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We study the notions of measurable metric and Lipschitz function which were introduced by N. Weaver ([12]), in the framework of Dirichlet spaces. To this respect, we bring some precisions and complements to [15], notably concerning links with the notion of intrinsic metric ([2]). In the particular case of an abstract Wiener space, we establish the relationship between these notions and that of H-metric...
The Triassic in the “Médianes rigides” Nappe of the Swiss Prealps, belonging to the Briançonnais realm of the Western Alps, consists of a several hundred meters thick carbonate succession. At the localities Wiriehorn and Rothorn, 650 m above sequence base, the Costatoria goldfussi limestone, a remarkable coquina and widespread transgressive marker bed, yields the key conodont Sephardiella truempyi...
Résumé Le but de ce travail est de montrer que, dans des cas très généraux un opérateur dissipatif invariant sur un espace homogène, de domaine dense, se prolonge en un générateur infinitésimal de semi-groupe fortement continu et à contraction. On a aussi des résultats du même type pour les opérateurs codissipatifs. Les résultats exposés ici constituent, dans leur majeure partie, une explication ou...
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