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Fast Computation of Common Left Multiples of Linear Ordinary Differential Operators
Algorithms complexity linear differential operators common left multiples
2013/9/3
We study tight bounds and fast algorithms for LCLMs of several linear differential operators with polynomial coefficients. We analyse the arithmetic complexity of existing algorithms for LCLMs, as wel...
Notes on Neumann Problem for Schrodinger Operators in Weighted Lipschitz Domains
Schrodinger equation Neumann problem weighted Lipschitz domains
2012/9/27
Let Ω be a bounded Lipschitz domain in ,nRn≥3 . Let 0()QQQααω =|− |, where 0Q is a fixed point on Ω∂ . For Schrödinger equation 0 uVu −Δ+ = in Ω , with singular non-neg...
Weighted Norm Inequalities for a Class of Rough Maximal Operators
Lp boundedness Hardy space maximal operators Fourier transform rough kernel Ap weight
2010/2/26
We consider maximal singular integral operators arising from rough kernels satisfying an H1-type condition on the unit (n-1)-sphere and prove weighted Lp estimates for certain radial weights. We also ...
Some Random Fixed Point Theorems for Non-Self Nonexpansive Random Operators
Random fixed point non-self mappings Nonexpansive random operator inwardness condition
2010/2/26
Let (W, S) be a measurable space, with \sum a sigma-algebra of subsets of W, and let E be a nonempty bounded closed convex and separable subset of a Banach space X, whose characteristic of noncompact ...
On a Certain Family of Linear Positive Operators
Linear Positive Operators inear positive operatorsl approximation properties
2010/3/5
In this study, a family of linear positive operators, which includes the sequence of linear positive operators built in a paper of A. D. Gadjiev and I. I. Ibragimov and later investigated by B. Wood a...