Format results

Talk


Argumentation, Conditionals, and the Use of Information Theoretic Concepts in Bayesianism
Stephan Hartmann LudwigMaximiliansUniversitiät München (LMU)

Being vs. Happening: information from the intrinsic perspective of the system itself
Larissa Albantakis University of Wisconsin–Madison

Causal inference rules for algorithmic dependences and why they reproduce the arrow of time
Dominik Janzing Max Planck Institute for Biological Cybernetics

From observers to physics via algorithmic information theory
Markus Müller Institute for Quantum Optics and Quantum Information (IQOQI)  Vienna

Observer Localization in Multiverse Theories
Marcus Hutter Australian National University

Can quantum states be understood as Bayesian states of belief?
Wayne Myrvold Western University

Introduction to Algorithmic Information Theory and Tutorial
Marcus Hutter Australian National University


Talk

Microcanonical thermodynamics in general physical theories
Carlo Maria Scandolo University of Oxford

Agents, Subsystems, and the Conservation of Information
Giulio Chiribella The University of Hong Kong (HKU)


Inadequacy of modal logic in quantum settings
Lidia del Rio ETH Zurich  Institut für Theoretische Physik

Quantum theory cannot consistently describe the use of itself
Renato Renner ETH Zurich  Institut für Theoretische Physik


Motility of the internalexternal cut as a foundational principle
Robert Spekkens Perimeter Institute for Theoretical Physics

From observers to physics via algorithmic information theory II
Markus Müller Institute for Quantum Optics and Quantum Information (IQOQI)  Vienna


Talk

From 3D TQFTs to 4D models with defects
Bianca Dittrich Perimeter Institute for Theoretical Physics

Hopf algebras and parafermionic lattice models
Joost Slingerland National University of Ireland

Frobenius algebras, Hopf algebras and 3categories
David Reutter Universität Hamburg




Interacting Hopf monoids and Graphical Linear Algebra
Pawel Sobocinski University of Southampton



Talk

How to go from the KS theorem to experimentally testable noncontextuality inequalities
Ravi Kunjwal Funds for Scientific Research  FNRS


Contextuality and Temporal Correlations in Quantum Mechanics
Otfried Guhne University of Siegen


Contextuality as a resource for quantum computation: the trouble with qubits
Juan BermejoVega Freie Universität Berlin

Contextuality and noncontextuality in (qudit) quantum computation
Dan Browne University College London (UCL)  Department of Physics & Astronomy




Talk

Experimental implementation of quantumcoherent mixtures of causal relations
Robert Spekkens Perimeter Institute for Theoretical Physics



Singlephoton test of HyperComplex Quantum Theories
Lorenzo Procopio Universität Wien

Direct experimental reconstruction of the Bloch sphere

Michael Mazurek Institute for Quantum Computing (IQC)

Matthew Pusey University of York



Talk

Toy Holography
Daniel Harlow Massachusetts Institute of Technology (MIT)

Quantum Gravity and Quantum Chaos
Stephen Shenker Stanford University

Eigenstate Thermalization Hypothesis
Markus Müller Institute for Quantum Optics and Quantum Information (IQOQI)  Vienna

Modular hamiltonians in 2d CFT
John Cardy University of California System

Why physicists should care about the complexity zoo
Adam Buland Massachusetts Institute of Technology

Tensor Network Holography

Vijay Balasubramanian University of Pennsylvania

Xiaoliang Qi Stanford University

Brian Swingle University of Maryland, College Park


Black Hole Information Paradox  2
Daniel Harlow Massachusetts Institute of Technology (MIT)

Quantum NP and the Complexity of Ground States
Dorit Aharonov Hebrew University of Jerusalem


Talk






Sudden Sharp Forces and Nonlocal Interactions
Yakir Aharonov Chapman University




Talk

The Complexity and (Un)Computability of Quantum Phase Transitions
James Watson University of Maryland, College Park

Introduction to Quantinuum and TKET
Mark Jackson Paris Centre for Cosmological Physics (PCCP)

Quantum simulation of Z2 lattice gauge theory with dynamical matter
Fabian Grusdt LudwigMaximiliansUniversitiät München (LMU)


Positivity, negativity, entanglement, and holography
Mukund Rangamani University of California System

3D Holography: from discretum to continuum
Bianca Dittrich Perimeter Institute for Theoretical Physics


Wormholes and Complexity
Adam Brown Stanford University


Algorithmic Information, Induction and Observers in Physics
Our universe is of astonishing simplicity: almost all physical observations can in principle be described by a few theories that have short mathematical descriptions. But there is a field of computer science which quantifies simplicity namely algorithmic information theory (AIT). In this workshop we will discuss emerging connections between AIT and physics some of which have recently shown up in fields like quantum information theory and thermodynamics. In particular AIT and physics share one goal: namely to predict future observations given previous data. In fact there exists a gold standard of prediction in AIT called Solomonoff induction which is also applied in artificial intelligence. This motivates us to look at a broader question: what is the role of induction in physics? For example can quantum states be understood as Bayesian states of belief? Can physics be understood as a computation in some sense? What is the role of the observer i.e. the agent that is supposed to perform the predictions? These and related topics will be discussed by a diverse group of researchers from different disciplines.

Observers in Quantum and Foil Theories
Foil theories sometimes called mathematically rigorous science fiction describe ways the world could have been were it not quantum mechanical. Our understanding of quantum theory has been deepened by contrasting it with these alternatives. So far observers in foil theories have only been modeled implicitly for example via the recorded probabilities of observing events. Even when multiagent settings are considered these agents tend to be compatible in the classical sense that they could always compare their observations. Scenarios where agents and their memories are themselves modeled as physical systems within the theory (and could in particular measure each other as in Wigner's friend experiment) have not yet been considered. In this workshop we will investigate which foil theories allow for the existence of explicit observers and whether they allow for paradoxes in multiagent settings such as those found in quantum theory. We will also investigate which interpretations of quantum theory would equally well interpret the foil theories and which interpretations are truly quantum. We will gain a deeper understanding of how this can happen by discussing appropriate definitions observers in these theories and seeing how such observers learn about their environment.

Hopf Algebras in Kitaev's Quantum Double Models: Mathematical Connections from Gauge Theory to Topological Quantum Computing and Categorical Quantum Mechanics
The Kitaev quantum double models are a family of topologically ordered spin models originally proposed to exploit the novel condensed matter phenomenology of topological phases for faulttolerant quantum computation. Their physics is inherited from topological quantum field theories, while their underlying mathematical structure is based on a class of Hopf algebras. This structure is also seen across diverse fields of physics, and so allows connections to be made between the Kitaev models and topics as varied as quantum gauge theory and modified strong complementarity. This workshop will explore this shared mathematical structure and in so doing develop the connections between the fields of mathematical physics, quantum gravity, quantum information, condensed matter and quantum foundations.

Contextuality: Conceptual Issues, Operational Signatures, and Applications
2017 marks 50 years since the seminal 1967 article of Kochen and Specker proving that quantum theory fails to admit of a noncontextual model. Despite the fact that the KochenSpecker theorem is one of the seminal results concerning the foundations of quantum theory, there has never been a large conference dedicated to the subject. The 50year anniversary of the theorem seems an opportune time to remedy this oversight. Furthermore, in the last decade, there have been tremendous advances in the field. New life has been breathed into the subject as old conceptual issues have been reexamined from a new informationtheoretic perspective. Importantly, there has been great progress in making the notion of noncontextuality robust to noise and therefore experimentally testable. Finally, there is mounting evidence that the resource that powers many quantum advantages for information processing is contextuality. In particular, it has been shown to underlie the possibility of universal quantum computation. Many groups worldwide are actively engaged in advancing our knowledge on each of these fronts and in deepening our understanding of the distinction between quantum and classical theories through the lens of contextuality. Through this conference, we aim to bring together leading researchers in the field in order to develop a broader perspective on the issues, draw connections between different approaches, foster a more cohesive community, and set objectives for future research.

Experimental Quantum Foundations
Experimental Quantum Foundations 


Quantum Information in Quantum Gravity II
Quantum Information in Quantum Gravity II