Number Theory and Algebraic Geometry, KULeuven-UGent.

Ghent University, Department of Pure Mathematics and Computer Algebra
K.U.Leuven, Department of Mathematics, research unit algebraic geometry and number theory.

The seminars take place at (unless stated otherwise):

KULeuven, Celestijnenlaan 200B, 3001 Heverlee, room 01.05
UGent, Galglaan 2 (S22), 9000 Gent, room 14

Information: Jan Denef (KULeuven), Cindy De Volder (UGent) and Wim Veys (KULeuven)

Webmasters:
Tim Wouters (KULeuven), e-mail: tim.wouters@wis.kuleuven.be
Cindy De Volder (UGent), e-mail: cdv@cage.ugent.be

This page is not being updated any more!

It only exists for nostalgic reasons. Please go to the new page for the current seminar schedule and the most recent information.

2006-2007 (past events)

title of the lecture lecturer date and time place abtract/
slides

Seminar Packing numbers Halszka Tutai-Gasinska
(Jagiellonian University - Polen) November 29th,
14:30-15:15 UGent
Room 14

Plane curves with total inflection points. Filip Cools
(K.U.Leuven) 15:45-16:45

Seminar
series Tropical geometry and related topics. Filip Cools
(K.U.Leuven) November 22nd,
13:30-16:00
and
December 13th,
14:30-17:00 K.U.Leuven
Room B01.05

Ph.D
tbesis
defence Point counting on nondegenerate curves. Wouter Castryck
(K.U.Leuven) November 14th,
18:00 K.U.Leuven
Auditorium
Arengbergkasteel

Seminar Some surprising connections between logic and analysis Andreas Weiermann
(UGent) November 8th,
14:30-17:00 UGent
Room 14

Seminar Recursively enumerable subsets of F_q[Z] are diophantine. Jeroen Demeyer
(UGent) October 25th,
14:30-17:00 K.U.Leuven
Room B01.05

Seminar Rigid geometry
and motivic zeta functions Johannes Nicaise
(Univ. Lille 1) October 11th,
14:30-17:00 K.U.Leuven
Room B01.05

2005-2006 (past events)

title of the lecture lecturer date and time place abtract/
slides

Seminar Galois embedding of algebraic varieties
and its application to curves and surfaces Hisao Yoshihara
(Niigata Univ.) September 13th,
14:30-17:00 UGent
Room S25

Seminar Extended Picard complexes
and algebraic groups Mikhail Borovoi
(Tel Aviv University) August 30th,
14:30-17:00 K.U. Leuven
Room B01.07

Seminar On the minimal degree
of plane models of a curve Gerriet Martens
(Univ. Erlangen) August 14th,
14:30-15:30 K.U. Leuven
Room B01.16

Seminar Hilbert's tenth problem for
function fields over p-adic fields Kirsten Eisenträger
(Univ. Michigan) May 24th,
14:30-16:00 K.U. Leuven
Room B01.16

Ph. D.
thesis
defence Stringy invariants of
singular algebraic varieties Jan Schepers
(K.U. Leuven) May 17th,
16:30 K.U. Leuven
Auditorium
De Molen

Seminar Moduli of configurations
of points and lines in the plane Jozef Steenbrink
(Radboud Univ. Nijmegen) May 17th,
14:30 K.U. Leuven
Room B01.16

Seminar Zeta functions of surfaces
over finite fields Alan Lauder
(Oxford Univ.) May 10th,
14:30-15:30 K.U. Leuven
Room B01.16

Seminar On Selmer groups over
function fields of characteristic p>0 Fabien Trihan
(Univ. de Mons) April 26th,
14:30-17:00 K.U. Leuven
Room B01.16

Seminar Elliptic curves and
"hard" number theoretical problems Gunther Cornelissen
(Univ. Utrecht) March 22nd,
14:30-17:00 UGent
Room 14

Seminar An optimal generic algorithm
for the discrete log problem Hendrik Hubrechts March 8th,
14:30-17:00 K.U. Leuven
Room B01.16

Seminar Poincaré series and zeta function of
monodromy for isolated singularities Ann Lemahieu February 22nd,
14:30-17:00 K.U. Leuven
Room B01.16

Seminar Polyhedral configurations
of infinitely near points Antonio Campillo
(Univ. Valladolid) November 30th,
14:30-15:30 K.U. Leuven
Room B01.07

Mini course Every rationally connected variety over the
function field of a curve has a rational
point (d'après J. De Jong & J. Starr)

Introduction Joost van Hamel October 5th,
14:30-17:00 K.U. Leuven
Room B01.07

Families of varieties Jan Schepers
Wouter Castryck October 12th,
14:30-17:00 K.U. Leuven
Room B01.18

Hilbert schemes
and deformation theory I Marc Coppens October 26th,
14:30-17:00 K.U. Leuven
Room B01.07

Hilbert schemes
and deformation theory II Marc Coppens
Cindy De Volder November 9th,
14:30-17:00 UGent

Hilbert schemes
and deformation theory III Cindy De Volder November 23rd,
14:30-17:00 UGent

Rationally connected varieties Filip Cools December 7th,
14:30-17:00 K.U. Leuven
Room B02.08

The proof of J. De Jong and J. Starr Joost van Hamel December 21st,
14:30-17:00 K.U. Leuven
Room B02.08

2004-2005

title of the lecture lecturer date and time place abstract/
slides

Seminar
series Motivic Integration
Raf Cluckers
(K.U. Leuven, ENS Paris) May 4th,
May 11th,
14:30-17:00
K.U. Leuven
Room B01.14
Room B01.16

Seminar
series The cohomology of
Monsky and Washnitzer
Wouter Castryck
(K.U. Leuven) March 9th,
March 23rd,
May 25th,
14:30-17:00
K.U. Leuven
Room B01.14

InterCity
NumTheory
Seminar Abelianised Galois cohomology
of reductive groups
Joost van Hamel
(K.U. Leuven) March 4th,
13:30-14:30 UGent, S22
Room 14

On analytic unformization of abelian
varieties and Anderson modules
Lenny Taelman
(Univ. Groningen) 14:45-15:45

Introduction to motivic integration
Jan Schepers
(K.U. Leuven) 16:15-17:15

Seminar An introduction to Hilbert's
Tenth Problem and Recursively
Enumerable Subsets of F_q[Z]
Jeroen Demeyer
(UGent) February 23rd,
14:30-17:00 UGent, S22
Room 14

Seminar Etale cohomologie van variëteiten
over de reële getallen
Joost van Hamel
(K.U. Leuven) December 15th,
14:30-17:00 K.U. Leuven
Room B01.07

Ph. D.
thesis
defence Igusa zeta functions
and motivic generating series
Johannes Nicaise
(K.U. Leuven) December 8th,
16:00 K.U. Leuven
Auditorium
De Molen

Seminar Hyperplane complements
and ball quotients
Eduard Looijenga
(Univ. Utrecht) December 8th,
14:30-15:30 K.U. Leuven
Room B01.07

Seminar Iterated vanishing cycles
and applications
François Loeser
(ENS, Paris) December 7th,
16:00-17:00 K.U. Leuven
Room N00.01

Seminar Polynomial Equivalence of
Generalized Ehrhart Series
and Enumerator Functions
Sven Verdoolaege
(K.U. Leuven,
dept. of Computer Science) December 1st,
14:30-17:00 K.U. Leuven
Room B01.07

Seminar
series Hodge theory and the definition
of the Hodge-Deligne polynomial
Jan Schepers
(K.U. Leuven) October 27th,
November 3rd,
November 17th,
14:30-17:00 K.U. Leuven
Room B01.07

Seminar Hurwitz Problem and
Function Fields of Quadratic Forms
Detlev Hoffmann
(Univ. of Nottingham) September 10th,
14:30-15:30 UGent,
Room 36

2003-2004

Ph. D. thesis defence: Friday June 18th (2004), at 17:00, KULeuven (Auditorium Arenbergkasteel), Véronique Van Lierde: Degree functions and integrally closed ideals in dimension two
Seminar day: Wednesday June 16th (2004), UGent (room 36),
at 11:00, Jeroen Demeyer (UGent): Existential divisibility lemma
at 14:30, David Leep (Univ. of Kentucky): Systems of quadratic forms over the p-adic numbers
at 16:00, Karim Becher (UGent): Gross' problem on isotropy of infinite-dimensional spaces
Seminar: Wednesday June 9th (in B01.05) and Friday June 18th (in B01.07) (2004), 14.30-15:30, KULeuven, Wilson Zúñiga-Galindo (Barry University, Florida): Computing Igusa local zeta functions, and an application to cryptography. Igusa's local zeta functions and p-adic pseudo-differential equations.
Seminar: Thursday May 27th (2004), 13:30-16:00, KULeuven, Frans Oort (Univ. Utrecht): Hecke orbits and foliations in moduli spaces
Seminar day: Wednesday May 26th (2004), UGent (room 36),
at 11:00, Stefan De Wannemacker (UGent): Quadratic forms and Stirling numbers of the second kind
at 14:30, Raman Preeti (Univ. de Rennes): Multipliers of similitudes
at 16:00, Antonio Laface (Univ. di Milano): Polynomial interpolation on Pⁿ
Ph. D. thesis defence: Friday April 30th (2004), at 17:00, KULeuven (Auditorium De Oude Molen), Dirk Segers: Smallest poles of Igusa's and topological zeta functions and solutions of polynomial congruences
Seminar: Friday April 30th (2004), 14:30 - 15:30, KULeuven (room B02.08), Pierrette Cassou-Nogu�s (Univ. de Bordeaux): Birational morphisms from C² to C²
Seminar: Thursday April 29th (2004), 16:00-17:00, KULeuven, Enrique Artal (Univ. de Zaragoza): Line arrangements and fundamental groups
Seminar:Wednesdays March 31st and April 21st (2004), 14:30-17:00, UGent, Cindy De Volder: Linear systems on generic K3 surfaces. Degenerations of linear systems on K3 surfaces (joint work with A. Laface)

Mini course: Kuleuven, Igor Semaev: Seminar on computational number theory and cryptography. This seminar stems from a joint project with Esat/COSIC (visit the seminar webpage). The following topics were covered:
Wednesday March 10th, 14:30-17:00 (2004), 14:30-15:30 and 16:00-17:00, The discrete logarithm problem in finite fields of characteristic 2. Coppersmith's method. Wednesday March 24th, 14:30-17:00 (2004), 14:30-15:30 and 16:00-17:00, The discrete logarithm problem on elliptic curves and the jacobians of hyperelliptic curves. Multiplicative and additive reductions to finite fields. Pollard's method for Koblitz elliptic curves in characteristic 2.
Seminar: Wednesday March 3rd (2004), 14:30-17:00, KULeuven, Bart Rodrigues: The monodromy conjecture for curves
Seminar: Wednesday February 25th (2004), 14:30-17:00, KULeuven, Reinier Br�ker: Constructing elliptic curves with a given number of points This seminar stems from a joint project with Esat/COSIC (visit the seminar webpage).
Seminar: Thursday February 19th (2004), 12:00-13:00, KULeuven (room B01.07), Joost van Hamel: In het oog van de storm: rationale punten en Galois-equivariante homologie van algebra�sche vari�teiten
Seminar: Wednesday February 18th (2004), 14:30-17:00, UGent, Jan Van Geel: Applications of exponential sums to systems of homogeneous forms defined over p-adic fields (Work of David Leep)
Seminar: Wednesday February 11th (2004), 14:30-17:00, KULeuven, Jasper Scholten: Cover attacks on trace zero varieties. This seminar stems from a joint project with Esat/COSIC (visit the seminar webpage).
Seminar: Wednesday January 7th (2004), 14:30-17:00, KULeuven, Dirk Segers: Optimale ondergrens voor de polen van Igusa's p-adische zetafunctie
Seminar: Wednesday December 10th (2003), 14:30-17:00, UGent, Jeroen Demeyer: Poonen's "Bertini Theorems over Finite Fields"
Ph. D. thesis defence: Friday November 14th (2003), 13:30, KULeuven (Auditorium Kasteel Arenberg), Frederik Vercauteren (ESAT): Computing Zeta functions of curves over finite fields
Seminar: Wednesdays October 29th (room B01.16), November 12th and November 26th (in room B01.18) (2003), 14:30-17:00, KULeuven, Johannes Nicaise: Algebra�sche stacks

2002-2003

Seminar: Friday May 30th (2003), 15:30-17:30, KULeuven, Alan Lauder (Oxford Univ.): Deformation Theory and the Computation of Zeta functions
Departmental colloquium: Wednesday May 7th (2003), 14:00-15:00, KULeuven (room B02.16), Jasper Scholten (ESAT): Elliptic curves and hyperelliptic curves in cryptography
Seminar: Wednesday April 30th, May 14th and 21st (2003), 14:30, KULeuven, Johannes Nicaise: Topologie van singulariteiten
Seminar: Wednesday April 2nd (2003), 14:30, KULeuven, Franziska Bittner (Univ. Utrecht): Eulerkarakteristieken van vari�teiten
Ph. D. thesis defence: Wednesday December 18th (2002), 17:00, KULeuven Auditorium 'De Molen', Raf Cluckers: Cell Decomposition and p-adic Integration
Seminar: Wednesday December 18th (2002), 15:30, KULeuven, Angus Macintyre (univ. of Edinburgh): Model theoretic constructions in Weil cohomology
Course: KULeuven (room B02.16), Igor Semaev: Seminar on computational number theory and cryptography

seminar webpage

The following topics were covered:
Wednesday October 30th (2002), 14:30-15:30 and 16:00-17:00, complexity of algorithms, one-way functions, finding roots of polynomials modulo N Wednesday November 13th (2002), 14:30-15:30 and 16:00-17:00, the Rabin cryptosystem, signature algorithms, properties of hash functions, the ElGamal signature algorithm Wednesday November 27th (2002), 14:30-15:30 and 16:00-17:00, DSA, finding collisions for hash functions Wednesday December 11th (2002), 14:30-15:30 and 16:00-17:00, the RSA cryptosystem, Coppersmith's theorem Wednesday February 12th (2003), 14:30-15:30 and 16:00-17:00, applications of the Coppersmith theorem, LLL-lattice basis reduction Wednesday February 26th (2003), 14:30-15:30 and 16:00-17:00, the NTRU cryptosystem and its security, the Pohlig-Hellman algorithm, Pollard's rho-method Wednesday March 12th (2003), 14:30-15:30 and 16:00-17:00, the index-calculus algorithm, solving sparse linear systems Wednesday March 26th (2003), 14:30-15:30 and 16:00-17:00, the linear sieve, the cubic sieve and the number field sieve

2001-2002

Seminar: Monday June 10th (2002), 14:30-17:30 and Wednesday June 12th 14:30-15:30, KULeuven, Prof. B. Lichtin (Univ. Rochester): Uniform estimation of multi-exponential sums mod p² and Igusa theory (part II)
Seminar: Wednesday June 5th (2002), 14:30-15:30, KULeuven, Prof. B. Lichtin (Univ. Rochester):Uniform estimation of multi-exponential sums mod p² and Igusa theory (part I)
Seminar: Wednesday June 5th (2002), 16:00-17:00, KULeuven

Prof. E. Hironaka (Florida State University):

Duality for Coxeter systems

Seminar: Wednesday May 22nd (2002), 14:30-17:00, KULeuven, Prof. D. Haskell (Mcmaster University, Ontario, Canada): Elimination of imaginaries in algebraically closed valued fields
Ph. D. thesis defence: Friday May 17th (2002), 16:30, KULeuven Kasteel Arenberg (Oude Molen), Bart Rodrigues: Geometric determination of the poles of motivic and topological zeta functions
Seminar: Friday May 17th (2002), 14:30-15:30, KUleuven

Prof. I. Luengo (Univ. Complutense Madrid):

The monodromy conjecture for quasi-ordinary hypersurfaces

Mini Workshop: Monday May 6th till Wednesday May 8th (2002), UGent : Drinfeld modules, t-motives and Rigid Geometry (program)
Seminar: Wednesday April 24th and May 15th (2002), 14:30-17:00, KULeuven, M. Coppens (KULeuven): Een assymptotische zeer ampelheidsstelling voor opblazingen van gladde vari�teiten in algemene punten
Ph. D. thesis defence: Friday March 29th (2002), 16:00, KULeuven Kasteel Arenberg I, Kathleen Hoornaert: Newton Polyhedra and Igusa's Local Zeta function
Seminar: Wednesday March 27th and April 17th (2002), 14:30-17:00, KULeuven, D. Segers (KULeuven): De kleinste polen van topologische zetafuncties
Seminar: Wednesday Februari 27th (2002), 14:30-17:00, KULeuven, Dr. J. Scholten (Cosic, KULeuven): On the modularity of a quintic threefold
Seminar: Wednesday Februari 13th (2002), 14:30-17:00, KULeuven, Prof A. Melle (Univ. Complutense Madrid): Partial resolutions, why not?
Ph. D. thesis defence: Thursday December 13th (2001), 16:00, UGent Auditorium 104, Ledeganckstraat 35, Francis Gardeyn: t-Motives and Galois representations
Seminar: Wednesday December 12th (2001), 14:30-17:00, KULeuven, Prof H. Schoutens (Ohio State University): Non-standard Tight Closure and the Hochster-Roberts Theorem
Course: Wednesday November 21st, December 5th and 19th (2001), 14:30-17:00, KULeuven, K. Hoornaert (KULeuven): Newton Polyhedra and Igusa's Local Zeta function
Seminar: Wednesday November 14th (2001), 14:30-17:00, KULeuven, Prof F. Loeser (Ecole Normale Superieure, Paris): Motivic Serre invariant and birational geometry of degenerations
Seminar Wednesday October 31st (2001), 14:30-17:00, UGent, J. Alexander (Univ. d'Angers): An assymptotic vanishing theorem for unions of multiple points on a projective algebraic variety

2000-2001

Ph. D. thesis defence: Wednesday May 28th (2001), 16:00, KULeuven (Universiteitshalle), Adriaan Herremans: A combinatorial interpretation of Serre's conjecture on modular Galois representations
Seminar: Wednesday May 28th (2001), 14:00-15:00, KULeuven, G. Frey (Univ. Essen): Arithmetic Geometry and data security
Seminar: Two Hundred Years of Number Theory after Gauss! The Dutch Intercity Number Theory Seminar and the KULeuven-UGent Number Theory and Algebraic Geometry Seminar celebrate the anniversary of the publication of Gauss' Disquisitiones Arithmeticae (1801). On May 2nd, 2001 a Gauss day will be organized at "Het Pand" in Ghent, Belgium. For more details we refer you to http://cage.ugent.be/~cdv/GaussDay.html
Seminar: Wednesday April 25 (2001), 14:30-15:30, KULeuven, G. Neven: Veilige functie-evaluatie m.b.v. kwadratische residus
Seminar: Wednesday March 21st (2001), 14:30-15:30, KULeuven, A. Campillo (Univ. Valladolid): Semigroups of values and Alexander polynomials for plane curve singularities
Seminar: Wednesday March 7th (2001), 14:30-17:00, KULeuven, M. Van den Bergh: Classificatie van laagdimensionale categorie�n
Seminar: Wednesday January 31st (2001), 14:30-15:30, KULeuven, W. Stein (Harvard): Visibility of Shafarevich-Tate groups
Seminar: Wednesday January 24th (2001), 14:30-17:00, UGent, J. Van Geel: Abel's Theorem on the Lemniscate
Seminar: Wednesday December 20th (2000) and January 10th (2001), 14:30-17:00, KULeuven, R. Cluckers: Semi-algebra�sche p-adische meetkunde
Seminar: Wednesday October 18th and 25th (2000), 14:30-15:30, KULeuven, A. Gyoja: Unipotent representations of finite Chevalley groups and Picard-Lefschetz monodromy
Seminar: Wednesday October 18th and 25th (2000), 16:00-17:00, KULeuven, J. Denef: Geometry on arc spaces of algebraic varieties

1999-2000

Seminar: Thursday May 18th (2000), UGent,
14:00-15:00 J. Murre (Leiden, Netherlands): On rational and Unirational Varieties
15:00-15:30 Coffee Break
15:30-16:30 A. Gimigliano (Bologna, Italy): On Rank of Tensors, Secant Varieties and Fat Points
Ph. D. thesis defence: Wednesday May 17th (2000), 16:00, UGent (Het Pand), Cindy De Volder: Very Ampleness and Gauss Maps of Linear Systems on Blowings-up of Projective Varieties
Seminar: Wednesday March 15th (2000), 14:30-15:30, KULeuven, F. Loeser (Ecole Polytechnique en Univ. Paris VI): The Motivic Milnor fibre
Course: Polytopen, Torische Vari�teiten en Toepassingen

Kathleen Hoornaert (KULeuven)

Raf Cluckers (KULeuven)

Dirk Segers (KULeuven)

Bart Rodrigues (KULeuven)

Cindy De Volder (UGent)

Workshop: November 2nd - 5th (1999) Hilbert's tenth problem, relations with arithmetic and algebraic geometry (more info)

1998-1999

Seminar: Wednesday April 21st, May 12th and May 26th (1999), 14:30-17:00, KULeuven, Veronique Van Lierde: Complete Idealen in 2-dimensionale Reguliere Lokale Ringen
Course: Arithmetical Theory of Elliptic Curves
Bart Rodrigues: Wednesday December 9th (1998), 14:30-17:00, KULeuven
Dirk Segers: Wednesday December 16th (1998), 14:30-17:00, KULeuven
Francis Gardeyn: Wednesday January 13th and 27th (1999), February 17th (1999), 14:30-17:00, UGent
Adriaan Herremans: Wednesday, February 24th (1999), March 10th and 31st (1999), April 14th (1999), 14:30-17:00, KUL
Seminar: Wednesday November 4th, 18th and 25th (1998), 14:30-17:00, UGent, Cindy De Volder: Blowings-up of P² and their blowings-down

1997-1998

Seminar: Wednesday June 3rd (1998), 14:30-16:30, KULeuven, Chiantini (University of Siena), A geometric approach to the study of Severi varieties on surfaces
Ph. D. thesis defence: Friday May 22nd (1998), 17:00, KULeuven (Aud. N 00.04), Philippe Jacobs: Principal Value Integrals, Cohomology and Igusa's Zeta Functions
Seminar: Friday May 22nd (1998), 15:30-16:30, KULeuven, D. Barlet (Universite de Nancy): Poles of |f|^2s on a complex space with an isolated singularity
Mini course: Philippe Jacobs: Hoofdwaarde-integalen en Cohomologie
Wednesday April 29th (1998), 14:30-17:00, KULeuven
Wednesday May 6th (1998), 14:00-15:30, UGent
Wednesday May 13th (1998), 14:30-17:00, KULeuven
Seminar: Wednesday April 29th (1998), 16:15-17:15, UGent, Bjorn Poonen: (University of California at Berkeley), Shafarevich-Tate groups of non-square order
Seminar: Wednesday April 22nd (1998), UGent
14:30 Ahmed Laghribi (UCL): On the descent problem for quadratic forms
15:30 Coffee
16:00 David Lewis (University College Dublin): Annihilating polynomials revisited
17:15 Nikita Karpenko (Universitat Munster): Criteria of decomposability for degree 4 algebras with involution
Seminar: Monday April 6th, 14:30-16:30, KULeuven, Gerrit Martens (University of Erlangen): Some motivation for the study of curves of genus eight
Seminar: Wednesday December 3rd (1997), 15:00-16:00, UGent, Domenico Fiorenza (Scuola Normale superiore PISA): Grothendieck's reflections on a theorem by Belyi
Workshop: November 20th-22nd (1997) Singularity Theory (more info)
Seminar: Wednesday October 29th (1997), 15:00-16:00, KULeuven, Dr. L. Gatto (Politecnico di Torino): Divisors in M_g defined in terms of special Weierstrass points
Course: Diophantine problems for function fields over local and global fields

The following sessions took place:
October 22nd (1997), 15:00-17:30, KULeuven (J. Van Geel)
November 12th (1997), 14:30-17:00, UGent (J. Van Geel)
November 26th (1997), 14:30-17:00, UGent (K. Zahidi)
December 10th (1997), 14:30-17:00, UGent (J.Van Geel)
January 7th (1998), 14:00-17:00, KULeuven (K. Zahidi, K. Hoornaert)
January 28th (1998), 14:30-17:00, KULeuven (K.Hoornaert)
February 11th (1998), 14:30-17:00, KULeuven (K.Hoornaert)
February 25th (1998), 14:30-17:00, KULeuven (K.Hoornaert)
March 11th (1998), 14:30-17:00, UGent (J. Van Geel)
March 18th (1998), 14:30-17:00, UGent (J. Van Geel)

Seminar: Wednesday October 8th (1997), KULeuven 15:00-16:00 and 16:30-17:30, Douglas Ulmer (Univ. of Arizona and MPIM Bonn) : Congruences between modular forms, crystalline cohomology and p-adic Hodge theory

1996-1997

Seminar: Thursday June 12th (1997), KULeuven, 11:00-12:00, B.Gordon (Univ. Oklahoma): What are motives, anyway, and what are they good for?
Seminar: Wednesday June 4th (1997), KULeuven, 14:30-15:30, T. Pheidas (University of Crete): Hilbert's tenth problem and the conjecture of Mazur
Seminar: Wednesday May 7th and 21st (1997), KULeuven, 14th and 28th (1997), UGent, 14:30-17:00, M. Coppens: Rationale punten op gladde krommen van geslacht minstens 2
Seminar: Wednesday April 30th (1997), 14:30-17:00, KULeuven, W. Veys: Numerieke data van resolutie van singulariteiten, configuraties van krommen en toepassingen op lokale zetafuncties II
Seminar: Wednesday April 16th (1997), UGent, The Arithmetic of Function Fields
14:30-15:30 Ernst-Ulrich Gekeler, More about Drinfeld modular forms
15:30-16:30 Marius van der Put, A closer view at the cusps of Drinfeld modular curves
17:00-18:00 David Goss, Multi-valued functions and zeroes of L-series
Seminar: Tuesday April 15th (1997), 14:30-15:30, UGent, D. Zagier: Which primes are sums of two cubes?
Seminar:Wednesday March 5th, 19th (1997), 14:30-17:00, KULeuven, Thursday March 27th (1997), 15:00 - 17:30, KULeuven (B02.14), W. Veys: Numerieke data van resolutie van singulariteiten, configuraties van krommen en toepassingen op lokale zetafuncties
Seminar: Tuesday February 25th (1997), 15:00-17:00, UGent, S9-aud. A1, Friday February 28th (1997), 15:00-17:00, UGent, Y.I. Manin: Diophantine equations with many points
Mini course: January 21st-24th (1997), 15:00 - 17:00, KULeuven, Y.I. Manin: Mirror symmetry
Seminar: Wednesday December 4th, 11th (1996), KULeuven, Thursday December 19th (1996), UGent, H. Schoutens: Rigid Analytic Quantifier Elimination
Seminar: Wednesday October 30th (1996), November 6th and 13th (1996), 14:30 - 17:00, UGent, G. Cornelissen: The ring structure of modular forms
Seminar: Tuesday October 29th (1996), 16:00-17:00, KULeuven (room B01.07), Prof. F. Sato (Rikkyo University Tokyo): Zeta functions of prehomogeneous vector spaces and weakly spherical homogeneous spaces

	title of the lecture	lecturer	date and time	place	abtract/ slides
Seminar	Packing numbers	Halszka Tutai-Gasinska (Jagiellonian University - Polen)	November 29th, 14:30-15:15	UGent Room 14
	Plane curves with total inflection points.	Filip Cools (K.U.Leuven)	15:45-16:45
Seminar series	Tropical geometry and related topics.	Filip Cools (K.U.Leuven)	November 22nd, 13:30-16:00 and December 13th, 14:30-17:00	K.U.Leuven Room B01.05
Ph.D tbesis defence	Point counting on nondegenerate curves.	Wouter Castryck (K.U.Leuven)	November 14th, 18:00	K.U.Leuven Auditorium Arengbergkasteel
Seminar	Some surprising connections between logic and analysis	Andreas Weiermann (UGent)	November 8th, 14:30-17:00	UGent Room 14
Seminar	Recursively enumerable subsets of F_q[Z] are diophantine.	Jeroen Demeyer (UGent)	October 25th, 14:30-17:00	K.U.Leuven Room B01.05
Seminar	Rigid geometry and motivic zeta functions	Johannes Nicaise (Univ. Lille 1)	October 11th, 14:30-17:00	K.U.Leuven Room B01.05