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DTSTART;TZID=America/New_York:20230313T110000
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DTSTAMP:20240215T102017Z
CREATED:20230730T190045Z
LAST-MODIFIED:20240215T102017Z
UID:10001159-1678705200-1678708800@live-hu-cmsa-222.pantheonsite.io
SUMMARY:String theory scalar potentials and their critical points
DESCRIPTION:Swampland Seminar \n\nSpeaker: David Andriot (Annecy\, LAPTH) \nTitle: String theory scalar potentials and their critical points \nAbstract: Positive scalar potentials in string effective theories could provide an origin to Dark Energy\, responsible for the accelerated expansion of our universe today or during inflation. It is thus crucial to characterize these scalar potentials\, namely their slope\, their critical points (de Sitter solutions) and the associated stability\, as also advocated by the Swampland Program. We will present such characterizations. Going further\, we will also discuss negative scalar potentials\, and make related observations on anti-de Sitter solutions\, in particular on a new mass bound\, as well as comments on scale separation.
URL:https://live-hu-cmsa-222.pantheonsite.io/event/swampland_31323/
LOCATION:CMSA Room G10\, CMSA\, 20 Garden Street\, Cambridge\, MA\, 02138\, United States
CATEGORIES:Swampland Seminar
ATTACH;FMTTYPE=image/png:https://live-hu-cmsa-222.pantheonsite.io/media/CMSA-Swampland-Seminar-0.13.23.png
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230327T110000
DTEND;TZID=America/New_York:20230327T120000
DTSTAMP:20240215T101847Z
CREATED:20230730T190429Z
LAST-MODIFIED:20240215T101847Z
UID:10001160-1679914800-1679918400@live-hu-cmsa-222.pantheonsite.io
SUMMARY:Recent developments on the tidal Love numbers of black holes
DESCRIPTION:Swampland Seminar \nSpeaker: Valerio De Luca (UPenn)\n\nTitle: Recent developments on the tidal Love numbers of black holes \nAbstract: Tidal Love numbers describe the deformability of compact objects under the presence of external tidal perturbations\, and are found to be exactly zero for black holes in pure General Relativity. This property is however fragile\, since they receive corrections from higher-order derivative terms in the theory. We show that the tidal deformability of neutral black holes is constrained by the Weak Gravity Conjecture.
URL:https://live-hu-cmsa-222.pantheonsite.io/event/swampland_32723/
LOCATION:CMSA Room G10\, CMSA\, 20 Garden Street\, Cambridge\, MA\, 02138\, United States
CATEGORIES:Swampland Seminar
ATTACH;FMTTYPE=image/png:https://live-hu-cmsa-222.pantheonsite.io/media/CMSA-Swampland-Seminar-03.27.23.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230410T110000
DTEND;TZID=America/New_York:20230410T120000
DTSTAMP:20240215T101627Z
CREATED:20230730T190732Z
LAST-MODIFIED:20240215T101627Z
UID:10001161-1681124400-1681128000@live-hu-cmsa-222.pantheonsite.io
SUMMARY:Swampland bounds on the abelian gauge sectors
DESCRIPTION:Swampland Seminar \nSpeaker: Seung-Joo Lee (IBS Daejeon)\n\nTitle: Swampland bounds on the abelian gauge sectors \nAbstract: In this talk we will derive various bounds on the 0-form and the 1-form abelian gauge sectors of gravitational effective theories in 6 dimensions with minimal supersymmetry. We will start by considering 6-dimensional F-theory vacua with at least one tensor multiplets\, to bound for them the number of the (0-form) U(1) gauge factors as well as the cyclic orders of the 1-form discrete gauge factors. While the two abelian gauge sectors may look rather independent\, we will observe that both are heavily constrained by the solitonic heterotic strings present in the spectrum\, which provide a common intuition for the derived bounds. Building upon the heterotic intuition\, we will also try extending the arena to address analogous bounds for all F-theory vacua in 6 dimensions and even beyond. If time permits\, several applications and future directions of research will be discussed at the end of the talk.
URL:https://live-hu-cmsa-222.pantheonsite.io/event/swampland_41023/
LOCATION:CMSA Room G10\, CMSA\, 20 Garden Street\, Cambridge\, MA\, 02138\, United States
CATEGORIES:Swampland Seminar
ATTACH;FMTTYPE=image/png:https://live-hu-cmsa-222.pantheonsite.io/media/CMSA-Swampland-Seminar-04.10.23.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230424T110000
DTEND;TZID=America/New_York:20230424T120000
DTSTAMP:20240215T101445Z
CREATED:20230730T191102Z
LAST-MODIFIED:20240215T101445Z
UID:10001162-1682334000-1682337600@live-hu-cmsa-222.pantheonsite.io
SUMMARY:The Tameness of Quantum Field Theories 
DESCRIPTION:Swampland Seminar \nSpeaker: Thomas Grimm (Utrecht U.)\n\nTitle: The Tameness of Quantum Field Theories \nAbstract: Tameness is a generalized notion of finiteness that is restricting the geometric complexity of sets and functions. The underlying mathematical foundation lies in tame geometry\, which is built from o-minimal structures introduced in mathematical logic. In this talk I formalize the connection between quantum field theories and logical structures and argue that the tameness of a quantum field theory relies on its UV definition. I quantify our expectations on the tameness of effective theories that can be coupled to quantum gravity and on CFTs. In particular\, I present tameness conjectures about CFT observables and propose universal constraints that render spaces of CFTs to be tame sets. I then highlight the relation of these conjectures to other swampland conjectures\, e.g.\, by arguing that the tameness of CFT observables restricts having parametrical gaps in the operator spectrum.
URL:https://live-hu-cmsa-222.pantheonsite.io/event/swampland_42423/
LOCATION:Jefferson 368
CATEGORIES:Swampland Seminar
ATTACH;FMTTYPE=image/png:https://live-hu-cmsa-222.pantheonsite.io/media/NTM-11.15.2023.png
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