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» A Computable Spectral Theorem
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POPL
2008
ACM
16 years 4 months ago
The intensional content of Rice's theorem
The proofs of major results of Computability Theory like Rice, Rice-Shapiro or Kleene's fixed point theorem hide more information of what is usually expressed in their respec...
Andrea Asperti
FOCS
2006
IEEE
15 years 10 months ago
On a Geometric Generalization of the Upper Bound Theorem
We prove an upper bound, tight up to a factor of 2, for the number of vertices of level at most in an arrangement of n halfspaces in Rd , for arbitrary n and d (in particular, the...
Uli Wagner
ACCV
2006
Springer
15 years 10 months ago
Interpreting Sphere Images Using the Double-Contact Theorem
An occluding contour of a sphere is projected to a conic in the perspective image, and such a conic is called a sphere image. Recently, it has been discovered that each sphere imag...
Xianghua Ying, Hongbin Zha
RANDOM
1997
Springer
15 years 8 months ago
A Combinatorial Consistency Lemma with Application to Proving the PCP Theorem
The current proof of the PCP Theorem (i.e., NP = PCP(log, O(1))) is very complicated. One source of difficulty is the technically involved analysis of low-degree tests. Here, we r...
Oded Goldreich, Shmuel Safra
BIRTHDAY
2007
Springer
15 years 8 months ago
Applying a Theorem Prover to the Verification of Optimistic Replication Algorithms
Abstract. The Operational Transformation (OT) approach is a technique for supporting optimistic replication in collaborative and mobile systems. It allows the users to concurrently...
Abdessamad Imine, Michaël Rusinowitch