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JSYML
2010
58views more  JSYML 2010»
13 years 6 months ago
On Tao's "finitary" infinite pigeonhole principle
In 2007, Terence Tao wrote on his blog an essay about soft analysis, hard analysis and the finitization of soft analysis statements into hard analysis statements. One of his main ...
Jaime Gaspar, Ulrich Kohlenbach
AMAI
2005
Springer
13 years 11 months ago
Resolution cannot polynomially simulate compressed-BFS
Many algorithms for Boolean satisfiability (SAT) work within the framework of resolution as a proof system, and thus on unsatisfiable instances they can be viewed as attempting to...
DoRon B. Motter, Jarrod A. Roy, Igor L. Markov
APAL
2008
84views more  APAL 2008»
13 years 11 months ago
Resolution over linear equations and multilinear proofs
We develop and study the complexity of propositional proof systems of varying strength extending resolution by allowing it to operate with disjunctions of linear equations instead ...
Ran Raz, Iddo Tzameret
TAMC
2007
Springer
14 years 5 months ago
Finding a Duplicate and a Missing Item in a Stream
We consider the following problem in a stream model: Given a sequence a = a1, a2, . . . , am wich each ai ∈ [n] = {1, . . . , n} and m > n, find a duplicate in the sequence, ...
Jun Tarui