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dc.contributor.authorMaddocks, J.H.en_US
dc.date.accessioned2007-05-23T09:38:16Z
dc.date.available2007-05-23T09:38:16Z
dc.date.issued1987en_US
dc.identifier.urihttp://hdl.handle.net/1903/4627
dc.description.abstractThe starting point of this investigation is the properties of restricted quadratic forms, x^TAx, x {IS A MEMBER OF} S {IS A SUBSET OF} {m DIMERNSIONAL SPACE}, where A is an m x m real symmetric matrix, and S is a subspace. The index theory of Heatenes (1951) and Maddocks (1985) that treats the more general Hilbert space version of this problem is first specialized to the finite-dimensional context, and appropriate extensions, valid only in finite-dimensions, are made. The theory is then applied to obtain various inertia theorems for matricea and positivity tests for quadratic forms. Expressions for the inertial of divers symmetrically partitioned matrices are described. In particular, an inertia theorem for the generalized Schur complement is given. The investigation recovers, links and extends several, formerly disparate, results in the general area of inertia theorems.en_US
dc.format.extent1363630 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoen_USen_US
dc.relation.ispartofseriesISR; TR 1987-119en_US
dc.titleRestricted Quadratic Forms, Inertia Theorems and the Schur Complement.en_US
dc.typeTechnical Reporten_US
dc.contributor.departmentISRen_US


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