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DAGSTUHL
2007
13 years 11 months ago
Model equivalence of PRISM programs
The problem of deciding the probability model equivalence of two PRISM programs is addressed. In the finite case this problem can be solved (albeit slowly) using techniques from a...
James Cussens
AML
2007
95views more  AML 2007»
13 years 10 months ago
Complexity of admissible rules
We investigate the computational complexity of deciding whether a given inference rule is admissible for some modal and superintuitionistic logics. We state a broad condition unde...
Emil Jerábek
DAM
2006
66views more  DAM 2006»
13 years 10 months ago
Positivity of second order linear recurrent sequences
We give an elementary proof for the Positivity Problem for second order recurrent sequences: it is decidable whether or not a recurrent sequence defined by un = aun-1 + bun-2 has ...
Vesa Halava, Tero Harju, Mika Hirvensalo
IPL
2008
79views more  IPL 2008»
13 years 10 months ago
Ski rental with two general options
We define and solve a simple extension of the ski-rental problem [4]. In the classical version, the algorithm needs to decide when to switch from renting to buying. In our version...
Zvi Lotker, Boaz Patt-Shamir, Dror Rawitz
ECCC
2007
109views more  ECCC 2007»
13 years 10 months ago
Logic, Graphs, and Algorithms
Algorithmic meta theorems are algorithmic results that apply to whole families of combinatorial problems, instead of just specific problems. These families are usually defined i...
Martin Grohe