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ALGORITHMICA
2008
111views more  ALGORITHMICA 2008»
13 years 6 months ago
Fixed-Parameter Complexity of Minimum Profile Problems
The profile of a graph is an integer-valued parameter defined via vertex orderings; it is known that the profile of a graph equals the smallest number of edges of an interval supe...
Gregory Gutin, Stefan Szeider, Anders Yeo
CJ
2006
123views more  CJ 2006»
13 years 6 months ago
Unconditionally Secure Anonymous Encryption and Group Authentication
Anonymous channels or similar techniques that can achieve sender's anonymity play important roles in many applications. However, they will be meaningless if cryptographic prim...
Goichiro Hanaoka, Junji Shikata, Yumiko Hanaoka, H...
CORR
2006
Springer
120views Education» more  CORR 2006»
13 years 6 months ago
On the Role of Shared Entanglement
Despite the apparent similarity between shared randomness and shared entanglement in the context of Communication Complexity, our understanding of the latter is not as good as of ...
Dmitry Gavinsky
ENDM
2002
86views more  ENDM 2002»
13 years 6 months ago
Light Paths in Large Polyhedral Maps with Prescribed Minimum Degree
Let k be an integer and M be a closed 2-manifold with Euler characteristic (M) 0. We prove that each polyhedral map G on M with minimum degree and large number of vertices conta...
Stanislav Jendrol, Heinz-Jürgen Voss
STOC
2010
ACM
224views Algorithms» more  STOC 2010»
13 years 10 months ago
Satisfiability Allows No Nontrivial Sparsification Unless The Polynomial-Time Hierarchy Collapses
Consider the following two-player communication process to decide a language L: The first player holds the entire input x but is polynomially bounded; the second player is computa...
Holger Dell and Dieter van Melkebeek