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» On Proofs in System P
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CCGRID
2003
IEEE
15 years 11 months ago
DKS (N, k, f): A Family of Low Communication, Scalable and Fault-Tolerant Infrastructures for P2P Applications
In this paper, we present DKS(N, k, f), a family of infrastructures for building Peer-To-Peer applications. Each instance of DKS(N, k, f) is a fully decentralized overlay network ...
Luc Onana Alima, Sameh El-Ansary, Per Brand, Seif ...
EDBT
2009
ACM
118views Database» more  EDBT 2009»
15 years 10 months ago
Flower-CDN: a hybrid P2P overlay for efficient query processing in CDN
Many websites with a large user base, e.g., websites of nonprofit organizations, do not have the financial means to install large web-servers or use specialized content distributi...
Manal El Dick, Esther Pacitti, Bettina Kemme
STOC
1994
ACM
123views Algorithms» more  STOC 1994»
15 years 10 months ago
Natural proofs
Razborov and Rudich have shown that so-called natural proofs are not useful for separating P from NP unless hard pseudorandomnumber generators do not exist. This famous result is ...
Alexander A. Razborov, Steven Rudich
COMBINATORICS
2006
155views more  COMBINATORICS 2006»
15 years 6 months ago
Orthogonal Art Galleries with Holes: A Coloring Proof of Aggarwal's Theorem
We prove that n+h 4 vertex guards are always sufficient to see the entire interior of an n-vertex orthogonal polygon P with an arbitrary number h of holes provided that there exis...
Pawel Zylinski
BSL
2007
53views more  BSL 2007»
15 years 6 months ago
Fragment of Nonstandard Analysis with a Finitary Consistency Proof
We introduce a nonstandard arithmetic NQA− based on the theory developed by R. Chuaqui and P. Suppes in [2] (we will denote it by NQA+ ), with a weakened external open minimizati...
Michal Rössler, Emil Jerábek