Curriculum Vitae (until July 1st 2009)

EDUCATION

• Mathematische Fakultät, Universität Heidelberg, Germany
  Habilitation and Venia Legendi (June 1999)
  Habilitation Thesis: Ordered Exponential Fields
  Habilitation talk: On Shelling E8-Quasicrystals (after Moody and Weiss), followed by a
  Colloquium talk: Quasicrystals and Icosians (after Moody and Patera).
• Universite Paris 7, France
  Doctorat de Mathematiques (July 1991)
  Thesis: Quelques Proprietes des Espaces Vectoriels Values en Theorie des Modeles
  Advisor: Daniel Lascar
  Diplome d'Etudes Approfondies en Mathematiques (June 1984)
  Advisor: Daniel Lascar
• McGill University, Montreal, Canada
  Bachelor of Sciences: First Class Honours in Mathematics (June 1981).

• NSERC individual research grant 2005--2010 (18,000/year)
• NSERC individual research grant 2001--2005 (17,000/year)
• NSERC individual research grant 1998--2001 (16,000/year)
• President's NSERC fund from the University of Saskatchewan (awarded fall 1997)
• Habilitation grant from the German Research Association (1995-97)
• Post Doctoral Fellowship from the University of Heidelberg (1992-94)
• Ph.D. Fellowship from the French Government (1984-87)
• Graduate Grant from Logic Research Fund of Professor Makkai, McGill University,
  and Scholarship from Government of Quebec (1981-82)
• Undergraduate Research Award from the Research Council for Natural Sciences and Engineering
  of Canada (1980)
• Prize: "Morris W. Wilson Memorial Scholarship", McGill University (1979)
• Award: ``University Scholar'' award by McGill University Scholarships Committee,
  given to recognize outstanding academic achievements (1979).

• W3 Professur (Lehrstuhl Algebra), Universitaet Konstanz, Germany. Appointed July 1st 2009.
• Professor (with tenure), University of Saskatchewan (2003-2009)
• Associate Professor University of Saskatchewan (appointed July 1997)
• Visiting Member at the Fields Institute, Toronto (academic year 1996-97)
• Habilitation Fellow of the German Research Association (1995-97)
• Visiting Professor at the Punjab University, Chandigarh, India (1995)
• Research Fellow of the University of Heidelberg (1992-94)
• Graduate Assistant, Mathematics Institute, University of Heidelberg (1988-89)
• Doctoral Fellow of the French Government, University of Paris 7 (1984-87).

1. Linear Algebra Math 266 (for honours students) (3 cu)
2. Linear Algebra Math 264 (3 cu)
3. Algebra Math 360 (for honours students, 6 cu): group theory, ring theory, field theory
4. Algebra Math 862 (for graduate students, 3 cu): Galois Theory
5. Number Theory Math 364 (3 cu)
6. Linear Algebra and Geometry Math 358 (6 cu)
7. Real Analysis Math 371 (for honours students, 3 cu)
8. Topics in Algebra Math 872 (graduate students and faculty, 6cu) : On Ordered Exponential Fields.
9. Abstract Algebra Math 363 (3 cu)
10. Calculus Math 101 (3cu)
11. Topics in Algebra Math 872 (graduate students and faculty, 3cu) : Ordered Structures.
12. Calculus for Pharmacy Math 115 (3cu)
13. Calculus Math 116 Integration Theory (3cu)

POST-DOCTORAL FELLOWS

• Katarzyna Osiak visiting post-doctoral fellow August - October 2008.
• Mickael Matusinski visiting post-doctoral fellow March - September 2008.
• Tim Netzer visiting post-doctoral fellow May - September 2007.
• Andreas Fischer visiting post-doctoral fellow April 2006 - April 2007.
• Antongiulio Fornasiero visiting post-doctoral fellow January-March 2005.
• Ulrich Hermisson visiting post-doctoral fellow October 2004 to March 2005.
• Jaka Cimpric NATO post-doctoral fellow, co-supervised with M. Marshall (2001--2003).
• Mikhail Kotchetov Post-Doctoral Fellow, co-supervised with M. Marshall and K. Taylor (2002--2003).
• Roland Auer, Post-Doctoral Fellow, co-supervised with F.-V. Kuhlmann and M. Marshall (2002--2003)
• Matthias Aschenbrenner visiting post-doctoral fellow March 2001.
• Marcus Tressl visiting post-doctoral fellow March-May 2002.

• Mehdi Ghasemi expected student, Pd.D. University Scholarship, will supervise 2008-
• Manuela Haias M.Sc. Thesis, Saskatoon (August 2007); On the value groups of exponential and differential ordered fields , co-supervised.
• Wei Fan M.Sc. Thesis, Saskatoon (December 2006); On the moment problem for semialgebraic subsets of the real line , co-supervised.
• Trevor Green M.Sc. Thesis, Saskatoon (August 2002); Properties of Chain Products and Ehrenfeucht-Fraissé Games on Chains, supervised.
• Hyunku Chun, M.Sc. Thesis, Saskatoon (February 2001); The orthogonal group of an elliptic space, co-supervised.
• Mahdi Zekavat Ph.D. Thesis, Saskatoon (March 2000): Orderings, cuts and formal power series, co-supervised.

• Michael Hancock on Algorithms in Invariant Theory, supervise (Summer 2005).
• Jonathan Lee on Defining right exponentiation on Algebraic Puiseux Series Fields , supervised (Summer 2003).
• Brian Danchilla on Current Status of some famous open conjectures in Number Theory supervised (Summer 2003).
• Jonathan Lee, University of Waterloo , on The DLP for Elliptic Curves over Finite fields, supervised (Summer 2002)
• Chira Chilliack The Orthogonal Group of Euclidean Space co-supervised (Summer 2000).
• Amy Mader on Sturm's Algorithm (Computer Program), co-supervised (Summer 1999).
• Chris Arbuthnott on A proof of Rosenlicht's Lemma co-supervised (Summer 1999).

Algebra, mathematical logic, and analysis. I am working in: field theory (ordered fields, valued fields, exponential fields, Hardy fields), model theoretic algebra (o-minimal structures, exponential-logarithmic power series, transexponential functions), ordered algebraic structures (lexicographic orderings, ordered vector spaces), models of open induction (primes and irreducibles in exponential integer parts), real algebraic geometry (Positivstellensätze, Moment Problems).
Further interest in: differential fields, models of arithmetic, geometric model theory.

COMMITTEE WORK

• Grant Selection Committee #336 (Pure Mathematics) Natural Sciences and Engineering Research Council of Canada, member 2005-2008.
• Association for Symbolic Logic Annual Meeting (Montreal May 17-21 2006) Member of Program Committee.
• Real Algebraic and Analytic Geometry European Network, Local Coordinator for the Canadian Team application.
• University Math Help Centre , Director 2002-2003. Author of the proposal (1998) for establishing this University Math Help Centre for U of S undergraduates. The proposal was successful and the center continues to be funded by the U of S student enhancement.
• Colloquium Chair 1997-2003 . Founder of the Colloquium Fund which supports colloquium series.
• College of Arts and Science Equity Committee member 2000-2003.
• University of Saskatchewan Faculty Association member of Committee on Women issues 2002-2003.
• University of Saskatchewan Council Faculty Representative of the College of Graduate Studies and Research 2002-2003.
• College of Reviewers for the Canada Research Chairs Program member, 2002-2003.

• International Conference and Workshop on Valuation Theory (1999). Organized with F.-V. Kuhlmann, Marshall. Sponsors: Fields, CRM and PIMS, U of S. With the Conference and Valuation Theory Home Pages that we created on that occasion, it has put Saskatoon on the map as the center for Valuation Theory.
• First Annual Colloquiumfest (March 2000). Organized with F.-V. Kuhlmann. Speakers: Pfister, Schmüdgen, Bröcker, Dickmann, Lichtman, Powers.
• Second Annual Colloquiumfest in Real Algebraic Geometry and Model Theory (March 2001). Organized with F.-V. Kuhlmann and M. Marshall. Speakers: Aschenbrenner, Bonnard, Cluckers, Dickmann, Powers, Prestel, Scheiderer, Schweighofer.
• CMS Summer Meeting 2001 Organized with B. Hart and F.-V. Kuhlmann Session on Model Theoretic Algebra, with one plenary speaker (Zoe Chatzidakis).
• Third Annual Colloquiumfest in Algebraic Geometry, Real Algebraic Geometry and Computational Algebra (March 2002). Organized with F.-V. Kuhlmann and M. Marshall. Invited speakers: V. Astier (Paris), R. Auer (Groningen-Saskatoon), T. Craven (Hawaii), D. Cutkosky (Missouri), H. Knaf (Karlsruhe), E. Mosteig (Tulane), P. Parillo (Cal. Tech. / ETH Zürich), T. Smith (Cincinatti), B. Sturmfels (Berkeley), M. Tressl (Regensburg).
• The Fourth Annual Colloquiumfest in Model Theory and Ordered Algebraic Structures (March 2003). Organized with F.-V. Kuhlmann. Invited speakers: Lou van den Dries (Univ. of Illinois, Urbana, USA), Philip Ehrlich (Ohio University, USA), Tobias Kaiser (Univ. of Illinois, Urbana, USA), Klaus Keimel (TU Darmstadt, Germany), Margarita Otero (Univ. Autonoma Madrid, Spain), Thomas Rohwer (Univ. of Illinois, Urbana, USA) ,Thomas Scanlon (Berkeley, USA), Patrick Simonetta (Paris 7, France) , Patrick Speissegger (Wisconcin, Madison USA), Charles Steinhorn (Vassar College, USA).
• The Sixth Annual Colloquiumfest on Positivity, the Multi-Dimensional Moment Problem and Noncommutative Real Geometry. (April 2005).
• Saskatchewan Algebra and Number Theory Mini-meeting (September 2002). Organized with Dr. A. Herman.
• Saskatchewan Mathematics Mini-meeting (January 2003).
• Mini-Conference Topics in Real Algebraic Geometry Saskatoon dedicated to Professor Danielle Gondard, on the occasion of her 60th Birthday (Oct. 5 - 6, 2006)
• Banff International Research Station 5 days Workshop on Positive Polynomials and Optimization (Oct 07 - Oct 12, 2006)

• Hausdorff-Edition. I have accepted an invitation to join the editorial board for the publication of Volume 1.
• Proceedings: Valuation Theory and its Applications. Edited by Kuhlmann, F.-V. - Kuhlmann, S. - Marshall.

• Positive Polynomials and the multi-dimensional Moment Problem mini course, Weizmann Institut, Israel (July 2008).
• Hilbert's 17th Problem and Positive Polynomials mini-course Universite Paris 6 (October 2007).
• Positive Polynomials and the Moment Problem mini-course, Centre Emile Borel, Institut Henri Poincare (Fall 2005).
• Groupe de Travail "o-minimalite, Transseries et Modeles non-Archimediens" Co-organized with Professor J.-P. Ressayre, 2003-2004, resumed 2007.
• Cryptography Student Seminar I organized this Seminar for Mathematics and Computer Science Students (Summer 2002).
• Colloquium of the Mathematical Sciences Group. I organized this Colloquium with the aim of bringing mathematicians (in particular, logicians) and computer scientists together, by inviting talks on topics of interest to both groups.
• The Algebra and Logic Seminar 1997-2007. Organized by the Research Center for Algebra, Logic and Computation . Main topics: Model Theoretic Algebra and Real Algebraic Geometry. Speakers: M. Aschenbrenner, V. Astier, E. Becker, I. Bonnard, H. Brungs, Z. Chatzidakis, J. Cimpric, M. Dickmann, R. Dorrego, J. Funk, D. Gondard, T. Green, D. Haskell, S. Khanduja, H. Knaf, K. Kurdyka, C. Miller, E. Mosteig, T. Netzer, H. Perdry, V. Powers, A. Prestel, S. Priess, M. Putinar, P. Roquette, H. Schoutens, C. Scheiderer, N. Schwartz, M. Schweighofer, P. Speissegger, M. Spivakovsky, B. Sturmfels, B. Teissier, M. Tressl, V. Vinnikov.
• Geometric Algebra seminar (1999-2000) (our graduate students lectured on Artin's book)
• Seminar on Sturm Algebra (Summer 1999) for our undergraduate NSERC Summer Students.
• Seminar on Quasicrystals (May 1999) invited Prof. Moody, Prof. Weiss, Prof. Baake.
• I gave a Mini-Course on the Algebra and Model Theory of Exponential Fields, Louisiana State University, Baton Rouge, USA (spring 1996).
• Model Theory (co-organized with Prof. Gloede), University of Heidelberg (1995).
• Exponential Fields (co-organized with Prof. Roquette), University of Heidelberg (1993-94).

• (January--July 2009). The Fields Institute, Invited to participate to the Thematic Program on o-minimal structures and real analytic geometry
• Sabbatical Leave September 2007--January 2008: University of Slowenia, Ljubljana September 5 to September 15th. Invited Professor at Univ. Paris 6 (October). Equipe de Logique, CNRS, Univ. Paris 7, October 1 to December 1st. Laboratoire d'analyse et d'Architecture des Systemes, CNRS, Univ. de Toulouse, December 1 to December 16th.
• Two weeks research visit to Department of Mathematics, Ben-Gurion University, Israel. April 2007.
• One week research visit to Institute for Mathematics and its Applications , January 2007.
• Invited Professor of University of Paris 7. I taught a course on "Positive polynomials and the Moment Problem" at Centre Emile Borel, Institut Henri Poincare for the research trimester "Real Geometry" September 12 - December 16, 2005.
• Participant to the Model theory research semester, Newton Institute, University of Cambridge, UK, spring 2005.
• Sabbatical Leave September 2003--July 2004 : Equipe de Logique, CNRS, Univ. Paris 7, Paris France.
• One week research visit to Universidad Autonoma Madrid, Spain (invited by Prof. M. Otero, November 2003).
• Two weeks research visit to University of Ljubljana, Slovenia (invited by J. Cimpric, January 2004).
• One week research visit to University of Regensburg, Germany (invited by M. Tressl, February 2004)
• Two weeks research visit to University of Bonn, Germany. (invited by Prof. Koepke, May 2004)
• 1 week research visit TU Darmstadt (invited by Prof. K. Keimel, July 2003)
• 1 week research visit Set Theory and Analysis Program, Fields Institute (Fall 2002)
• I was invited to visit Professor Saharon Shelah in Rutgers (October 2001)
• One week research visit to Jussieu Paris 6 and Paris 7 Paris, France (June 2000 and June 2001)
• One week research visit to the Departement de Mathematiques, Université du Maine, Le Mans, France (June 1998).
• Visiting Member of the Mathematical Sciences Research Institute, Berkeley, for the Model Theory of Fields Program (May - June 1998).
• Visiting Member of the Fields Institute, Toronto, for the Emphasis Year on Algebraic Model Theory: Geometric Model Theory, and Model Theory of Analytic Functions (1996-97).
• I participated in the Special Semester on Real Algebraic Geometry and Ordered Algebraic Structures at the Louisiana State University, Baton Rouge (spring 1996).
• I was invited by W. C. Holland and S. McCleary for a one week research visit at the Bowling Green State University.
• I was invited to the Tata Institute, Bombay, by Prof. Parimala for a one week research visit (March 1995).
• I was invited to the Punjab University at Chandigarh, India, by Profs. Sankaran and Khanduja for a 3 months research visit. I gave a graduate course on the algebra and model theory of exponential fields.

SELECTED INVITED TALKS AND CONFERENCE PARTICIPATION

Academic Year 2007-2008

• Special Session on Real Algebraic Geometry, Applications and Related Topics, MTNS 08, Blacksburg, Virginia (July 2008)
• Special Session on Model Theory and Applications to Geometry, CMS-SMF joint Meeting, University of Montreal ; invited speaker (June 2008)
• Special Session on Real Algebra and its interactions with Functional Analysis, LAW'08, Kranjska Gora, Slovenia (May 2008)
• Seminaire Structures Alg\'ebriques Ordonn\'ees, Paris 7; invited speaker (May 2008)
• Logic Seminar Notre Dame University, South Bend (November 2007)
• Logic Seminar Universite de Mons-Hainaut, Belgique 3 talks (November 2007)
• Seminaire General de Logique, Paris 7; invited speaker (November 2007).

• Journees en l'Honneur de Max Dickmann, Univ. Paris 7; invited speaker (June 2007)
• Seminaire Equations Differentielles, Universite de Bourgogne; invited speaker (June 2007).
• Special Session on Contemporary Model Theory and its Applications CMS Summer Meeting University of Manitoba, Winnipeg ; invited speaker (June 2007)
• Prairies Mini-Meeting, Univ. of Regina; invited speaker (May 2007).
• Math Colloquium, Ben Gurion Univ; invited speaker (April 2007).
• Set Theory Seminar, Ben Gurion Univ.; invited speaker (April 2007).
• Algebraic Geometry Seminar, Ben Gurion Univ.; invited speaker (April 2007).
• Set Theory Seminar, Hebrew Univ.; invited speaker (April 2007).
• Algebra Seminar, Univ. of Haifa invited speaker (two talks) (April 2007).
• Seminar Reelle Algebraische Geometrie, Univ. Regensburg; invited speaker (March 2007).
• Seminaire General de Logique, Paris 7; invited speaker (March 2007).
• Seminaire Structures Algebriques Ordonnees, Paris 7; invited speaker (March 2007).
• Workshop on Real Algebraic Geomerty, Oberwolfach; invited participant (March 2007).
• Association for Symbolic Logic, Annual Meeting, University of Florida, Gainesville; plenary speaker (March 2007).
• Workshop on Optimization and Control, IMA, University of Minnesota, Minneapolis; plenary speaker (January 2007).
• workshop "Positive Polynomials and Optimization", BIRS; organizer and participant (October 2006)
• Colloque "o-minimalite", Equipe de Logique, CNRS Paris 7; participant (September 2006)
• Mini-Symposium on Polynomial Inequalities and Applications, Kyoto, Japan, organizors: Bill Helton, Pablo Parrilo, Mihai Putinar; invited participant (July 2006).

• CARTHAPOS2006 A Workshop-Conference on Positivity, Tunis; invited participant (June 2006).
• Special Session on Model Theory, Annual Meeting of the Canadian Mathematical Society, Calgary; invited speaker (June 2006).
• Workshop on Extreme Forms of real algebraic varieties, AIM, Palo Alto, organizors: Ilia Itenberg, Grigory Mikhalkin, Oleg Viro ; invited participant (April 2006).
• Model Theory Seminar, McMaster, Hamilton Differentiel fields of exponential-logarithmic power series (February 2006)
• Seminaire general de Logique, Universite Paris 7, Paris: Corps Differentiels de series exponentielles-logarithmiques (November 2005)
• S'eminaire Alg`ebre et G'eometrie, Universit'e de Versailles - Saint-Quentin, Versailles: Polyn^omes positifs et probl`eme des moments (3 talks) and Corps de Transs'eries (November-December 2005).

• Set Theory Seminar, University of East Anglia, Norwich UK: Lexicographic Exponentiation of Chains (May 2005).
• MAA Seminar, Newton Institute, Cambridge , UK: Truncation Integer Parts of Valued Fields (May 2005).
• Conference on Positive Polynomials, CIRM Luminy , France: The Invariant Moment Problem (March 2005).

• Workshop and Conference on Logic, Algebra and Arithmetic, IPM Tehran, Iran: Primes and Irreducibles in Power Series Rings. 2 Talks (October 2003).
• Colloquium, Shiraz University, Iran: A talk on Model Theory. (October 2003).
• Seminaire general de Logique. Universite Paris 7, France: Lexicographic Exponentiation of Chains. (November 2003).
• Algebra Seminar Universitad Autonoma Madrid ,Spain: Primes and Irreducibles in Exponential Integer Parts of Ordered Exponential Fields.(December 2003).
• Cairo University, Egypt: A talk on Real Closed Fields. Colloquium, (January 2004).
• Seminaire general de Logique. Universite Paris 7 , France: Corps de series Exponentielles Logarithmiques. (February 2004).
• Seminar Real Algebraic Geometry Universitaet Regensburg , Germany: Primes and Irreducibles in Power Series Rings. (February 2004).
• Seminaire Algebre et Geometrie. Universite de Versailles Saint-Quentin, France: Primes and Irreducibles in Ordered Group and Power Series Rings. 3 Talks (March, May, June 2004).
• Algebra Seminar, University of Pisa, Italy: Exponential Integer Parts of Exponential Fields. (March 2004).
• Seminaire de Structures Algebriques Ordonnees, Universite Paris 7, France: Positivstellensatz et le Probleme des Moments. (March 2004).
• Workshop on Algorithmic, Combinatorial and Applicable Real Algebraic Geometry, MSRI Berkeley USA: On G-Invariant Moment Problems. (April 2004).
• Colloquium, Universite d'Angers, France: Le Probleme des Moments. (April 2004).
• Kolloquium, Universitaet Bonn, Germany: Positivstellensatz and the Moment Problem. (May 2004).
• Logik Kolloquium, Universitaet Bonn, Germany: kappa-bounded Exponential-Logarithmic power series fields. (May 2004).
• Colloquium, Zagreb University, Croatia: Hilbert's 17th problem and The moment problem. (June 2004).
• Keldysh International Conference and Workshop, Moscow State University, Russia: Hausdorff's Lexicographic Chains, (August 2004).

• Real Algebraic Geometry mini conference, Universitaet Regensburg, Germany: Exponential Integer Parts of the Exponential-Logarithmic Power Series Field (July 2002).
• Colloquium TU Darmstadt Germany: Lexikographische Exponentiation Angeordneter Mengen (October 2002).
• Logik Kolloquium Universitaet Bonn: Lexikographische Produkte Angeordneter Mengen (October 2002).
• Seminaire Stuctures Algebriques Ordonnees Paris 7: Une Partie Exponentielle Entiere du corps de series Exponentielles- Logarithmiques (October 2002).
• Algebra Colloquium, Univ. Complutense Madrid, Spain: The moment problem (November 2002).
• Sixth Annual Conference in Ordered Algebraic Structures Vanderbilt University, Nashville Tennessee, USA: Lexicographic Exponentiation of Chains. (March 2003).
• First Joint International Meeting American Mathematical Society and the Real Sociedad Matemtica Espanola, Seville, Spain: Representation of Polynomials Positive on Subsets of the Real Line, with Applications to the Multidimensional Moment Problem. (June 2003).

• London Mathematical Society regional meeting on Model Theory, University of Birmingham, UK: On the Arithmetic of Lexicographic Exponentiation (March 2002).
• Logic Colloquium McMaster University, Hamilton: On the Arithmetic of Lexicographic Exponentiation (February 2002).
• Colloquium York University, Toronto: Ordered Exponential Fields (February 2002).
• CUNY Logic Workshop New York City: Exponential Logarithmic Power Series (October 2001).

• Real Algebraic Geometry Meeting, Université de Rennes 1: Sums of Squares and the multi-dimensional moment problem (June 2001)
• Université Paris 7, France, Seminaire sur les structures algébriques ordonnées Une propriété de maximalite du corps de Hardy (June 2000) and Ordres Lexicographiques (June 2001)
• CMS Summer Meeting (Model Theoretic Algebra Session), University of Saskatchewan: Lexicographic Orderings (June 2001)
• Symposium in Mathematics in honor of Professor Saharon Shelah, winner of the Bolyai and Wolf Prizes, Ben Gurion University of the Negev, Israel, (3 workshop lectures): Mini-Course on Exponential Fields (May 2001).
• ASL Annual Meeting, University of Pennsylvania (plenary talk): Ordered Exponential Fields (March 2001)

• University of Munich, Germany, Oberseminar Priess-Crampe: Eine Maximalität Eigenschaft für Hardykörper (June 2000)
• McMaster University, Hamilton, CMS Summer Meeting (Logic Section): A maximality property for the Hardy Field of the expansion by real powers and restricted analytic functions (June 2000).
• San Antonio, Texas, AMS annual meeting (Model Theory Section) : The Hardy field of a polynomially bounded +(exp) o-minimal expansion of the reals (January 2000)

• Association for Symbolic Logic, Spring Meeting, Toronto, Model Theory Section: The growth rates of exponentials in models of real exponentiation (May 1998)
• Conference on f-Rings, University of Florida at Gainesville: The valuation theoretic structure of Hardy fields (February 1998)
• University of Heidelberg, Germany, AG Modelltheorie und Algebra: Hardykoerper (July 1997)
• University of Munich, Germany, Oberseminar Priess-Crampe: Hardykoerper (July 1997)

• York University, Toronto, Algebra Seminar: Formally Exponential Fields (June 1997)
• Ecole Normale Supérieure, Paris: Les corps de Hardy (Mai 1997)
• Freie Universitaet Berlin, Berliner Logikkolloquium: Exponentiation und Potenzreihenkoerper (Mai 1997)
• Humboldt Universitaet Berlin: Exponentielle Hardykoerper (May 1997)
• University of Wisconcin, Madison, Logic Seminar: Exponentiation in Power Series Fields and o-minimal expansions of the reals (May 1997)
• Ryerson Polytechnic University, Toronto: Hardy Fields (April 1997)
• Conference on Order, Logic and Appications CIRM, Luminy, France: Valuation Theory of Exponential Hardy Fields, part I and II (April 1997)
• University of Durham, England, Research Symposium on Model Theory of Fields: Exponentiation (July 1996)

• Université Paris 7, France, Seminaire sur les structures algébriques ordonnées: Le rang exponentiel (June 1996) and La classification de structures ordonnees (November 1987)
• Université Paris 7, France, Groupe de travail sur les corps exponentiels:
  Exponentiation dans les séries formelles (January 1996)
• University of Wesleyan, Middletown, Connecticut, Logic Seminar and
  University of Maryland, Washington D. C., Logic Seminar: Exponentiation in power series fields and the exponential rank (May 1996)
• Tulane University, New Orleans, Algebra Seminar: Ordered exponential fields (April 1996)
• Southern University, Baton Rouge, Colloquium: The exponential story (April 1996)
• Louisiana State University, Baton Rouge,
  Colloquium: Nonarchimedean exponential fields
  AMS Special Session: Exponentiation in power series fields (April 1996)
• Université de Caen, France, Seminaire de Logique et Algorithmique:
  Exponentiation dans les séries formelles (January 1996)
  Développements récents en algèbre et théorie des modèles des corps exponentiels (January 1994)
• Bowling Green State University
  Colloquium: Ordered exponential fields
  Algebra Seminar: Logarithmic cross-sections in power series fields and
  Lexicographic orderings and exponentiation (September 1995)
• Rutgers University, New Brunswick, Seminar on Algebra and Logic: Lexicographic orderings and the nonexistence of exponential power series fields (September 1995)
• McGill University, Montreal, Category Theory Research Center: What do we know about exponential power series fields? (August 1995)

• Curacao, Conference on Ordered Algebraic Structures: Logarithmic cross-sections of real closed fields (June 1995)
• Himachal Pradesh University, India, Colloquium: Nonarchimedean ordered fields (March 1995)
• Tata Institute of Fundamental Research, Bombay: The Algebraic Structure of Exponential Fields, and Valuation and model theory of real exponentiation (March 1995)

• University of Munich, Germany, Oberseminar Algebra: Ueber die Konstruktion nichtarchimedischer exponentieller Koerper (May 1994)
• Oberwolfach, Mathematisches Forschungsinstitut, Conference on Nonstandard Analysis: The valuation theoretic interpretation of exponentiation (February 1994), and
  Conference on Abelian Groups: Valued and ordered abelian groups - some recent developments and applications (joint talk with F.-V. Kuhlmann) (August 1993)
• Universite d'Angers, France, Journée de Théorie des modèles: Abelian groups with contractions (December 1993)
• University of Leeds, England, Leeds Logic Conference: On the structure of nonarchimedean exponential fields (December 1993)
• Queen Mary and Westfield College, London, England, Seminar of model theory and combinatorics: On the algebra and model theory of valued and ordered vector spaces (December 1993)
• C.I.R.M. Luminy, France, Second Conference on ordered groups and infinite permutation groups: Exponential value groups (July 1993)
• Humboldt University Berlin, Wendisch-Rietz, Easter Conference on Model Theory:
  On the structure of exponential fields (1993), and Valued vector spaces (1990)
• University of Crete, Greece, Summer School in the Model Theory of Fields:
  A structure theorem for countable exponential fields (August 1992)
• Universitaet Bielefeld, Germany, Meeting of the Deutsche Mathematiker Vereinigung:
  Zur Modelltheorie der bewerteten Vektorraeume (1991)

• Model Theory Seminar:
  Valuation Theory of ordered exponential fields, part I and II (October 1996).
  The compactness and completeness theorems (April 1997).
  The Valuation Property and the structure of Hardy Fields (June 1997).
  
• Singularity Theory Seminar:
  Exponential Hardy fields (March 1997).
  
• Valuation Theory Workshop (April 1997):
  Valuation Theory of ordered analytic fields.
  Quantifier Elimination for T_an,exp .

Last updated March 2, 2010