Abstract:We construct discrete analogs of multidimensional singular integral operators and study their invertibility. Moreover, we give a comparison between continual and discrete case. We give the theory of periodic Riemann problem also, because it is needed for studying invertibility of so-called paired equations.For more general case of pseudo-differential operators, we construct the solvability theory for discrete pseudo-differential equations in discrete analogs of Sobolev-Slobodetskii spaces. Some comparison resu… Show more
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