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MOC
1998
107views more  MOC 1998»
14 years 9 months ago
Fast algorithms for discrete polynomial transforms
Consider the Vandermonde-like matrix P := (Pk(cos jπ N ))N j,k=0, where the polynomials Pk satisfy a three-term recurrence relation. If Pk are the Chebyshev polynomials Tk, then P...
Daniel Potts, Gabriele Steidl, Manfred Tasche
62
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MOC
1998
102views more  MOC 1998»
14 years 9 months ago
New results in equal sums of like powers
This paper reports on new results for the equation m i=1 ak i = n j=1 bk j , i.e., equal sums of like powers. Since the 1967 Lander, Parkin and Selfridge survey paper [4], few othe...
Randy L. Ekl
MOC
1998
66views more  MOC 1998»
14 years 9 months ago
The d2-transformation for infinite double series and the D2-transformation for infinite double integrals
New transformations for accelerating the convergence of infinite double series and infinite double integrals are presented. These transformations are generalizations of the univa...
Chen Greif, David Levin
57
Voted
MOC
1998
66views more  MOC 1998»
14 years 9 months ago
Nonconforming finite element approximation of crystalline microstructure
Abstract. We consider a class of nonconforming finite element approximations of a simply laminated microstructure which minimizes the nonconvex variational problem for the deforma...
Bo Li, Mitchell Luskin
MOC
1998
102views more  MOC 1998»
14 years 9 months ago
Classification of integral lattices with large class number
A detailed exposition of Kneser’s neighbour method for quadratic lattices over totally real number fields, and of the sub-procedures needed for its implementation, is given. Usi...
Rudolf Scharlau, Boris Hemkemeier