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Symmetries Graduate School 2023
from
Monday, 23 January 2023 (08:30)
to
Friday, 3 February 2023 (17:00)
Monday, 23 January 2023
08:30
Registration
Registration
08:30 - 09:00
Room: Reception
09:00
Welcome and Opening Remarks
-
Aldo Riello
(
Perimeter Institute
)
Welcome and Opening Remarks
Aldo Riello
(
Perimeter Institute
)
09:00 - 09:10
Room: PI/1-100 - Theatre
09:10
Noether’s theorems and gauge symmetries
-
Marc Geiler
(
École Normale Supérieure de Lyon
)
Noether’s theorems and gauge symmetries
Marc Geiler
(
École Normale Supérieure de Lyon
)
09:10 - 10:30
Room: PI/1-100 - Theatre
This lecture is devoted to Noether’s theorems and the study of the interplay between symmetries and conservation laws, from ordinary mechanics to general relativity. In order to start on a common ground and interest a broad audience, we will begin with a review of Noether’s (first) theorem in ordinary non-relativistic mechanics. This will enable us to settle some subtleties, agree on conventions, and especially explore some curious and lesser-known symmetry features of familiar models (such as particles and celestial mechanics). We will then move on to field theory, and discuss the construction of conserved currents and energy-momentum tensors. This will include a discussion of conserved quantities in general relativity. Finally, we will turn to the core of the topic, which is Noether’s (second) theorem for gauge symmetries. After recalling the basic properties of gauge theories in Lagrangian and Hamiltonian form, we will derive the consequences of gauge symmetry for the construction of conserved charges. For this, we will introduce the so-called covariant phase space formalism, which enables to construct symmetry charges and algebras, and derive (non) conservation laws. This will be illustrated in Maxwell’s theory and in general relativity. In particular, we will focus in depth on the example of three-dimensional gravity as an exactly soluble model in which all aspects of symmetries can be understood. We will end with an outlook towards the notion of asymptotic symmetries and their use in classical and quantum gravity. Ideally, the audience should be familiar with: Hamiltonian mechanics differential forms basic features of general relativity
10:30
Coffee Break
Coffee Break
10:30 - 11:00
Room: PI/1-124 - Lower Bistro
11:00
Lightening Talks
Lightening Talks
11:00 - 12:30
Room: PI/1-100 - Theatre
12:30
Lunch Break
Lunch Break
12:30 - 14:00
14:00
Fitting models to data using Markov Chain Monte Carlo
-
Dustin Lang
(
Perimeter Institute
)
Fitting models to data using Markov Chain Monte Carlo
Dustin Lang
(
Perimeter Institute
)
14:00 - 15:00
Room: PI/1-100 - Theatre
15:00
Coffee Break
Coffee Break
15:00 - 15:15
Room: PI/1-124 - Lower Bistro
15:15
Fitting models to data using Markov Chain Monte Carlo (tutorial)
-
Dustin Lang
(
Perimeter Institute
)
Fitting models to data using Markov Chain Monte Carlo (tutorial)
Dustin Lang
(
Perimeter Institute
)
15:15 - 16:30
Room: PI/4-405 - Bob Room
Tuesday, 24 January 2023
09:00
Noether’s theorems and gauge symmetries
-
Marc Geiler
(
École Normale Supérieure de Lyon
)
Noether’s theorems and gauge symmetries
Marc Geiler
(
École Normale Supérieure de Lyon
)
09:00 - 10:30
Room: PI/1-100 - Theatre
10:30
Coffee Break
Coffee Break
10:30 - 11:00
Room: PI/1-124 - Lower Bistro
11:00
Noether’s theorems and gauge symmetries (Q&A)
-
Marc Geiler
(
École Normale Supérieure de Lyon
)
Noether’s theorems and gauge symmetries (Q&A)
Marc Geiler
(
École Normale Supérieure de Lyon
)
11:00 - 12:30
Room: PI/1-100 - Theatre
Wednesday, 25 January 2023
11:00
Noether’s theorems and gauge symmetries
-
Marc Geiler
(
École Normale Supérieure de Lyon
)
Noether’s theorems and gauge symmetries
Marc Geiler
(
École Normale Supérieure de Lyon
)
11:00 - 12:30
Room: PI/1-100 - Theatre
12:30
Lunch Break
Lunch Break
12:30 - 14:00
14:00
Knot categorification from mirror symmetry
-
Mina Aganagic
(
University of California, Berkeley
)
Knot categorification from mirror symmetry
Mina Aganagic
(
University of California, Berkeley
)
14:00 - 15:30
Room: PI/1-100 - Theatre
Two of the most beautiful examples of the interaction between mathematics and physics involve knot theory and mirror symmetry. In this talk, I will describe a new connection between them. The solution to a central problem in knot theory, the knot categorification problem, comes from a new application of mirror symmetry.
15:30
Coffee Break
Coffee Break
15:30 - 16:00
Room: PI/1-124 - Lower Bistro
16:00
Meet and Greet with Mina Aganagic
Meet and Greet with Mina Aganagic
16:00 - 18:00
Room: PI/4-405 - Bob Room
Thursday, 26 January 2023
09:00
Noether’s theorems and gauge symmetries
-
Marc Geiler
(
École Normale Supérieure de Lyon
)
Noether’s theorems and gauge symmetries
Marc Geiler
(
École Normale Supérieure de Lyon
)
09:00 - 10:30
Room: PI/1-100 - Theatre
10:30
Coffee Break
Coffee Break
10:30 - 11:00
Room: PI/1-124 - Lower Bistro
11:00
Topological quantum matter and quantum computing
-
Peter Lu
(
Perimeter Institute
)
Topological quantum matter and quantum computing
Peter Lu
(
Perimeter Institute
)
11:00 - 12:30
Room: PI/1-100 - Theatre
Interacting quantum particles can form non-trivial states of matter characterized by topological order, which features several unconventional properties such as topological degeneracy and fractionalized quasiparticles. In addition, it also provides a promising platform for realizing quantum computing in a robust manner. In this series of lectures, I will introduce the basics of topological order and its connection to quantum computing from various aspects involving lattice models, symmetry, and entanglement structure. Several frontier topics such as fracton topological phases, self-correcting quantum memory, state preparation, and quantum LDPC codes will be briefly discussed.
12:30
Lunch Break
Lunch Break
12:30 - 14:00
14:00
Informal Networking over Coffee
Informal Networking over Coffee
14:00 - 15:00
Room: PI/2-251 - Upper Bistro
15:00
Noether’s theorems and gauge symmetries (tutorial)
-
Marc Geiler
(
École Normale Supérieure de Lyon
)
Noether’s theorems and gauge symmetries (tutorial)
Marc Geiler
(
École Normale Supérieure de Lyon
)
15:00 - 16:30
Room: PI/4-400 - Space Room
Friday, 27 January 2023
09:00
Topological quantum matter and quantum computing
-
Peter Lu
(
Perimeter Institute
)
Topological quantum matter and quantum computing
Peter Lu
(
Perimeter Institute
)
09:00 - 10:30
Room: PI/1-100 - Theatre
10:30
Coffee Break
Coffee Break
10:30 - 11:00
Room: PI/1-124 - Lower Bistro
11:00
Group Activity
Group Activity
11:00 - 12:30
Room: PI/4-405 - Bob Room
Saturday, 28 January 2023
Sunday, 29 January 2023
Monday, 30 January 2023
09:00
Topological quantum matter and quantum computing
-
Peter Lu
(
Perimeter Institute
)
Topological quantum matter and quantum computing
Peter Lu
(
Perimeter Institute
)
09:00 - 10:30
Room: PI/1-100 - Theatre
10:30
Coffee Break
Coffee Break
10:30 - 11:00
Room: PI/1-124 - Lower Bistro
11:00
Topological quantum matter and quantum computing (Q&A)
-
Peter Lu
(
Perimeter Institute
)
Topological quantum matter and quantum computing (Q&A)
Peter Lu
(
Perimeter Institute
)
11:00 - 12:30
Room: PI/1-100 - Theatre
12:30
Lunch Break
Lunch Break
12:30 - 14:00
14:00
Fitting models to data using Markov Chain Monte Carlo
-
Dustin Lang
(
Perimeter Institute
)
Fitting models to data using Markov Chain Monte Carlo
Dustin Lang
(
Perimeter Institute
)
14:00 - 15:00
Room: PI/1-100 - Theatre
15:00
Coffee Break
Coffee Break
15:00 - 15:15
Room: PI/1-124 - Lower Bistro
15:15
Fitting models to data using Markov Chain Monte Carlo (tutorial)
-
Dustin Lang
(
Perimeter Institute
)
Fitting models to data using Markov Chain Monte Carlo (tutorial)
Dustin Lang
(
Perimeter Institute
)
15:15 - 16:30
Room: PI/4-405 - Bob Room
Tuesday, 31 January 2023
09:00
Topological quantum matter and quantum computing
-
Peter Lu
(
Perimeter Institute
)
Topological quantum matter and quantum computing
Peter Lu
(
Perimeter Institute
)
09:00 - 10:30
Room: PI/1-100 - Theatre
10:30
Coffee Break
Coffee Break
10:30 - 11:00
Room: PI/1-124 - Lower Bistro
11:00
Effective Field Theory and Symmetries
-
John Donoghue
(
University of Massachusetts Amherst
)
Effective Field Theory and Symmetries
John Donoghue
(
University of Massachusetts Amherst
)
11:00 - 12:30
Room: PI/1-100 - Theatre
These lectures will cover the concepts and techniques of effective field theory. I will try to introduce several of the useful techniques which do not usually get covered in the standard QFT courses and books. We will start with the effective field theory aspects of QED, and end with the treatment of general relativity as a quantum field theory using effective field theory techniques.
12:30
Lunch Break
Lunch Break
12:30 - 14:00
14:00
Topological quantum matter and quantum computing (tutorial)
-
Peter Lu
(
Perimeter Institute
)
Topological quantum matter and quantum computing (tutorial)
Peter Lu
(
Perimeter Institute
)
14:00 - 15:30
Room: PI/4-405 - Bob Room
15:30
Free Time
Free Time
15:30 - 17:00
Room: PI/1-100 - Theatre
17:00
Networking Dinner
Networking Dinner
17:00 - 19:00
Room: PI/2-251 - Upper Bistro
Wednesday, 1 February 2023
09:00
Introduction to Colloquium
Introduction to Colloquium
09:00 - 10:30
Room: PI/1-100 - Theatre
10:30
Coffee Break
Coffee Break
10:30 - 11:00
Room: PI/1-124 - Lower Bistro
11:00
Effective Field Theory and Symmetries
-
John Donoghue
(
University of Massachusetts Amherst
)
Effective Field Theory and Symmetries
John Donoghue
(
University of Massachusetts Amherst
)
11:00 - 12:30
Room: PI/1-100 - Theatre
12:30
Lunch Break
Lunch Break
12:30 - 14:00
14:00
The structure of translational tilings
-
Rachel Greennfeld
(
Institute for Advanced Study
)
The structure of translational tilings
Rachel Greennfeld
(
Institute for Advanced Study
)
14:00 - 15:30
Room: PI/1-100 - Theatre
Translational tiling is a covering of a space (e.g., Euclidean space) using translated copies of a building block, called a "tile'', without any positive measure overlaps. What are the possible ways that a space can be tiled? One of the most well known conjectures in this area is the periodic tiling conjecture. It asserts that any tile of Euclidean space can tile the space periodically. This conjecture was posed 35 years ago and has been intensively studied over the years. In a joint work with Terence Tao, we disprove the periodic tiling conjecture in high dimensions. In the talk, I will motivate this result and discuss our proof.
15:30
Coffee Break
Coffee Break
15:30 - 16:00
Room: PI/1-124 - Lower Bistro
Thursday, 2 February 2023
09:00
Effective Field Theory and Symmetries
-
John Donoghue
(
University of Massachusetts Amherst
)
Effective Field Theory and Symmetries
John Donoghue
(
University of Massachusetts Amherst
)
09:00 - 10:30
Room: PI/1-100 - Theatre
10:30
Coffee Break
Coffee Break
10:30 - 11:00
Room: PI/1-124 - Lower Bistro
11:00
Effective Field Theory and Symmetries (Q&A)
-
John Donoghue
(
University of Massachusetts Amherst
)
Effective Field Theory and Symmetries (Q&A)
John Donoghue
(
University of Massachusetts Amherst
)
11:00 - 12:30
Room: PI/1-100 - Theatre
12:30
Lunch Break
Lunch Break
12:30 - 14:00
14:00
Effective Field Theory and Symmetries (tutorial)
-
John Donoghue
(
University of Massachusetts Amherst
)
Effective Field Theory and Symmetries (tutorial)
John Donoghue
(
University of Massachusetts Amherst
)
14:00 - 15:30
Room: PI/1-100 - Theatre
Friday, 3 February 2023
09:00
Effective Field Theory and Symmetries
-
John Donoghue
(
University of Massachusetts Amherst
)
Effective Field Theory and Symmetries
John Donoghue
(
University of Massachusetts Amherst
)
09:00 - 10:30
Room: PI/1-100 - Theatre
10:30
Coffee Break
Coffee Break
10:30 - 11:00
Room: PI/1-124 - Lower Bistro
11:00
Concluding Remarks followed by Group Activity
Concluding Remarks followed by Group Activity
11:00 - 12:30
Room: PI/4-405 - Bob Room