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CIE
2007
Springer
15 years 7 months ago
Post's Problem for Ordinal Register Machines
We study Post’s Problem for the ordinal register machines defined in [6], showing that its general solution is positive, but that any set of ordinals solving it must be unbounde...
Joel David Hamkins, Russell G. Miller
CSL
2007
Springer
15 years 5 months ago
Logical Refinements of Church's Problem
Abstract. Church's Problem (1962) asks for the construction of a procedure which, given a logical specification on sequence pairs, realizes for any input sequence X an output...
Alexander Rabinovich, Wolfgang Thomas
AAIM
2010
Springer
155views Algorithms» more  AAIM 2010»
15 years 4 months ago
The (K, k)-Capacitated Spanning Tree Problem
Abstract. This paper considers a generalization of the capacitated spanning tree, in which some of the nodes have capacity K, and the others have capacity k < K. We prove that t...
Esther M. Arkin, Nili Guttmann-Beck, Refael Hassin
IJFCS
2008
121views more  IJFCS 2008»
15 years 1 months ago
Reachability Problems in Low-Dimensional Iterative Maps
In this paper we analyse the dynamics of one-dimensional piecewise maps (PAMs). We show that one-dimensional PAMs are equivalent to pseudo-billiard or so called "strange billi...
Oleksiy Kurganskyy, Igor Potapov, Fernando Sancho-...
COMPUTING
2008
174views more  COMPUTING 2008»
15 years 1 months ago
Multilevel algorithms for Rannacher-Turek finite element approximation of 3D elliptic problems
Generalizing the approach of a previous work [15] the authors present multilevel preconditioners for three-dimensional (3D) elliptic problems discretized by a family of Rannacher ...
Ivan Georgiev, Johannes Kraus, Svetozar Margenov