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A criterion for correct solvability of the Sturm-Liouville equation in the space
Authors:N. Chernyavskaya   L. Shuster
Affiliation:Department of Mathematics and Computer Science, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva, 84105, Israel

L. Shuster ; Department of Mathematics and Computer Science, Bar-Ilan University, Ramat-Gan, 52900, Israel

Abstract:We consider an equation

begin{displaymath}{(1)}quadqquadqquadqquad -y'(x) + q(x) y(x) = f(x),qquad xin R, qquadqquadqquadqquadend{displaymath}

where $f(x) in L_{p}(R), pin [1,infty ] left (Vert f Vert _{infty } := C (R) right )$, and $0 le q(x)in L_{1}^{operatorname{loc}} (R).$By a solution of equation (1), we mean any function $y(x)$ such that $y(x), y'(x) in AC^{operatorname{loc}} (R),$and equality (1) holds almost everywhere on $R.$In this paper, we obtain a criterion for the correct solvability of (1) in $L_{p} (R)$, $p in [1,infty ].$

Keywords:Correct solvability   Sturm-Liouville equation
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