Separation for ordinary differential equation with matrix coeficient
- Autores: B. A. El-Gendi, A. S. Mohamed
- Localización: Collectanea mathematica, ISSN 0010-0757, Vol. 48, Fasc. 3, 1997, págs. 243-252
- Idioma: inglés
- Enlaces
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Resumen
In this paper we give criteria for the separation of the differential operator $$L[u] = (-1)^mD^{2m}u(x) + q(x)u(x)$$ in the space $L_p(\mathbb{R})^\ell,\ell , m\in N$ and $p\in (1,\infty)$ where $q(x), x\in R$, is a $\ell\times\ell$ positive hermitian matrix and prove the existence and uniqueness of the solution for the differential equation $$(L + \beta E)u(x) = f(x), f(x)\in L_p(\mathbb{R})^\ell$$ where $E$ is the identity operator and $\beta\geq 1$.
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