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» Some results for a class of generalized polynomials
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PODS
2011
ACM
220views Database» more  PODS 2011»
14 years 4 months ago
Maximizing conjunctive views in deletion propagation
In deletion propagation, tuples from the database are deleted in order to reflect the deletion of a tuple from the view. Such an operation may result in the (often necessary) del...
Benny Kimelfeld, Jan Vondrák, Ryan Williams
IACR
2011
162views more  IACR 2011»
14 years 1 months ago
The Parazoa Family: Generalizing the Sponge Hash Functions
Abstract. Sponge functions were introduced by Bertoni et al. as an alternative to the classical MerkleDamg˚ard design. Many hash function submissions to the SHA-3 competition laun...
Elena Andreeva, Bart Mennink, Bart Preneel
ISSAC
2007
Springer
177views Mathematics» more  ISSAC 2007»
15 years 8 months ago
Component-level parallelization of triangular decompositions
We discuss the parallelization of algorithms for solving polynomial systems symbolically by way of triangular decompositions. We introduce a component-level parallelism for which ...
Marc Moreno Maza, Yuzhen Xie
COCO
2005
Springer
77views Algorithms» more  COCO 2005»
15 years 7 months ago
On the Sensitivity of Cyclically-Invariant Boolean Functions
In this paper we construct a cyclically invariant Boolean function whose sensitivity is Θ(n1/3 ). This result answers two previously published questions. Tur´an (1984) asked if ...
Sourav Chakraborty
ICDT
2009
ACM
173views Database» more  ICDT 2009»
16 years 2 months ago
Containment of conjunctive queries on annotated relations
We study containment and equivalence of (unions of) conjunctive queries on relations annotated with elements of a commutative semiring. Such relations and the semantics of positiv...
Todd J. Green