Abstract
The paper is devoted to the theory of quasielliptic operators. We consider scalar and homogeneous quasielliptic operators \(\mathcal{L}(D_x)\) with lower terms in the whole space \({\mathbb R}^n\). Our aim is to study mapping properties of these operators in weighted Sobolev spaces. We introduce a special scale of weighted Sobolev spaces \(W^l_{p,q,\sigma }({\mathbb R}^n)\). These spaces coincide with known spaces of Sobolev type for some parameters l, q, \(\sigma \). We investigate mapping properties of the operators \(\mathcal{L}(D_x)\) in the spaces \(W^l_{p,q,\sigma }({\mathbb R}^n)\). We indicate conditions for unique solvability of quasielliptic equations and systems in these spaces, obtain estimates for solutions and formulate an isomorphism theorem for quasielliptic operators. To prove our results we construct special regularizers for quasielliptic operators.
G. Demidenko—The work is supported in part by the Program of the Presidium of the Russian Academy of Sciences (project no. 0314-2015-0011).
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Demidenko, G. (2017). Mapping Properties of One Class of Quasielliptic Operators. In: Giri, D., Mohapatra, R., Begehr, H., Obaidat, M. (eds) Mathematics and Computing. ICMC 2017. Communications in Computer and Information Science, vol 655. Springer, Singapore. https://doi.org/10.1007/978-981-10-4642-1_29
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DOI: https://doi.org/10.1007/978-981-10-4642-1_29
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