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NA
2007
84views more  NA 2007»
14 years 11 months ago
A generalization of Euler's constant
: The purpose of this paper is to evaluate the limit γ(a) of the sequence 1 a + 1 a + 1 + · · · + 1 a + n − 1 − ln a + n − 1 a n∈N , where a ∈ (0, +∞). We give some...
Alina Sîntamarian
NA
2007
98views more  NA 2007»
14 years 11 months ago
Conjectured inequalities for Jacobi polynomials and their largest zeros
Inequalities are conjectured for the Jacobi polynomials P (α,β) n and their largest zeros. Special attention is given to the cases β = α − 1 and β = α. Key words. Jacobi po...
Walter Gautschi, Paul Leopardi
NA
2007
70views more  NA 2007»
14 years 11 months ago
Multivariate polynomial interpolation: conjectures concerning GC-sets
GC-sets are subsets T of Rd of cardinality dim Πn for which, for each τ ∈ T, there are n hyperplanes whose union contains all of T except for τ, thus making interpolation to a...
Carl de Boor
NA
2007
64views more  NA 2007»
14 years 11 months ago
UPML formulation for truncating conductive media in curvilinear coordinates
Abstract. This work presents a formulation based on UPML for truncating conductive media by using a local and non-orthogonal coordinate system to solve Maxwell’s Equations by the...
Rodrigo M. S. de Oliveira, Carlos Leonidas da S. S...