Search for dissertations about: "Mat"
Showing result 11 - 15 of 432 swedish dissertations containing the word Mat.
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11. A Markov Process on Cyclic Words
Abstract : The TASEP (totally asymmetric simple exclusion process) studied here is a Markov chain on cyclic words over the alphabet{1,2,...,n} given by at each time step sorting an adjacent pair of letters chosen uniformly at random. READ MORE
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12. Regularity results in free boundary problems
Abstract : This thesis consists of three scientific papers, devoted to the regu-larity theory of free boundary problems. We use iteration arguments to derive the optimal regularity in the optimal switching problem, and to analyse the regularity of the free boundary in the biharmonic obstacle problem and in the double obstacle problem. READ MORE
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13. Abelian affine group schemes, plethories, and arithmetic topology
Abstract : In Paper A we classify plethories over a field of characteristic zero. All plethories over characteristic zero fields are ``linear", in the sense that they are free plethories on a bialgebra. For the proof of this classification we need some facts from the theory of ring schemes where we extend previously known results. READ MORE
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14. Classification of plethories in characteristic zero
Abstract : We classify plethories over fields of characteristic zero, thus answering a question of Borger-Wieland and Bergman-Hausknecht. All plethories over characteristic zero fields are linear, in the sense that they are free plethories on a bialgebra. READ MORE
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15. Cover Times, Sign-dependent Random Walks, and Maxima
Abstract : .... READ MORE