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BIRS Workshop Lecture Videos

Weakly coupled de Sitter in massive IIA compactifications Dibitetto, Giuseppe


I will briefly review the issues of de Sitter vacua in string theory in relation to the various swampland conjectures which suggest a tension between an effective description of universe in accelerated expansion and its possible unitary UV completion. Subsequently I will address this UV/IR puzzle within the specific context of massive type IIA compactifications and discuss the status of the search for classical de Sitter solutions arising from reductions on SU(3) structure manifolds. I will then conclude by discussing the controversial issue of defining a good weakly coupled regime for such backgrounds.

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