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JCT
2006
52views more  JCT 2006»
13 years 7 months ago
Further combinatorial constructions for optimal frequency-hopping sequences
Frequency-hopping multiple-access (FHMA) spread spectrum communication systems employing multiple frequency shift keying as data modulation technique were investigated by Fuji-Har...
Gennian Ge, Ryoh Fuji-Hara, Ying Miao
AML
2005
65views more  AML 2005»
13 years 7 months ago
Middle diamond
Under certain cardinal arithmetic assumptions, we prove that for every large enough regular cardinal, for many regular < , many stationary subsets of concentrating on cofinali...
Saharon Shelah
JASIS
2007
83views more  JASIS 2007»
13 years 7 months ago
Dynamic h-index: The Hirsch index in function of time
When we have a group of papers and when we fix the present time we can determine the unique number h being the number of papers that received h or more citations while the other p...
Leo Egghe
TOCL
2008
128views more  TOCL 2008»
13 years 7 months ago
A comprehensive combination framework
fragment enjoys suitable noetherianity conditions and admits an abstract version of a `KeislerShelah like' isomorphism theorem. We show that this general decidability transfer...
Silvio Ghilardi, Enrica Nicolini, Daniele Zucchell...
ACS
2004
13 years 7 months ago
Descent Theory for Schemes
In this paper we continue the investigation of some aspects of descent theory for schemes that was begun in [11]. Let SCH be a category of schemes. We show that quasi-compact pure ...
Bachuki Mesablishvili