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» Interpolation of Shifted-Lacunary Polynomials
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65
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AMC
2010
86views more  AMC 2010»
15 years 15 days ago
On properties of cell matrices
In this paper properties of cell matrices are studied. A determinant of such a matrix is given in a closed form. In the proof a general method for determining a determinant of a s...
Gasper Jaklic, Jolanda Modic
IACR
2011
141views more  IACR 2011»
14 years 13 hour ago
Approximate common divisors via lattices
We analyze the multivariate generalization of Howgrave-Graham’s algorithm for the approximate common divisor problem. In the m-variable case with modulus N and approximate common...
Henry Cohn, Nadia Heninger
77
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DAGSTUHL
2006
15 years 1 months ago
A note on the size of Craig Interpolants
Mundici considered the question of whether the interpolant of two propositional formulas of the form F G can always have a short circuit description, and showed that if this is t...
Uwe Schöning, Jacobo Torán
SIAMJO
2011
14 years 7 months ago
Minimizing the Condition Number of a Gram Matrix
Abstract. The condition number of a Gram matrix defined by a polynomial basis and a set of points is often used to measure the sensitivity of the least squares polynomial approxim...
Xiaojun Chen, Robert S. Womersley, Jane J. Ye
118
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TCC
2004
Springer
164views Cryptology» more  TCC 2004»
15 years 5 months ago
Hierarchical Threshold Secret Sharing
We consider the problem of threshold secret sharing in groups with hierarchical structure. In such settings, the secret is shared among a group of participants that is partitioned ...
Tamir Tassa