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<dc:title xml:lang="en">Une étude de la catégorie sphérique de Hecke via la géometrie algébrique dérivée</dc:title>
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<dc:subject xml:lang="fr">Faisceau constructible</dc:subject>
<dc:subject xml:lang="fr">Stratification de Whitney</dc:subject>
<dc:subject xml:lang="fr">Algèbre d'Azumaya</dc:subject>
<dc:subject xml:lang="fr">Gerbe</dc:subject>
<dc:subject xml:lang="en">Geometric Langlands Program</dc:subject>
<dc:subject xml:lang="en">Affine Grassmannian</dc:subject>
<dc:subject xml:lang="en">Constructible sheaf</dc:subject>
<dc:subject xml:lang="en">Whitney stratification</dc:subject>
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<dcterms:abstract xml:lang="fr">Mon projet de thèse se situe à l'interface de la géométrie algébrique, de la topologie et de la théorie des représentations. Je me suis concentré sur l'utilisation d'outils de la théorie de l'homotopie, en particulier la géométrie algébrique dérivée et la théorie des infini-catégories, pour fournir des généralisations significatives des résultats classiques établis dans le Programme Géométrique de Langlands. Dans le premier chapitre, j'ai prouvé que, sous certaines conjectures, l'infini-categorie Sph(G) associé à un groupe reductif G admet une E_3- structure monoïdale étendant le produit de convolution monoïdale symétrique des faisceaux pervers. Dans le deuxième chapitre, j'ai prouvé avec Marco Volpe une conjecture de Ayala, Francis et Rozenblyum disant que tout espace stratifié satisfaisant les conditions de Whitney admet une structure coniquement lisse. Dans le troisième chapitre, j'ai prouvé avec Michele Pernice une conjecture de Federico Binda et Mauro Porta établissant une rélation entre la notion de Gm-gerbe et de algèbre de Azumaya derivée.</dcterms:abstract>
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