Format results
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Topological Quantum Computation and Electrons in Solids
Chetan Nayak University of California, Santa Cruz
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Contextuality for Preparations, Transformations, and Unsharp Measurements
Robert Spekkens Perimeter Institute for Theoretical Physics
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Discrete Wigner Functions and Quantum Computation
Ernesto Galvao Universidade Federal Fluminense
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Superselection Rules and Quantum Protocols
Dominic Mayers University of Sherbrooke
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Talk
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Iterating & Hacking Bayes' Rule in both Classical & Quantum Regimes
Clive Aw National University of Singapore
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Quantum-Classical Correspondence in Weakly Perturbed Integrable Systems
Meenu Kumari National Research Council Canada (NRC)
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Local, causal and compositional measurement in quantum field theory
Robert Oeckl Universidad Nacional Autónoma De Mexico (UNAM)
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On the noncausality – local indistinguishability equivalence and beyond
Hippolyte Dourdent -
Quantum Mechanics and the Large Reference Limit
Emily Adlam Chapman University
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Talk
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Robust characterization of average gate set noise and cross-talk using gate-set shadows
Jadwiga Wilkens Johannes Kepler University of Linz
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Optimizing fermionic Hamiltonians with classical interactions
Maarten Stroeks Delft University of Technology
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(Towards a) Complexity theory for NLQC
Alex May Perimeter Institute for Theoretical Physics
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Optimal cloning of free-fermion states
Yaroslav Herasymenko Perimeter Institute for Theoretical Physics
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Lee-Yang tensors and Hamiltonian complexity
David Gosset Institute for Quantum Computing (IQC)
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Topological Quantum Computation and Electrons in Solids
Chetan Nayak University of California, Santa Cruz
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Contextuality for Preparations, Transformations, and Unsharp Measurements
Robert Spekkens Perimeter Institute for Theoretical Physics
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Discrete Wigner Functions and Quantum Computation
Ernesto Galvao Universidade Federal Fluminense
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Quantum Information and Relativity Theory
Quantum mechanics, information theory, and relativity theory are the basic foundations of theoretical physics. The acquisition of information from a quantum system is the interface of classical and quantum physics. Special relativity imposes severe restrictions on the transfer of information between distant systems. Various applications will be presented. -
Superselection Rules and Quantum Protocols
Dominic Mayers University of Sherbrooke
Superselection rules are limitations on the physically realizable quantum operations that can be carried out by a local agent. For example, it is impossible to create or destroy an isolated particle that carries locally conserved charges, such as an electrically charged particle, a fermion, or (in a two dimensional medium) an anyon. Recently, Popescu has suggested that superselection rules might have interesting implications for the security of quantum cryptographic protocols. The intuitive idea behind this suggestion is that superselection rules could place inescapable limits on the cheating strategies available to the dishonest parties, thus enhancing security. Might, say, unconditionally secure bit commitment be possible in worlds (perhaps including the physical world that we inhabit) governed by suitable superselection rules? An affirmative answer could shake the foundations of cryptography. The purpose of this paper is to answer Popescu's intriguing question. Sadly, our conclusion is that superselection rules can never foil a cheater who has unlimited quantum computational power.