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Fault tolerance as topology, a duet for chalk and violin
- Daniel Gottesman University of Maryland, College Park
- Lucy Liuxuan Zhang University of Maryland, College Park
April 11, 2022

PIRSA:22040108
Quantum Information
Machine Learning (2021/2022)

Lauren Hayward Perimeter Institute for Theoretical Physics

April 11, 2022

PIRSA:22040067
Quantum Gravity

Aldo Riello Perimeter Institute for Theoretical Physics

April 11, 2022

PIRSA:22040058
Cosmology 2022

Gang Xu Perimeter Institute for Theoretical Physics

April 11, 2022

PIRSA:22040117
Cosmology (2021/2022)
- Kendrick Smith Perimeter Institute for Theoretical Physics
- Gang Xu Perimeter Institute for Theoretical Physics
April 08, 2022

PIRSA:22040078
Causal Operations in Quantum Field Theory

Ian Jubb Dublin Institute For Advanced Studies
April 08, 2022

PIRSA:22040107
Quantum Foundations
Ads/CFT
- Pedro Vieira Perimeter Institute for Theoretical Physics
- Gang Xu Perimeter Institute for Theoretical Physics
April 08, 2022

PIRSA:22040109
Good-Bye and Closing Remarks
- Luis Lehner Perimeter Institute for Theoretical Physics
- Suvodip Mukherjee Tata Institute of Fundamental Research (TIFR)
- Reed Essick Canadian Institute for Theoretical Astrophysics (CITA)
- Daniel Siegel University of Greifswald
- Huan Yang Tsinghua University
- William East Perimeter Institute for Theoretical Physics
April 08, 2022

PIRSA:22040036
Strong Gravity
Quantum Gravity

Aldo Riello Perimeter Institute for Theoretical Physics

April 08, 2022

PIRSA:22040100
Strong Gravity
- William East Perimeter Institute for Theoretical Physics
- Giuseppe Sellaroli
April 08, 2022

PIRSA:22040090
Modeling waveform uncertainty

Michael Puerrer Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
April 08, 2022

PIRSA:22040035
Strong Gravity
Quantum Information and holography
- Beni Yoshida Perimeter Institute for Theoretical Physics
- Aaron Szasz Alphabet (United States)
April 08, 2022

PIRSA:22040111

Fault tolerance as topology, a duet for chalk and violin
- Daniel Gottesman University of Maryland, College Park
- Lucy Liuxuan Zhang University of Maryland, College Park
April 11, 2022

PIRSA:22040108
Quantum Information
We are used to thinking of there being different types of fault-tolerant gates allowing reliable computation on states in a noisy quantum computer: Some are transversal, some involve measurement and magic states, some involve topological manipulations, etc. In this talk, we will demonstrate that transversal gates can be seen as a topological effect, and we will propose an over-arching framework for thinking about fault tolerance in terms of fiber bundles over the Grassmanian, the manifold of subspaces of Hilbert space. The violin will harmonize with the chalkboard to put the talk to music.

Zoom Link: https://pitp.zoom.us/j/97600230984?pwd=NDJ4VjdvUS9palA4YzFnZHBwcnJkUT09
Machine Learning (2021/2022)

Lauren Hayward Perimeter Institute for Theoretical Physics

April 11, 2022

PIRSA:22040067

This course is designed to introduce modern machine learning techniques for studying classical and quantum many-body problems encountered in condensed matter, quantum information, and related fields of physics. Lectures will focus on introducing machine learning algorithms and discussing how they can be applied to solve problem in statistical physics. Tutorials and homework assignments will concentrate on developing programming skills to study the problems presented in lecture.
Quantum Gravity

Aldo Riello Perimeter Institute for Theoretical Physics

April 11, 2022

PIRSA:22040058

Topics will include (but are not limited to): Canonical formulation of constrained systems, The Dirac program, First order formalism of gravity, Loop Quantum Gravity, Spinfoam models, Research at PI and other approaches to quantum gravity.
Cosmology 2022

Gang Xu Perimeter Institute for Theoretical Physics

April 11, 2022

PIRSA:22040117
Cosmology (2021/2022)
- Kendrick Smith Perimeter Institute for Theoretical Physics
- Gang Xu Perimeter Institute for Theoretical Physics
April 08, 2022

PIRSA:22040078

This class is an introduction to cosmology. We'll cover expansion history of the universe, thermal history, dark matter models, and as much cosmological perturbation theory as time permits.
Causal Operations in Quantum Field Theory

Ian Jubb Dublin Institute For Advanced Studies
April 08, 2022

PIRSA:22040107
Quantum Foundations
While Quantum Field Theory is the most accurate theory we have for predicting the microscopic world, there are still open problems regarding its mathematical description. In particular, the usual quantum mechanical description of measurements, unitary kicks, and other local operations has the potential to produce pathological causality violations. Not all local operations lead to such violations, but any that do cannot be physically realisable. It is an open question whether a given local operation in the theory respects causality, and hence whether a given local operation is physical. In this talk I will work toward a general condition that distinguishes causal and acausal local operations.

Zoom Link: https://pitp.zoom.us/j/98089863001?pwd=K2RWL2lNWFd4VDZYd013eUN3alNmQT09
Ads/CFT
- Pedro Vieira Perimeter Institute for Theoretical Physics
- Gang Xu Perimeter Institute for Theoretical Physics
April 08, 2022

PIRSA:22040109
Good-Bye and Closing Remarks
- Luis Lehner Perimeter Institute for Theoretical Physics
- Suvodip Mukherjee Tata Institute of Fundamental Research (TIFR)
- Reed Essick Canadian Institute for Theoretical Astrophysics (CITA)
- Daniel Siegel University of Greifswald
- Huan Yang Tsinghua University
- William East Perimeter Institute for Theoretical Physics
April 08, 2022

PIRSA:22040036
Strong Gravity
Quantum Gravity

Aldo Riello Perimeter Institute for Theoretical Physics

April 08, 2022

PIRSA:22040100
Strong Gravity
- William East Perimeter Institute for Theoretical Physics
- Giuseppe Sellaroli
April 08, 2022

PIRSA:22040090

This course will introduce some advanced topics in general relativity related to describing gravity in the strong field and dynamical regime. Topics covered include properties of spinning black holes, black hole thermodynamics and energy extraction, how to define horizons in a dynamical setting, formulations of the Einstein equations as constraint and evolution equations, and gravitational waves and how they are sourced.
Modeling waveform uncertainty

Michael Puerrer Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
April 08, 2022

PIRSA:22040035
Strong Gravity
Quantum Information and holography
- Beni Yoshida Perimeter Institute for Theoretical Physics
- Aaron Szasz Alphabet (United States)
April 08, 2022

PIRSA:22040111

Title	Date	Collection	Type	Info
Fault tolerance as topology, a duet for chalk and violin	2022‑04‑11	Perimeter Institute Quantum Discussions	Scientific Series	View details
Machine Learning (2021/2022)	2022‑04‑11	Machine Learning (2021/2022)	Course	View details
Quantum Gravity	2022‑04‑11	Quantum Gravity (2021-2022)	Course	View details
Cosmology 2022	2022‑04‑11	Cosmology (2021/2022)	Course	View details
Cosmology (2021/2022)	2022‑04‑08	Cosmology (2021/2022)	Course	View details
Causal Operations in Quantum Field Theory	2022‑04‑08	Quantum Foundations	Scientific Series	View details
Ads/CFT	2022‑04‑08	AdS/CFT 2021/2022	Course	View details
Good-Bye and Closing Remarks	2022‑04‑08	Gravitational Waves Beyond the Boxes II	Conference	View details
Quantum Gravity	2022‑04‑08	Quantum Gravity (2021-2022)	Course	View details
Strong Gravity	2022‑04‑08	Strong Gravity (2021/2022)	Course	View details
Modeling waveform uncertainty	2022‑04‑08	Gravitational Waves Beyond the Boxes II	Conference	View details
Quantum Information and holography	2022‑04‑08	Quantum Information and holography (2021/2022)	Course	View details

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