Low-dimensional de Sitter quantum gravity
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DOI: 10.1007/jhep06(2020)048
Abstract: We study aspects of Jackiw-Teitelboim (JT) quantum gravity in two-dimensional nearly de Sitter (dS) spacetime, as well as pure de Sitter quantum gravity in three dimensions. These are each theories of boundary modes, which include… read more here.
Keywords: sitter quantum; genus expansion; sitter; gravity ... See more keywords
Genus expansion of matrix models and ћ expansion of KP hierarchy
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DOI: 10.1007/jhep12(2020)038
Abstract: Abstract We study ћ expansion of the KP hierarchy following Takasaki-Takebe [1] considering several examples of matrix model τ-functions with natural genus expansion. Among the examples there are solutions of KP equations of special interest,… read more here.
Keywords: expansion hierarchy; matrix; genus expansion; model ... See more keywords