Diffusion sampling schemes: A generalized methodology with nongeometric criteria
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DOI: 10.1002/mrm.29605
Abstract: The aim of this paper is to show that geometrical criteria for designing multishell q$$ q $$ ‐space sampling procedures do not necessarily translate into reconstruction matrices with high figures of merit commonly used in… read more here.
Keywords: methodology; generalized methodology; sampling schemes; methodology nongeometric ... See more keywords
The noncommutative schemes of generalized Weyl algebras
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DOI: 10.1016/j.jalgebra.2018.04.004
Abstract: Abstract The first Weyl algebra over k , A 1 = k 〈 x , y 〉 / ( x y − y x − 1 ) admits a natural Z -grading by letting deg… read more here.
Keywords: noncommutative schemes; schemes generalized; generalized weyl; weyl algebras ... See more keywords
On the convergence of difference schemes for the generalized BBM–Burgers equation
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DOI: 10.1515/gmj-2018-0075
Abstract: Abstract A three-level finite difference scheme is studied for the initial-boundary value problem of the generalized Benjamin–Bona–Mahony–Burgers equation. The obtained algebraic equations are linear with respect to the values of the desired function for each… read more here.
Keywords: difference; generalized bbm; burgers equation; convergence difference ... See more keywords