Andras Gacs (1969-2009)

Homepage of András Gács (1969-2009) magyar változat

Department of Computer Science Eötvös University

Pázmány Péter sétány 1/C, Room 3-616
H-1117 Budapest
Hungary
E-mail: gacs@cs.elte.hu
Fax: +36-1-381-2156
Phone: +36-1-3722700/8604

Research Interests finite geometries, algebraic methods in combinatorics, polynomials over finite fields

Finite geometry seminar Bolyai College

Information for my students: see the Hungarian version

Online papers

On (k,6) graphs arising from projective planes (with T. Héger and Zs. Weiner), preprint. pdf
Permutations, hyperplanes and polynomials over finite fields (with T. Héger, L.Z. Nagy and D. Pálvölgyi), preprint. ps pdf
If a linear code has an extension, then it also has a linear extension (with T. Alderson), Designs, Codes and Cryptography, 53/1 (2009), 59-68. ps pdf
On the graph of a function over a prime field whose small powers have bounded degree (with S. Ball), European Journal of Combinatorics, 30 (2009) 1575-1584. ps pdf
Directions in AG(2,p^2) (with L. Lovász and T. Szõnyi), Innovations in Incidence Geometry, 6/7 189-201 (2009). ps pdf
On geometric constructions of (k,g)-graphs (with T. Héger), Contributions to Discrete Mathematics, 3 (2008) 63-80. dvi pdf
Complete (q^2-1)-arcs of Q(4,q) (with J. De Beule), Finite Fields and Their Applications, 14 (2008) 14-21. ps pdf
On linear combinations of permutation polynomials that are permutation polynomials (with S. Ball, P. Sziklai), Journal of Combinatorial Theory Ser. A 115 (2008) 505-516. ps pdf
On linear codes whose weights and length have a common divisor (with S. Ball, A. Blokhuis, P. Sziklai and Zs. Weiner), Advances in Mathematics, 211 (2007) 94-104. ps pdf
Random constructions and density results (with T. Szőnyi), Designs, Codes and Cryptography, 47 (2007) 267-287. ps pdf
On regular semiovals in PG(2,q), Journal of Algebraic Combinatorics 23 (2006) 71-77. ps pdf
On large minimal blocking sets (with A. Cossidente, Cs. Mengyán, A. Siciliano, T. Szõnyi and Zs.Weiner), Journal of Combinatorial Designs 13 (2005) 25-41. ps
On the spectrum of minimal blocking sets in PG(2,q) (with T. Szõnyi and Zs. Weiner), Journal of Geometry 76 (2003) 256-281. ps
On maximal partial spreads in PG(n,q) (with T. Szõnyi), Design, Codes and Criptography 29 (2003) 123-129. ps pdf
On (q+t,t) arcs of type (0,2,t) (with Zs. Weiner), Designs, Codes and Cryptography 29 (2003) 131-139. ps pdf
On a generalization of Rédei's theorem, Combinatorica 23/4 (2003) 585-598. ps pdf
The Rédei method applied to finite geometry (Ph.D. Thesis), ELTE (1997). dvi
On the size of the smallest non-classical blocking set of Redei type in PG(2,p), Journal of Combinatorial Theory Ser. A. 89 (2000) 43-54. ps pdf
On the structure of a generalization of weakly associative lattices (with P. Sziklai), Ars Combinatoria 62 (2002) 221-226. ps pdf
On the number of directions determined by a point set in AG(2,p), Discrete mathematics 208/209 299-309.
A remark on blocking sets of almost Rédei type, Journal of Geometry 60 (1997) 65-73.
Two remarks on blocking sets and nuclei in planes of prime order (with: P. Sziklai, T. Szõnyi), Designs , Codes and Cryptography 10 (1997) 29-39.

Some useful links

Tamás Szõnyi               Simeon Ball             Tamás Héger
Péter Sziklai                 Aart Blokhuis         Péter Csíkvári
Zsuzsa Weiner             Jan De Beule

Some interesting links

Borbála Gács Riddles Chess Bridge Lap swimming Széchenyi Zsigmond

Ez egy teszt