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JSYML
2011
89views more  JSYML 2011»
12 years 8 months ago
Forcing properties of ideals of closed sets
With every σ-ideal I on a Polish space we associate the σ-ideal I∗ generated by the closed sets in I. We study the forcing notions of Borel sets modulo the respective σ-ideals...
Marcin Sabok, Jindrich Zapletal
MST
2006
96views more  MST 2006»
13 years 5 months ago
Juggling with Pattern Matching
In the late eighties, it was shown that juggling patterns can be described by strings of numbers with fascinating combinatorial properties that have since then been studied by man...
Jean Cardinal, Steve Kremer, Stefan Langerman
JSYML
2008
98views more  JSYML 2008»
13 years 5 months ago
Combinatorial images of sets of reals and semifilter trichotomy
Using a dictionary translating a variety of classical and modern covering properties into combinatorial properties of continuous images, we get a simple way to understand the inter...
Boaz Tsaban, Lyubomyr Zdomskyy
IJFCS
2006
81views more  IJFCS 2006»
13 years 5 months ago
Combinatorial Properties of Sturmian Palindromes
We study some structural and combinatorial properties of Sturmian palindromes, i.e., palindromic finite factors of Sturmian words. In particular, we give a formula which permits t...
Aldo de Luca, Alessandro De Luca
EJC
2008
13 years 5 months ago
Partitions and Clifford algebras
Given the set [n] = {1, . . . , n} for positive integer n, combinatorial properties of Clifford algebras are exploited to count partitions and nonoverlapping partitions of [n]. Th...
René Schott, G. Stacey Staples
DNA
2004
Springer
146views Bioinformatics» more  DNA 2004»
13 years 10 months ago
Partial Words for DNA Coding
A very basic problem in all DNA computations is finding a good encoding. Apart from the fact that they must provide a solution, the strands involved should not exhibit any undesir...
Peter Leupold