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Carathéodory solutions of Sturm-Liouville dynamic equation with a measure of noncompactness in Banach spaces

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Yantir A., Kubiaczyk I., Sikorska-Nowak A.

Open Mathematics

2015

tom 13

nr 1

In this paper, we present the existence result for Carathéodory type solutions for the nonlinear Sturm- Liouville boundary value problem (SLBVP) in Banach spaces on an arbitrary time scale. For this purpose, we introduce an equivalent integral operator to the SLBVP by means of Green’s function on an appropriate set. By imposing the regularity conditions expressed in terms of Kuratowski measure of noncompactness, we prove the existence of the fixed points of the equivalent integral operator. Mönch’s fixed point theorem is used to prove the main result. Finally, we also remark that it is straightforward to guarantee the existence of Carathéodory solutions for the SLBVP if Kuratowski measure of noncompactness is replaced by any axiomatic measure of noncompactness.

Ograniczanie wyników

1 Open Mathematics

1 Kubiaczyk I.

1 Sikorska-Nowak A.

1 Yantir A.

1 2015

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Carathéodory solutions of Sturm-Liouville dynamic equation with a measure of noncompactness in Banach spaces