ÿþ<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD><TITLE>home page of Gerzson Kéri</TITLE> <META http-equiv=Content-Type content="text/html; charset=windows-1250"> <META content=Gerzson name=Author> <META content="MSHTML 6.00.2900.2802" name=GENERATOR></HEAD> <BODY text=#000000 vLink=#9900cc link=#9900cc bgColor=#ffffff> <HR width="100%"><IMG height=72 src="kerig.jpg" width=54 align=left border=0> <FONT color=#00b080><B><I> Gerzson Kéri (Budapest, Hungary) senior researcher <BR>keri@sztaki.hu<BR>http://www.sztaki.hu/~keri</I></B></FONT><BR> <HR width="100%"> <A href="http://www.sztaki.hu/?en">Computer and Automation Research Institute of the Hungarian Academy of Sciences</A> <BR> <A href="http://www.emi.sztaki.hu/index.php?lang=en">Laboratory on Engineering & Management Intelligence</A> <BR> <A href="http://www.oplab.sztaki.hu">Research Group of Operations Research and Decision Systems</A><BR><BR> <FONT size=-1> <a href="index.htm"><SUP>English version </SUP><img SRC="english.gif" BORDER=0 height=19 width=40></a><a href="indexhu.htm"><SUP>Hungarian version </SUP> <img SRC="magyar.gif" BORDER=0 height=19 width=40></a></FONT> <UL> <LI>The following two papers were presented at the 19th International Symposium on Mathematical Theory of Networks and Systems, Budapest, Hungary, 5-9 July 2010:<BR> <UL> <BR> <LI>Classification Results for Non-Mixed and Mixed Optimal Covering Codes: a Survey <A href="codes/survey-present.pdf">Presentation</A> <A href="codes/survey.pdf">Full paper</A> <LI>On the Normality of (Non-Mixed and Mixed) Optimal Covering Codes <A href="codes/normality-present.pdf">Presentation</A> <A href="codes/normality.pdf">Full paper</A> </UL> <BR> <LI>Publications: 1. Most recent papers:<BR><BR> <UL> <LI> <A href="http://dx.doi.org/10.1007/s10479-011-1030-0">G. Kéri and T. Szántai, Combinatorial results on the fitting problems of the multivariate gamma distribution introduced by Prékopa and Szántai, Annals of Operations Research (Special Volume: Stochastic Modeling and Optimization - Dedicated to the 80th Birthday of Professor András Prékopa), doi: 10.1007/s10479-011-1030-0</A><BR><BR> <LI> <A href="http://dx.doi.org/10.1007/s10100-010-0138-7">G. Kéri, On qualitatively consistent, transitive and contradictory judgment matrices emerging from multiattribute decision procedures, CEJOR (2010), doi: 10.1007/s10100-010-0138-7</A><BR><BR> <LI> <A href="http://dx.doi.org/10.1016/j.dam.2010.03.008">C.J. Colbourn, G. Kéri, P.P. Rivas Soriano and J.-C. Schlage-Puchta, Covering and Radius-covering Arrays: Constructions and Classification, Discrete Applied Mathematics 158(2010)1158-1180</A><BR> </UL> <BR><LI>Publications: 2. Earlier papers (selection):<BR> <UL> <BR><LI>On the minimization of the general entropy function on a convex set, Alkalmazott Matematikai Lapok 4(1978)95-108 (in Hungarian). <A href="publ/ent/entrop.htm">Translation from Hungarian to English.</A> <BR><BR><LI>The Sherman-Morrison formula for the determinant and its application for optimizing quadratic functions on condition sets given by extreme generators, in: Optimization Theory (Mátraháza, 1999)(eds: F. Giannessi, P. Pardalos and T. Rapcsák), Appl. Optim., 59, Kluwer Acad. Publ., Dordrecht, 2001, 119-138. <A href="publ/ext/dupl0.htm">Long version with computational results.</A> <BR><BR><LI>The Number of Inequivalent (2R+3,7)R Optimal Covering Codes <A href="paper_keri_ostergard.ps">[Postsript]</A> <A href="pdf_paper_keri_ostergard.pdf">[PDF]</A>, G. K&eacute;ri and P. R. J. &Ouml;sterg&#229;rd, J. Integer Seq. 9(2006) 06.4.7. </UL> <BR><LI>Publications: 3. Web tables:<BR> <UL> <BR><LI><A href="http://www.sztaki.hu/~keri/codes/index.htm">Tables for bounds on covering codes - Last modified: 2011.11.21.</A><BR><BR> <LI><A href="http://www.sztaki.hu/~keri/n-arcs/index.htm">Tables for n-arcs and lists for complete n-arcs in PG(r,q) - Last modified: 2009.12.08.</A><BR> <UL><LI><A href="http://www.sztaki.hu/~keri/n-arcs/generator.pdf">A downloadable computer program for generating n-arcs</A></UL><BR> <LI><A href="http://www.sztaki.hu/~keri/math/index.htm"> Tables for sums of powers and some other tables of elementary mathematics</A> </UL> <BR><LI><A href="http://www.sztaki.hu/~keri/Publications_en.pdf">Link to the list of my all publications</A> <BR> <BR><LI><A href="http://www.infres.enst.fr/~lobstein/biblio.html">Link to the bibliography of publications related to covering radius, prepared and maintained by A. Lobstein</A> </UL></BODY></HTML>