Sorry for possible cross-posting Dear Academic Community, In March 2007 Yuri Matiyasevich will be 60. In addition to his outstanding scientific achievements, Yuri Matiyasevich was the editor of several issues of the journal "Zapiski Nauchnykh Seminarov POMI" ("Notes of Mathematical Seminars of St.Petersburg Department of V.A.Steklov Institute of Mathematics"). He remains an active author of our journal until now. We decided to devote the next issue of the journal to Yuri Matiyasevich. Please find the call for papers below. We will be grateful if you distribute this call for papers among your colleagues. The deadline is set to May 10, 2007. ****** If you are unable to meet the deadline ****** but strongly wish to contribute, please communicate a more appropriate date and an abstract to any of the editors at the addresses listed below. We have a tight schedule for the publication process (see below). Faithfully yours, Anatol Slissenko and Maxim Vsemirnov %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% CALL FOR PAPERS Notes of Mathematical Seminars of St.Petersburg Department of V.A.Steklov Institute of Mathematics http://www.pdmi.ras.ru/znsl/index.html Subseries: Studies in Constructive Mathematics and Mathematical Logic. Issue XI TOPICS. Papers (either describing an original research or surveying a topic) are solicited in all areas related to the interests of Yuri Matiyasevich. They include (but not limited to) all aspects of the mathematical logic, Diophantine equations and discrete mathematics. LANGUAGES. Submissions can be made either in English or in Russian. TRANSLATION AND PUBLICATION. The issue containing the original papers will appear in the printed form as well as on the Web. English translations (or original papers, for papers submitted in English) will later appear in Journal of Mathematical Sciences published by Springer. SUBMISSION and other contacts. Please send your Postscript or PDF file to either of the editors: Anatol Slissenko slissenko@univ-paris12.fr Maxim Vsemirnov vsemir@pdmi.ras.ru IMPORTANT DATES. Submission: by May 10, 2007. First referee reports: July-August 2007. Revised (final) version if needed: August-September 2007. Final decision: October 2007. Publication: November 2007.