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Loop spaces --- Diffeomorphisms

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Algebraic topology --- Adams spectral sequences --- Homotopy groups --- Loop spaces

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Several stochastic processes related to transient Lévy processes with potential densities u(x,y)=u(y-x), that need not be symmetric nor bounded on the diagonal, are defined and studied. They are real valued processes on a space of measures mathcal{V} endowed with a metric d. Sufficient conditions are obtained for the continuity of these processes on (mathcal{V},d). The processes include n-fold self-intersection local times of transient Lévy processes and permanental chaoses, which are `loop soup n-fold self-intersection local times' constructed from the loop soup of the Lévy process. Loop soups are also used to define permanental Wick powers, which generalizes standard Wick powers, a class of n-th order Gaussian chaoses. Dynkin type isomorphism theorems are obtained that relate the various processes. Poisson chaos processes are defined and permanental Wick powers are shown to have a Poisson chaos decomposition. Additional properties of Poisson chaos processes are studied and a martingale extension is obtained for many of the processes described above.

Gaussian processes. --- Local times (Stochastic processes) --- Loop spaces.

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Category theory. Homological algebra --- Characteristic classes --- Homology theory --- Loop spaces --- Classes caractéristiques --- Homologie --- Espaces de lacets --- Characteristic classes. --- Homology theory. --- Loop spaces. --- Classes caractéristiques

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Algebraic topology --- Loop spaces --- Espaces de lacets --- 515.1 --- Topology --- 515.1 Topology --- Topologie algebrique --- Homotopie