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zbMath0516.49028MaRDI QIDQ3663937

Donald Pack

Publication date: 1982

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

complementary bivariational principles calculation of upper and lower bounds to inner products

Mathematics Subject Classification ID

Variational principles in infinite-dimensional spaces (58E30) Linear symmetric and selfadjoint operators (unbounded) (47B25) Equations and inequalities involving linear operators, with vector unknowns (47A50) Variational principles of physics (49S05)

Related Items (1)

Computable error bounds for variational functionals of solutions of a convolution integral equations of the first kind

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