RIT on Geometry and Physics Archives for Fall 2022 to Spring 2023


Oganizational Meeting for Fall 2021

When: Thu, September 2, 2021 - 3:30pm
Where: Kirwan Hall 1313
Speaker: () -


An introduction to the Sachdev-Ye-Kitaev model

When: Thu, September 9, 2021 - 3:30pm
Where: Kirwan Hall 1313
Speaker: Mike Winer (Dept. of Physics, UMd) -
Abstract: This will be an introduction to the SYK (Sachdev-Ye-Kitaev) model. Recommended reference: the first section or two of Juan Maldacena and Douglas Stanford, Comments on the Sachdev-Ye-Kitaev model, Phys. Rev. D 94, 106002 (2016), https://arxiv.org/abs/1604.07818 .

no meeting this week (Yom Kippur)

When: Thu, September 16, 2021 - 3:30pm
Where:


An introduction to the Sachdev-Ye-Kitaev model (cont'd)

When: Thu, September 23, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Mike Winer (Dept. of Physics, UMd) -
Abstract: This will be an introduction to the SYK (Sachdev-Ye-Kitaev) model. Recommended reference: the first section or two of Juan Maldacena and Douglas Stanford, Comments on the Sachdev-Ye-Kitaev model, Phys. Rev. D 94, 106002 (2016), https://arxiv.org/abs/1604.07818 .

The Schwarzian derivative and its relevance to conformal field theory

When: Thu, September 30, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Richard Wentworth (Math. Dept, UMd) -

More on the SYK model

When: Thu, October 7, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Ian Teixeira (Math. Dept, UMd) -

More on the Duistermaat-Heckman formula and the Schwarzian action

When: Thu, October 14, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Jonathan Rosenberg (Math. Dept, UMd) - http://math.umd.edu/~jmr/
Abstract: More about the Stanford - Witten paper "Fermionic localization of the Schwarzian theory" (JHEP (2017) 10, 008) and its mathematics background

Introduction to gravity in 1+1 dimensions

When: Thu, October 21, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Ian Teixera (Math. Dept, UMd) -

A semiclassical ramp in SYK

When: Thu, October 28, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Mike Winer (Physics Dept, UMd) -
Abstract: Discussion of the paper by Phil Saad, Stephen H. Shenker, and Douglas Stanford: A semiclassical ramp in SYK and in gravity, arXiv:1806.06840


Topological recursion: for fun and profit

When: Thu, November 4, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Elliot Kienzle (UMd) -



Topological recursion: For more fun and profit

When: Thu, November 11, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Elliot Kienzle (UMd) - 
 


An introduction to exact WKB analysis

When: Thu, November 18, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Sze-HongKwong (UMd) -
Abstract: See

1) Iwaki, K. and Nakanishi, T. (2014). Exact WKB analysis and cluster algebras. Journalof Physics A: Mathematical and Theoretical, 47(47), 474009.
2) Kawai, T. and Takei, Y. (2005). Algebraic analysis of singular perturbation theory. American Mathematical Society.
3) Voros symbols as cluster coordinates, Journal of Topology, 12(2019), 1031–1068.





An introduction to exact WKB analysis, part 2

When: Thu, December 2, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Sze-HongKwong (UMd) - 
Abstract:  See 

1) Iwaki, K. and Nakanishi, T. (2014). Exact WKB analysis and cluster algebras. Journalof Physics A: Mathematical and Theoretical, 47(47), 474009. 
2) Kawai, T. and Takei, Y. (2005). Algebraic analysis of singular perturbation theory. American Mathematical Society.
3) Voros symbols as cluster coordinates, Journal of Topology, 12(2019), 1031–1068.


 


Putting holography to work in the SYK model

When: Thu, December 9, 2021 - 3:30pm
Where: online, Zoom Meeting ID: 926 8339 9101. Contact Dr. Rosenberg for passcode
Speaker: Mike Winer (UMd Physics) -
Abstract:





Organizational meeting for spring semester

When: Thu, January 27, 2022 - 3:30pm
Where: Online
Speaker: () -
Abstract: Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

A tale of supersymmetry: The dark magic of integrable systems

When: Thu, February 3, 2022 - 3:30pm
Where: Online
Speaker: Elliot Kienzle (UMd) -
Abstract: Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

A tale of supersymmetry: The dark magic of integrable systems, 2, followed by intro to 4D N=2 SYM

When: Thu, February 10, 2022 - 3:30pm
Where: Online
Speaker: Elliot Kienzle followed by Richard Wentworth (UMd) -
Abstract: Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

Topological twists

When: Thu, February 17, 2022 - 3:30pm
Where: Online
Speaker: Lutian Zhao (UMd) -
Abstract: In this talk I will continue on the subject of N=4 supersymmetric Yang-Mills theory. I'll then try to explain the famous Kapustin-Witten paper (Commun. Number Theory Phys. 1 (2007), no. 1, 1–236) on geometric Langlands duality and how the whole picture comes from electro-magnetic duality.

Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

Supersymmetric Yang-Mills theory and geometric Langlands duality

When: Thu, February 24, 2022 - 3:30pm
Where: Online
Speaker: Lutian Zhao (UMd) -
Abstract: In this talk I will continue on the subject of N=4 supersymmetric Yang-Mills theory. I'll then try to explain the famous Kapustin-Witten paper (Commun. Number Theory Phys. 1 (2007), no. 1, 1–236) on geometric Langlands duality and how the whole picture comes from electro-magnetic duality.
 
Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

What is a BPS state?

When: Thu, March 3, 2022 - 3:30pm
Where: Online
Speaker: Elliot Kienzle (UMd) -
Abstract: See D. Olive and E. Witten, Supersymmetry Algebras That Include Topological Charges, Phys. Lett. B 78 (1978), 97-101.

Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

introduction to Donaldson invariants

When: Thu, March 10, 2022 - 3:30pm
Where: Online
Speaker: Amin-Gholampour (UMd) -


Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

introduction to Seiberg-Witten theory

When: Thu, March 17, 2022 - 3:30pm
Where: Online
Speaker: Amin-Gholampour (UMd) -

 
Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

The u-plane integral

When: Thu, March 31, 2022 - 3:30pm
Where: Online
Speaker: Kwong Sze Hong (UMd) -
Abstract: See chapter 8 of the Labastida-Marino book.


Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

The Nekrasov partition function and the wall-crossing formula in Donaldson theory

When: Thu, April 7, 2022 - 3:30pm
Where: Online
Speaker: Amin-Gholampour (UMd) -


Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

Seeing the world through BPS states

When: Thu, April 14, 2022 - 3:30pm
Where: Online
Speaker: Elliot Kienzle (UMd) -


Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

Seeing the world through BPS states, part 2

When: Thu, April 21, 2022 - 3:30pm
Where: Online
Speaker:  Elliot Kienzle (UMd) -

 
Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

Laurent Mirror Models

When: Thu, April 28, 2022 - 3:30pm
Where: Online
Speaker: Tristan Hubsch (Howard Univ Physics Dept) -


Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146

Laurent Mirror Models

When: Thu, May 5, 2022 - 3:30pm
Where: Online
Speaker:  Tristan Hubsch (Howard Univ Physics Dept) -

 
Contact Dr. Rosenberg for passcode. Meeting is at https://umd.zoom.us/j/93718007146