Proper generalized decomposition for nonlinear convex problems in tensor Banach spaces |
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Authors: | Antonio Falcó Anthony Nouy |
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Institution: | 1. Departamento de Ciencias, Físicas, Matemáticas y de la Computación, Universidad CEU Cardenal Herrera, San Bartolomé 55, 46115, Alfara del Patriarca, Valencia, Spain 2. LUNAM Université, GeM, UMR CNRS 6183, Ecole Centrale Nantes, Université de Nantes, 1 rue de la No?, BP 92101, 44321, Nantes Cedex 3, France
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Abstract: | Tensor-based methods are receiving a growing interest in scientific computing for the numerical solution of problems defined in high dimensional tensor product spaces. A family of methods called proper generalized decompositions (PGD) methods have been recently introduced for the a priori construction of tensor approximations of the solution of such problems. In this paper, we give a mathematical analysis of a family of progressive and updated PGDs for a particular class of problems associated with the minimization of a convex functional over a reflexive tensor Banach space. |
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