نتایج جستجو برای: non self adjoint operators
تعداد نتایج: 1873100 فیلتر نتایج به سال:
This note aims to give prominence some new results on the absence and localization of eigenvalues for Dirac Klein-Gordon operators, starting from known resolvent estimates already established in literature combined with renowned Birman-Schwinger principle.
We generalize the notion of Lagrangian subspaces to self-orthogonal subspaces with respect to a (skew-)symmetric form, thus characterizing (skew-) self-adjoint and unitary operators by means of self-orthogonal subspaces. By orthogonality preserving mappings, these characterizations can be transferred to abstract boundary value spaces of (skew-)symmetric operators. Introducing the notion of boun...
In this article we consider the zeta regularized determinant of Laplace-type operators on the generalized cone. For arbitrary self-adjoint extensions of a matrix of singular ordinary differential operators modelled on the generalized cone, a closed expression for the determinant is given. The result involves a determinant of an endomorphism of a finite-dimensional vector space, the endomorphism...
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