[Lecture] "Tensionless String Spectra in AdS_3" by Prof. Rajesh Gopakumar

We examine the spectrum of superstrings on backgrounds of the form AdS_3\times S^3\times M at their minimal radius (or tensionless limit). We focus on a very natural subsector which consists of states at the bottom of the so-called spectrally flowed continuous representations. We find that this entire subsector matches precisely with that of a symmetric product CFT. This can be viewed as a signature of an unbroken Higher Spin Square (HSS) symmetry at this point. This HSS symmetry had previously appeared at a very different tensionless point in the parameter space of the string theory on AdS_3.

[Seminar] "Gravity and differential forms" by Prof. Kirill Krasnov

Speaker: Prof. Kirill Krasnov,  University of Nottingham
Date  : Tuesday, June 19, 2018
Time  : 3:00pm-4:00pm

[Seminar] "New triangulation of the Amplituhedron from sign flip" by Ryota Kojima

Speaker: Ryota Kojima, KEK, Japan
Date  : Tuesday, June 5, 2018
Time : 3:00pm-4:00pm

[Seminar] "Black holes in loop quantum gravity: Emergence of non-singular quantum space-time" by Dr. Suddhasattwa Brahma

Speaker: Dr. Suddhasattwa Brahma,  APCTP, Korea
Date  : Friday, June 1, 2018
Time  : 4pm-5pm

[Seminar] "Bouncing black holes: A realistic model?" by Dr. Marios Christodoulou

Speaker: Dr. Marios Christodoulou, South University of Science and Technology
Date  : Tuesday, May 29, 2018
Time  : 3:00pm-4:00pm

QG group meeting - cosmological constant and scale invariance

QG group meeting
Speaker: Daisuke Takahashi
Title: Cosmological constant and scale invariance

[Seminar] "Edge modes and entanglement in diffeomorphism-invariant theories" by Antony Speranza

Speaker: Antony Speranza, University of Maryland
Date  : Tuesday, May 15, 2018
Time  : 3:00pm-4:00pm

QG group meeting-Tales from Copenhagen

QG group meeting
Speaker: Henry Stoltenberg (OIST)
Title: Tales from Copenhagen

Summary from "Quantum Information in Cosmology" workshop

[Seminar] "Aspects of Spinning Witten Diagrams" by Prof. Heng-Yu Chen

Speaker: Prof. Heng-Yu Chen, National Taiwan University
Date  : Tuesday, April 10, 2018
Time  : 10:30am-11:30am
               

QG group meeting - a phase space in your phase space

QG group meeting
Speaker: Yasha Neiman
Title: A phase space in your phase space