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FUIN
2008
80views more  FUIN 2008»
15 years 4 months ago
An Algorithmic Solution of a Birkhoff Type Problem
We give an algorithmic solution in a simple combinatorial data of Birkhoff s type problem studied in [14], for the category repft(I, K[t]/(tm)) of filtered I-chains of modules over...
Daniel Simson, Mariusz Wojewódzki
CORR
2006
Springer
121views Education» more  CORR 2006»
15 years 4 months ago
Elgot Algebras
Denotational semantics can be based on algebras with additional structure (order, metric, etc.) which makes it possible to interpret recursive specifications. It was the idea of El...
Jirí Adámek, Stefan Milius, Jiri Vel...
DISOPT
2006
101views more  DISOPT 2006»
15 years 4 months ago
Greedy-type resistance of combinatorial problems
This paper gives a sufficient condition for a combinatorial problem to be greedy-type-resistant, i.e. such that, on some instances of the problem, any greedy-type algorithm will o...
Gareth Bendall, François Margot
BSL
2007
60views more  BSL 2007»
15 years 4 months ago
Inner Models and Ultrafilters in L(R)
We present a characterization of supercompactness measures for ω1 in L(R), and of countable products of such measures, using inner models. We give two applications of this charact...
Itay Neeman
108
Voted
JCT
2008
57views more  JCT 2008»
15 years 4 months ago
Partially directed paths in a wedge
The enumeration of lattice paths in wedges poses unique mathematical challenges. These models are not translationally invariant, and the absence of this symmetry complicates both ...
E. J. Janse van Rensburg, T. Prellberg, A. Rechnit...