**Robert Tichy** (Technische Universität Graz):

Applications of the Subspace theorem to combinatorial problems

October 29, 2008

**Bernadin Ibrahimpasic:**
On Worley's theorem in Diophantine approximations

November 5, 2008

**Stipe Vidak:** Torsion groups for special elliptic curves

November 12, 2008

**Günter Lettl** (Karl-Franzens-Universität Graz):

Polynomial parametrization of the solutions of certain Diophantine equations

November 12, 2008

**Mirela Ostroski:** Elliptic curves in characteristic 2 and 3

November 19, 2008

**Andrej Dujella:** Rational Diophantine sextuples

February 4, 2009

**Sinisa Slijepcevic:** Van der Corput sets of integers

February 11, 2009

**Florian Luca** (Mathematical Institute of UNAM, Morelia, Mexico):

Variants of a problem of Erdös and Romanov

February 25, 2009

**Tomislav Pejkovic:** Irrationality of values of the Riemann zeta function

March 18, 2009

**Vinko Petricevic:** Periodic continued fractions

April 1, 2009

**Vinko Petricevic:** Continued fractions with long period

April 8, 2009

**Volker Ziegler** (Technische Universität Graz):

Additive structure of S-units

April 22, 2009

**Filip Najman:** Elliptic curves over **Q**(*i*)

April 29, 2009

**László Tóth** (University of Pécs):

Arithmetic convolutions

May 6, 2009

**Yann Bugeaud** (Université Louis Pasteur, Strasbourg):

Polynomial root separation

May 27, 2009

**Alan Filipin:** Unique extension of a twoparametric family of *D*(4)-triples

June 3, 2009

**Ksenija Smoljak:** Koblitz curves

July 1, 2009

**Mirta Mataija:** Ranks of twists of elliptic curves I

September 9, 2009

**Zeljko Gregorovic:** Computing canonical heights on elliptic curves

September 9, 2009

**Mirta Mataija:** Ranks of twists of elliptic curves II

September 16, 2009

**Marina Nincevic:** Fermat Last Theorem for even exponents

September 16, 2009

**Miljen Mikic:** Characterization of torsion groups for curves of the form
*y*^{2} = *x*(*x+M*)(*x+N*)

September 16, 2009

**Andrea Svob:** Edwards coordinates for elliptic curves

September 23, 2009

**Loredana Simcic:** Addition and multiplication in Edwards coordinates; comparison with other coordinates

September 23, 2009

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