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TIT
2002
87views more  TIT 2002»
13 years 7 months ago
Coding theorems for turbo code ensembles
This paper is devoted to a Shannon-theoretic study of turbo codes. We prove that ensembles of parallel and serial turbo codes are "good" in the following sense. For a tur...
Hui Jin, Robert J. McEliece
LPAR
2010
Springer
13 years 6 months ago
Generating Counterexamples for Structural Inductions by Exploiting Nonstandard Models
Induction proofs often fail because the stated theorem is noninductive, in which case the user must strengthen the theorem or prove auxiliary properties before performing the induc...
Jasmin Christian Blanchette, Koen Claessen
ENTCS
2010
130views more  ENTCS 2010»
13 years 5 months ago
Structural Operational Semantics and Modal Logic, Revisited
A previously introduced combination of the bialgebraic approach to structural operational semantics with aic modal logic is re-examined and improved in some aspects. Firstly, a mo...
Bartek Klin
IGPL
2008
124views more  IGPL 2008»
13 years 7 months ago
The Ricean Objection: An Analogue of Rice's Theorem for First-order Theories
We propose here an extension of Rice's Theorem to first-order logic, proven by totally elementary means. If P is any property defined over the collection of all first-order t...
Igor Carboni Oliveira, Walter Alexandre Carnielli
JGAA
2002
74views more  JGAA 2002»
13 years 7 months ago
Realization of Posets
We prove a very general representation theorem for posets and, as a corollary, deduce that any abstract simplicial complex has a geometric realization in the Euclidean space of di...
Patrice Ossona de Mendez