Lorentz Center

Workshop Diophantine Approximation


Pdf-file with submitted abstracts
Postscript-file with submitted abstracts

All lectures of the workshop take place in room 201 of the Lorentz Center.
(Practical details are at the bottom of this page .)
Monday July 28
09:30-10:15  Registration in Common Room
10:15-10:45 T. Rivoal (Caen): Multiple integrals and multi-polylogarithms.
10:45-11:15 Coffee break
11:15-11:45 V. Zudilin (Köln): New irrationality measures for q-logarithms.
11:45-12:15 P. Bundschuh (Köln): Algebraic independence of elements from Cp over Qp.
12:30-13:30 Lunch
15:00-15:45 T.N. Shorey (Bombay): A conjecture of Erdös on powers in products of integers in 
arithmetic progression.
15:45-16:00 Tea break
16:00-16:30 L. Hajdu (Debrecen): Almost perfect powers in products of consecutive terms 
from an arLithmetic progression.
16:30-17:00 Yu. Bilu (Bordeaux): Erdös-Selfridge translated.
17:00-19:00 Wine and Cheese party in the Common Room

Tuesday July 29
09:30-10:15 Yu. Nesterenko (Moscow): Multiplicity estimates in transcendence theory.
10:25-10:55 K. Yu (Hong Kong): New progress in the theory of p-adic logarithmic forms.
10:55-11:15 Coffee break
11:15-11:45 N. Hirata-Kohno (Tokyo): Linear forms in p-adic elliptic logarithms.
11:45-12:15 A.J. van der Poorten (Killara): Continued fractions and multiples of a point on an 
elliptic curve.
12:30-13:30 Lunch 
15:15-15:45 N. Bruin (Sydney): Smooth plane quartics and the arithmetic of their 
Prym varieties.
15:45-16:15 D. Roy (Ottawa): Approximation to real numbers by cubic algebraic integers.
16:15-16:30 Tea break
16:30-17:00 Y. Bugeaud (Strasbourg): Exponents of Diophantine approximation.
17:00-17:30 M. Laurent (Marseille): Diophantine properties of Sturmian type numbers.

Wednesday July 30
Special  symposium  in honour of Robert Tijdeman (De Sitter lecture hall)
Evening:  Conference dinner 
Restaurant  De Engelberthahoeve (Hoge Morsweg 140) Leiden

Thursday July 31
09:30-10:15 K. Györy (Debrecen): On the Diophantine equation 1k+...+xk=yn.
10:25-10:55 Cs. Rakaczki (Debrecen): On the Diophantine equation F(bin(x,n))=b.bin(y,m).
10:55-11:15 Coffee break
11:15-11:45 C. Fuchs (Graz): Diophantine inequalities involving several power sums.
11:45-12:15 P. Corvaja (Udine): On a generalization of the Subspace Theorem and a 
generalization of Thue equations.
12:30-13:30 Lunch 

Thursday afternoon is free.

Friday August 1
09:30-10:15 M. Ru (Houston): Diophantine approximation and Nevanlinna theory.
10:25-10:55 G. Rémond (Grenoble): Intersecting curves and algebraic groups.
10:55-11:15 Coffee break
11:15-11:45 S. David (Paris): On the heights of points on subvarieties of multiplicative 
11:45-12:15 A. Pethö (Debrecen): Application of decomposable form functions in cryptography.
12:30-13:30 Lunch 
15:15-15:45 R. Okazaki (Kyotanabe): A sharp upper bound on the numbers of solutions of 
certain quartic Thue equations.
15:45-16:15 A. Biró (Budapest): Zeta functions for ideal classes of real quadratic 
fields at s=0.
16:15-16:30 Tea break
16:30-17:00 P. Olajos (Debrecen): Recent results on power integral bases of composite fields.
17:00-17:30 I. Jarasi (Debrecen): Computing the small solutions of unit equations with 
an application to resultant form equations.
Saturday August 2
09:30-10:15 D. Brownawell (University Park): Independence over function fields.
10:25-10:55 A. Bérczes (Debrecen): On the number of equivalence classes of binary forms 
with given discriminant and degree.
10:55-11:15 Coffee break
11:15-11:45 A. Schinzel (Warsaw): On vectors whose span contains a given linear subspace.
11:45-12:15 M. Bennett (Vancouver): Rational torsion subgroups of elliptic curves in 
short Weierstrass form.
12:30-13:30 Lunch at hotel `Het Witte Huis' in Oegstgeest
Saturday afternoon is free.

Lecture room 201 is on floor 2 (third floor in English counting...) of the Lorentz Center. 
The De Sitter lecture hall is on the ground floor.
Registration and social activities are in the Common Room of the Lorentz Center (floor 3).
Coffee breaks are also in the Common Room.
Lunches are in the canteen on the ground floor of the Oort Building (unless stated otherwise).
The Lorentz Center is on floor 3 of the Oort Building.

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