151
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APPML
2011
14 years 11 months ago
2011
Zykov designed one of the oldest known family of triangle-free graphs with arbitrarily high chromatic number. We determine the fractional chromatic number of the Zykov product of ...
124
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APPML
2011
14 years 11 months ago
2011
We propose a general method to obtain the representation of solutions for linear fractional order differential equations based on the theory of (a, k)-regularized families of oper...
124
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APPML
2011
14 years 11 months ago
2011
This article shows that, so called, general Green-Taylor solutions, also called Taylor solutions or eddy solutions of the 2d Navier Stokes equations are also exact solutions to app...
148
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APAL
2011
14 years 11 months ago
2011
We define a new NP search problem, the “local improvement” principle, about labellings of an acyclic, bounded-degree graph. We show that, provably in PV, it characterizes the...
221
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APAL
2011
14 years 11 months ago
2011
The terms of the upper and lower central series of a nilpotent computable group have computably enumerable Turing degree. We show that the Turing degrees of these terms are indepe...
154
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APAL
2011
14 years 11 months ago
2011
We develop the theory of domination by stable types and stable weight in an arbitrary theory.