On dual-complementary variational principles in mathematical physics
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In this paper a theory of dual-complementary variational principles is developed in connection with problems characterized by the equations of the form T*ETu + f = 0. A canonical triple of equations associated with this equation is developed and are shown to be Euler equations for a certain functional. Correspondingly, a dual triple of canonical equations is developed which give rise to a system of equations of the type S E-1Sχ + η = 0. A variety of applications in mathematical physics is discussed. © 1974.
author list (cited authors)
Oden, J. T., & Reddy, J. N.