On a second-order matrix differential operator |
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Authors: | Shankar Shaw Bikan Bhagat |
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Affiliation: | 1. Department of Mathematics, Patna University, Patna-5
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Abstract: | We consider the second-order matrix differential operator $$N = left( {begin{array}{*{20}c} { - frac{d}{{dx}}left( {p_0 frac{d}{{dx}}} right) + p_1 } r end{array} begin{array}{*{20}c} r { - frac{d}{{dx}}left( {q_0 frac{d}{{dx}}} right) + q_1 } end{array} } right)$$ determined by the expression Nφ, [0 ?x < ∞), where (phi = left( {begin{array}{*{20}c} U V end{array} } right)) . It has been proved that if p0, q0, p1, q1,r satisfy certain conditions, then N is in the limit point case at ∞. It has been also shown that certain differential operators in the Hilbert space L2 of vectors, generated by the operator N, are symmetric and self-adjoint. |
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