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Holomorphic Floer theory and deformation quantization
Geometry of a pair of complex Lagrangian submanifolds of a complex symplectic manifold appears in many areas of mathematics and physics, including exponential integrals in finite and infinite dimensions, wall-crossing...
Mar 19, 2020
Probing Supermassive Black Holes with Gravitational Waves
Observations have shown that nearly all galaxies harbor massive or supermassive black holes at their centers. Gravitational wave (GW) observations of these black holes will shed light on their growth...
Mar 19, 2020
Quantum Geometry vs. Quantum Gravity
Quantizing 4D geometries leads to discrete area spectra. Such discrete area spectra are also suggested by the holographic principle and entropy counting for black holes. Starting with this input of...
Mar 19, 2020
Physics beyond the Standard Model at the Cosmological Collider
Historically, new particles and forces in the Standard Model have most often revealed themselves at high-energy particle colliders. Certain phenomena beyond the Standard Model, however, are best studied by using...
Mar 25, 2020
Modeling the Common Envelope Inspiral Phase and Formation of LIGO’s Binary Black Holes
With the impressive number of binary black hole mergers observed by the LIGO-Virgo detector network in the recent years, it is now important to understand the formation channels of these...
Mar 26, 2020
The quasi-local degrees of freedom of Yang-Mills theory
Gauge theories possess nonlocal features that, in the presence of boundaries, inevitably lead to subtleties. In particular their fundamental degrees of freedom are not point-like. This leads to a non-trivial...
Mar 26, 2020
The Emperor's New Crown: What Covid-19 Reveals
As of late March 2020, Covid-19 has already secured its status among the most expansive pandemics of the last century. Covid-19 is caused by a coronavirus--SARS-CoV-2--that causes a severe respiratory...
Apr 01, 2020
Public Lecture - Graham Farmelo
Public Lecture - Graham Farmelo
Apr 01, 2020
Gravitational edge modes: From Kac-Moody charges to Poincaré networks
In this talk I revisit the canonical framework for general relativity in its connection-frame field formulation, exploiting its local holographic nature. I will show how we can understand the Gauss...
Apr 02, 2020
ISCOs in AdS/CFT
I describe a novel way to produce states associated to geodesic motion for classical particles in the bulk of AdS that arise from particular operator insertions at the boundary at...
Apr 07, 2020