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SIAMMAX
2010
14 years 6 months ago
2010
It is well-known that the Legendre-Fenchel conjugate of a positive definite quadratic form can be explicitly expressed as another positive definite quadratic form, and that the con...
SIAMMAX
2010
14 years 6 months ago
2010
Abstract. Given a symmetric positive definite matrix A, we compute a structured approximate Cholesky factorization A RT R up to any desired accuracy, where R is an upper triangula...
109
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SIAMMAX
2010
14 years 6 months ago
2010
Abstract. Linear inverse problems with uncertain measurement matrices appear in many different applications. One of the standard techniques for solving such problems is the total l...
105
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SIAMSC
2010
14 years 6 months ago
2010
Abstract. BDDC algorithms are constructed and analyzed for the system of almost incompressible elasticity discretized with Gauss-Lobatto-Legendre spectral elements in three dimensi...
117
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SIGMOD
2010
ACM
14 years 6 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...