### Research interest:

#### discrete mathematics, number theory

### Publication list ps , pdf

### Recent preprints

#### Transversals of additive latin squares
(with S. Dasgupta, O. Serra, and B. Szegedy) (10 pages)
ps ,
pdf

#### The Erdős-Heilbronn problem in abelian groups (12 pages)
ps ,
pdf

#### A compactness argument in the additive theory
and the polynomial method (24 pages)
ps ,
pdf

#### On restricted set addition in abelian groups (8 pages)
ps ,
pdf

#### A note on the Hopf-Stiefel function (3 pages)
ps ,
pdf

#### Erdős-Szekeres theorem with forbidden order types
(with J. Solymosi) (12 pages)
ps ,
pdf

#### Constructions from empty polygons
(with T. Bisztriczky, K. Hosono, and M. Urabe) (9 pages)
ps

#### An inverse theorem for the restricted set addition
in abelian groups (40 pages)
ps ,
pdf

#### Empty convex polygons in almost convex sets
(with G. Lippner and P. Valtr) (6 pages)
ps
pdf

#### Cauchy-Davenport theorem in group extensions (16 pages)
ps ,
pdf

#### On geometric graph Ramsey numbers
(with V. Rosta) (16 pages)
ps ,
pdf
(The original publication is available at
www.springerlink.com)

#### The cyclomatic number of connected graphs without solvable orbits
(with A. Pál) (31 pages)
ps ,
pdf

#### Periodic decomposition of integer valued functions
(with T. Keleti, G. Kós, and I.Z. Ruzsa) (15 pages)
ps ,
pdf

#### Restricted set addition: The exceptional case of the
Erdős-Heilbronn conjecture (9 pages)
ps ,
pdf

#### Balanced subset sums in dense sets of integers (13 pages)
ps ,
pdf

#### Incidence geometry in combinatorial arithmetic. In memoriam
György Elekes (7 pages)
ps ,
pdf

#### Remarks to Arsovski's proof of Snevily's conjecture
(with G. Harcos and G. Kós) (5 pages)
ps ,
pdf

#### Erdős-Szekeres theorem for point sets with forbidden subconfigurations
(with G. Tóth) (15 pages)
ps ,
pdf

#### A simple proof of the Zeilberger-Bressoud q-Dyson theorem
(with Z.L. Nagy) (4 pages)
ps ,
pdf

###
Algebraic and Combinatorial Methods in the Theory of Set Addition (105 pages)
ps ,
pdf

#### Dissertation for the D.Sc. degree of the Hungarian Academy of Sciences

###
Theses of the Dissertation (16 pages)
ps ,
pdf

#### Wintersemester 2001/02

### Lectures on Extremal Set Systems and Two-Colourings of Hypergraphs ps , pdf

#### A series of lectures I gave in 1992 and 1993 at the University of Naples and at the University of East Anglia, Norwich within the framework of a TEMPUS project.

### Decomposition of convex polytopes into simplices ps , pdf

#### A joint paper with L. Lovász (1991) that we decided not to publish since were informed that similar results had been obtained and published before by A. Varchenko, J. Lawrence and P. Filliman.

Photos: courtesy of Michel las Vergnas and Miki Simonovits

##### Last modified: April 8, 2011

##### Special thanks to Emil
W. Kiss, István
Ágoston,
and a very kind student of mine who wished to remain anonymous