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TCC
2010
Springer
179views Cryptology» more  TCC 2010»
15 years 6 months ago
Two Is a Crowd? A Black-Box Separation of One-Wayness and Security under Correlated Inputs
A family of trapdoor functions is one-way under correlated inputs if no efficient adversary can invert it even when given the value of the function on multiple correlated inputs. T...
Yevgeniy Vahlis
COMBINATORICS
2006
104views more  COMBINATORICS 2006»
14 years 10 months ago
Factorial Grothendieck Polynomials
In this paper, we study Grothendieck polynomials indexed by Grassmannian permutations from a combinatorial viewpoint. We introduce the factorial Grothendieck polynomials which are...
Peter McNamara
COMBINATORICS
2007
81views more  COMBINATORICS 2007»
14 years 10 months ago
The m-Colored Composition Poset
We define a partial order on colored compositions with many properties analogous to Young’s lattice. We show that saturated chains correspond to colored permutations, and that ...
Brian Drake, T. Kyle Petersen
FLOPS
2004
Springer
15 years 3 months ago
Basic Pattern Matching Calculi: a Fresh View on Matching Failure
We propose pattern matching calculi as a refinement of λ-calculus that integrates mechanisms appropriate for fine-grained modelling of non-strict pattern matching. Compared with...
Wolfram Kahl
ISAAC
2005
Springer
127views Algorithms» more  ISAAC 2005»
15 years 3 months ago
On Complexity and Approximability of the Labeled Maximum/Perfect Matching Problems
In this paper, we deal with both the complexity and the approximability of the labeled perfect matching problem in bipartite graphs. Given a simple graph G = (V, E) with n vertices...
Jérôme Monnot