn University, Bangkok.
06 July 2017: Tarski's Exponential Function Problem (abstract, slides), Logic Colloquium, University of Konstanz.
05 April 2017: A Logical Analysis of Exponentiation (abstract), Special Talk, Department of Mathematics, Ateneo de Manila University.
17 January 2017: Non-archimedean Exponential Fields (abstract), Basic Notions Seminar, University of Bonn.
20 June 2016: On the Decidability of the Real Exponential Field (abstract), Research Seminar Model Theory, University of Konstanz.
23 November 2015: Ritt's Factorisation Theorem (abstract), Research Seminar Model Theory, University of Konstanz.
10 December 2014: Schanuel's Conjecture and Exponential Fields (abstract), Oberseminar Mathematische Logik, University of Freiburg.

Talks at interdisciplinary conferences:

27 November 2019: Algorithmen und künstliche Intelligenz (slides), 8th edition of ELSA Day, The European Law Students' Association, University of Konstanz.
30 November 2018: Können Computer denken? – ein Erfahrungsbericht aus Leysin, Doktorandenforum Natur, German Academic Scholarship Foundation, Nuremberg.
23 August 2018: Können Computer denken? (with S. Koch and J. Roos, abstract), Sommerakademie Leysin, German Academic Scholarship Foundation.
10 November 2017: Von Tarski, exp und den reellen Zahlen (slides), Doktorandenforum Gesellschaft, Kultur und Natur; German Academic Scholarship Foundation, Heidelberg.
28 April 2017: Konstruktive und nicht-konstruktive Beweise (slides), Logik zwischen Mathematik und Philosophie, German Academic Scholarship Foundation, University of Göttingen.
23 March 2017: Das Entscheidbarkeitsproblem des reellen Exponentialkörpers (slides), Doktorandenforum Natur und Kultur, German Academic Scholarship Foundation, Bad Homburg.

Poster presentations:

11 June 2019: Ordered fields dense in their real closure and definable convex valuations (poster), Model Theory of Valued Fields and Applications, University of Münster.
29 March 2018: Value Groups and Residue Fields of Models of Real Exponentiation (poster), Workshop: Model Theory and Applications, Henri Poincaré Institute, Sorbonne University, Paris.
06 March 2018: Algebraic and Model Theoretic Properties of O-minimal Exponential Fields (poster), Workshop: Model Theory of Valued Fields, Henri Poincaré Institute, Sorbonne University, Paris.
08 January 2018: Algebraic and Model Theoretic Properties of O-minimal Exponential Fields (poster), Research School Model Theory, Combinatorics and Valued Fields; Centre International de Rencontres Mathématiques, Marseille.
12 October 2017: Ein Entscheidungsalgorithmus für (ℝ,ex) (poster), 5. Stipendiatenkolloquim der Carl-Zeiss-Stiftung, Carl Zeiss AG, Oberkochen.
23 November 2016: Algebraic and Model Theoretic Properties of O-minimal Exponential Fields (poster), 4. Stipendiatenkolloquim der Carl-Zeiss-Stiftung, SCHOTT AG, Mainz.

Outreach:

19 October 2020: Projektvorstellung: Mathematische Grenzen neuronaler Netze (in German, Video), Science Prize of Werner und Erika Messmer-Stiftung 2020, Dies Academicus, University of Konstanz.
27 November 2019: Algorithmen und künstliche Intelligenz (slides), 8th edition of ELSA Day, The European Law Students' Association, University of Konstanz.
23 August 2018: Können Computer denken? (fishbowl discussion with S. Koch and J. Roos, abstract), Sommerakademie Leysin, German Academic Scholarship Foundation, Leysin.
Rechner ohne Rechenkunst?, Article in uni'kon Heft 70, p. 42–44.


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