
Polino, Poderini, Rodari, Agresti, Suprano, Carvacho, Wolfe, Canabarro, Moreno, Milani, Spekkens, Chaves, Sciarino
Experimental nonclassicality in a causal network without assuming freedom of choice
Nature Communications 14, online (2023)
[arXiv:2210.07263 (quantph)]

Lorenzo Catani, Matthew Leifer, Giovanni Scala, David Schmid, Robert W. Spekkens
What is nonclassical about uncertainty relations?
Phys. Rev. Lett. 129, 240401 (2022)
[arXiv:2207.11779 (quantph)]

Beata Zjawin, Elie Wolfe, Robert W. Spekkens
Restricted Hidden Cardinality Constraints in Causal Models
Electronic Proceedings in Theoretical Computer Science 343, 119 (2021)
[arXiv:2109.05656 (math.ST)]

Michael Grabowecky, Christopher Pollack, Andrew Cameron, Robert Spekkens, Kevin Resch
Experimentally bounding deviations from quantum theory for a photonic threelevel system using theoryagnostic tomography
Phys. Rev. A 105, 032204 (2022)
[arXiv:2108.05864 (quantph)]

Patrick J. Daley, Kevin J. Resch, Robert W. Spekkens
Experimentally adjudicating between different causal accounts of Bell inequality violations via statistical model selection
Phys. Rev. A 105, 042220 (2022)
[arXiv:2108.00053 (quantph)]

Noam Finkelstein, Beata Zjawin, Elie Wolfe, Ilya Shpitser, Robert W. Spekkens
Entropic Inequality Constraints from eseparation Relations in Directed Acyclic Graphs with Hidden Variables
Proceedings of the ThirtySeventh Conference on Uncertainty in Artificial Intelligence, Proceedings of Machine Learning Research 161, 1045 (2021)
[arXiv:2107.07087 (stat)]

R. Chaves, G. Moreno, E. Polino, D. Poderini, I. Agresti, A. Suprano, M. R. Barros, G. Carvacho, E. Wolfe, A. Canabarro, R. W. Spekkens, F. Sciarrino
Causal networks and freedom of choice in Bell's theorem
Phys. Rev. X Quantum 2 040323 (2021)
[arXiv:2105.05721 (quantph)]

David Schmid, John Selby, Elie Wolfe, Ravi Kunjwal, Robert W. Spekkens
The Characterization of Noncontextuality in the Framework of Generalized Probabilistic Theories
Phys. Rev. X Quantum 2, 010331 (2021)
[arXiv:1911.10386 (quantph)]

Elie Wolfe, David Schmid, Ana Belen Sainz, Ravi Kunjwal, Robert W. Spekkens
Quantifying Bell: the Resource Theory of Nonclassicality of CommonCause Boxes
Quantum 4, 280 (2020)
[arXiv:1903.06311 (quantph)]

Iman Marvian, Robert W. Spekkens
A nobroadcasting theorem for quantum asymmetry and coherence and a tradeoff relation for approximate broadcasting
Phys. Rev. Lett 123, 020404 (2019)
[arXiv:1812.08766 (quantph)]

David Schmid, Katja Ried, and Robert W. Spekkens
Why initial systemenvironment correlations do not imply the failure of complete positivity: a causal perspective
Phys. Rev. A 100, 022112 (2019)
[arXiv:1806.02381 (quantph)]

David Schmid, Robert W. Spekkens, Elie Wolfe
All the noncontextuality inequalities for arbitrary prepareandmeasure experiments with respect to any fixed sets of operational equivalences
Phys. Rev. A 97, 062103 (2018)
[arXiv:1710.08434 (quantph)]

Michael D. Mazurek, Matthew F. Pusey, Kevin J. Resch, Robert W. Spekkens
Experimentally bounding deviations from quantum theory in the landscape of generalized probabilistic theories
Phys. Rev. X Quantum 2, 020302 (2021)
[arXiv:1710.05948 (quantph)]

Ravi Kunjwal and Robert W. Spekkens
From statistical proofs of the KochenSpecker theorem to noiserobust noncontextuality inequalities
Phys. Rev. A 97, 052110 (2018)
[arXiv:1708.04793 (quantph)]

David Schmid and Robert W. Spekkens
Contextual advantage for state discrimination
Phys. Rev. X 8, 011015 (2018)
[arXiv:1706.04588 (quantph)]

Katja Ried, JeanPhilippe W. MacLean, Robert W. Spekkens, Kevin J. Resch
Quantum to classical transitions in causal relations
Phys. Rev. A 95, 062102 (2017)
[arXiv:1707.06131 (quantph)]

Anirudh Krishna, Robert W. Spekkens, and Elie Wolfe
Deriving robust noncontextuality inequalities from algebraic proofs of the KochenSpecker theorem: the PeresMermin square
New J. Phys. 19, 123031 (2017)
[arXiv:1704.01153 (quantph)]

Dax Enshan Koh, Mark D. Penney, and Robert W. Spekkens
Computing quopit Clifford circuit amplitudes by the sumoverpaths technique
Quantum Inf. Comput. 17 (1314) 10811095 (2017)
[arXiv:1702.03316 (quantph)]

JohnMark A. Allen, Jonathan Barrett, Dominic C. Horsman, Ciaran M. Lee, and Robert W. Spekkens
Quantum common causes and quantum causal models
Phys. Rev. X 7, 031021 (2017)
[arXiv:1609.09487 (quantph)]

Elie Wolfe, Robert W. Spekkens, and Tobias Fritz
The Inflation Technique for Causal Inference with Latent Variables
J. Causal Inference 7(2), (2019)
[arXiv:1609.00672 (quantph)]

Dominic Horsman, Chris Heunen, Matthew F. Pusey, Jonathan Barrett, Robert W. Spekkens
Can a quantum state over time resemble a quantum state at a single time?
Proc. R. Soc. A 473(2205), p. 20170395 (2017)
[arXiv:1607.03637 (quantph)]

JeanPhilippe W. MacLean, Katja Ried, Robert W. Spekkens, Kevin J. Resch
Quantumcoherent mixtures of causal relations
Nat. Commun. 8, 15149 (2017)
[arXiv:1606.04523 (quantph)]

Mark D. Penney, Dax Enshan Koh, and Robert W. Spekkens
Quantum circuit dynamics via path integrals: Is there a classical action for discretetime paths?
New J. Phys. 19, 073006 (2017)
[arXiv:1604.07452 (quantph)]

Iman Marvian and Robert W. Spekkens
How to quantify coherence: distinguishing speakable and unspeakable notions
Phys. Rev. A 94, 052324 (2016)
[arXiv:1602.08049 (quantph)]

Iman Marvian, Robert W. Spekkens, and Paolo Zanardi
Quantum speed limits, coherence and asymmetry
Phys. Rev. A 93, 052331 (2016)
[arXiv:1510.06474 (quantph)]

Ravi Kunjwal and Robert W. Spekkens
From the KochenSpecker theorem to noncontextuality inequalities without assuming determinism
Phys. Rev. Lett. 115, 110403 (2015)
[arXiv:1506.04150 (quantph)]

Ciaran M. Lee and Robert W. Spekkens
Causal inference via algebraic geometry: feasibility tests for functional causal structures with two binary observed variables
J. Causal Inference 5(2) (2017)
[arXiv:1506.03880 (stat.ML)]

Michael D. Mazurek, Matthew F. Pusey, Ravi Kunjwal, Kevin J. Resch, Robert W. Spekkens
An experimental test of noncontextuality without unphysical idealizations
Nat. Commun. 7, 11780 (2016)
[arXiv:1505.06244 (quantph)]

Bob Coecke, Tobias Fritz and Robert W. Spekkens
A mathematical theory of resources
Information and Computation 250, 59 (2016).
[arXiv:1409.5531 (quantph)]

Robert W. Spekkens
Quasiquantization: classical statistical theories with an epistemic restriction
Published in book "Quantum Theory: Informational foundations and foils", eds. G. Chiribella and R. W. Spekkens, Springer (2016)
[arXiv:1409.5041 (quantph)]

Katja Ried, Megan Agnew, Lydia Vermeyden, Dominik Janzing, Robert W. Spekkens, Kevin J. Resch
A quantum advantage for inferring causal structure
Nature Physics 11, 414 (2015)
[arXiv:1406.5036 (quantph)]

Iman Marvian and Robert W. Spekkens
Extending Noether's theorem by quantifying the asymmetry of quantum states
Nature Communications 5, 3821 (2014)
[arXiv:1404.3236 (quantph)]

Robert W. Spekkens
The status of determinism in proofs of the impossibility of a noncontextual model of quantum theory
Found. Phys. 44, 1125 (2014)
[arXiv: 1312.3667 (quantph)]

Iman Marvian and Robert W. Spekkens
Modes of asymmetry: the application of harmonic analysis to symmetric quantum dynamics and quantum reference frames
Phys. Rev. A 90, 062110 (2014)
[arXiv:1312.0680 (quantph)]

M. S. Leifer and Robert W. Spekkens
Towards a formulation of quantum theory as a causally neutral theory of Bayesian inference
Phys. Rev. A 88, 052130 (2013)
[arXiv:1107.5849 (quantph)]

Gilad Gour, Markus P. Muller, Varun Narasimhachar, Robert W. Spekkens, Nicole Yunger Halpern
The resource theory of informational nonequilibrium in thermodynamics
Phys. Rep. 583, 1 (2015)
[arXiv:1309.6586 (quantph)]

Iman Marvian and Robert W. Spekkens
The theory of manipulations of pure state asymmetry I: basic tools and equivalence classes of states under symmetric operations
New J. Phys. 15, 033001 (2013)
[arXiv:1104.0018 (quantph)]

Robert W. Spekkens
The paradigm of kinematics and dynamics must yield to causal structure
In "Questioning the Foundations of Physics: Which of Our Fundamental Assumptions Are Wrong?" edited by A. Aguirre, B. Foster, and Z. Merali
[arXiv:1209.0023 (quantph)]

Christopher J. Wood and Robert W. Spekkens
The lesson of causal discovery algorithms for quantum correlations: Causal explanations of Bellinequality violations require finetuning
New J. Phys. 17, 033002 (2015)
[arXiv:1208.4119 (quantph)]

Iman Marvian and Robert W. Spekkens
A generalization of SchurWeyl duality with applications in quantum estimation
Comm. Math. Phys. 331, 431 (2014)
[arXiv:1112.0638 (quantph)]

Stephen D. Bartlett, Terry Rudolph, Robert W. Spekkens
Reconstruction of Gaussian quantum mechanics from Liouville mechanics with an epistemic restriction
Phys. Rev. A 86, 012103 (2012)
[arXiv:1111.5057 (quantph)]

Fernando G. S. L. Brandao, Michal Horodecki, Jonathan Oppenheim, Joseph M. Renes, Robert W. Spekkens
Resource Theory of Quantum States Out of Thermal Equilibrium
Phys. Rev. Lett. 111, 250404 (2013)
[arXiv:1111.3882 (quantph)]

M. S. Leifer and Robert W. Spekkens
A Bayesian approach to compatibility, improvement, and pooling of quantum states
J. Phys. A: Math. Theor. 47 , 275301 (2014)
[arXiv:1110.1085 (quantph)]

Iman Marvian and Robert W. Spekkens
Asymmetry properties of pure quantum states
Phys. Rev. A 90, 014102 (2014)
[arXiv:1105.1816 (quantph)]

Bob Coecke and Robert W. Spekkens
Picturing classical and quantum Bayesian inference
Synthese 186, 651 (2012)
[arXiv:1102.2368 (quantph)]

YeongCherng Liang, Robert W. Spekkens, Howard M. Wiseman
Specker's Parable of the Overprotective Seer: A Road to Contextuality, Nonlocality and Complementarity
Physics Reports 506, 1 (2011)
[arXiv:1010.1273 (quantph)]

Lucien Hardy and Robert Spekkens
Why Physics Needs Quantum Foundations
Physics in Canada 66, 73 (2010)
[arXiv:1003.5008 (quantph)]

Bob Coecke, Bill Edwards, Robert W. Spekkens
Phase groups and the origin of nonlocality for qubits
Electronic Notes in Theoretical Computer Science 270, 15 (2011)
[arXiv:1003.5005 (quantph)]

Howard Barnum, Jonathan Barrett, Lisa Orloff Clark, Matthew Leifer , Robert Spekkens, Nicholas Stepanik, Alex Wilce and Robin Wilke
Entropy and information causality in general probabilistic theories
New J. Phys. 12, 033024 (2010).
[arXiv:0909.5075 (quantph)]

Nicholas Harrigan and Robert W. Spekkens
Einstein, incompleteness, and the epistemic view of quantum states
Found. Phys. 40, 125 (2010)
[arXiv:0706.2661 (quantph)]

Gilad Gour, Iman Marvian and Robert W. Spekkens
Measuring the quality of a quantum reference frame: the relative entropy of frameness
Phys. Rev. A 80, 012307 (2009)
[arXiv:0901.0943 (quantph)]

Stephen D. Bartlett, Terry Rudolph, Robert W. Spekkens, and Peter S. Turner
Quantum communication using a boundedsize quantum reference frame
New J. Phys. 11 063013 (2009)
arXiv:0812.5040 (quantph)

Robert W. Spekkens, D. H. Buzacott, A. J. Keehn, Ben Toner, G. J. Pryde
Preparation Contextuality Powers ParityOblivious Multiplexing
Phys. Rev. Lett. 102 , 010401 (2009)
[arXiv:0805.1463 (quantph)]

Dennis Kretschmann, David W. Kribs and Robert W. Spekkens
Complementarity of Private and Correctable Subsystems in Quantum Cryptography and Error Correction
Phys. Rev. A 78, 032330 (2008)
[arXiv:0711.3438 (quantph)]

Robert W. Spekkens
Negativity and contextuality are equivalent notions of nonclassicality
Phys. Rev. Lett. 101, 020401 (2008)
[arXiv:0710.5549v1 (quantph)]

Gilad Gour and Robert W. Spekkens
The resource theory of quantum reference frames: manipulations and monotones
New J. Phys. 10, 033023 (2008)
[arXiv:0711.0043 (quantph)]

Robert W. Spekkens and H. M. Wiseman
Pooling quantum states obtained by indirect measurements
Phys. Rev. A 75, 042104 (2007)
[arXiv:quantph/0612190]

Stephen D. Bartlett, Terry Rudolph, and Robert W. Spekkens
Reference frames, superselection rules, and quantum information
Rev. Mod. Phys. 79, 555 (2007)
[arXiv:quantph/0610030]

Mark R. Dowling, Stephen D. Bartlett, Terry Rudolph, Robert W. Spekkens
Observing a coherent superposition of an atom and a molecule
Phys. Rev. A 74, 052113 (2006)
[arXiv:quantph/0606128]

David W. Kribs and Robert W. Spekkens
Quantum ErrorCorrecting Subsystems are Unitarily Recoverable Subsystems
Phys. Rev. A 74, 042329 (2006)
[arXiv:quantph/0608045]

Stephen D. Bartlett, Terry Rudolph, Robert W. Spekkens, and Peter S. Turner,
Degradation of a quantum reference frame
New J. Phys. 8, 58 (2006)
[arXiv:quantph/0602069]

Gilad Gour and Robert W. Spekkens
Entanglement of Assistance is not a bipartite measure nor a tripartite monotone
Phys. Rev. A 73, 062331 (2006)
[arXiv:quantph/0512139]

Jonathan Oppenheim, Robert W. Spekkens and Andreas Winter
A classical analogue of negative information
Accepted for publication in Phys. Rev. Lett but unpublished due to copyright dispute.
[arXiv:quantph/0511247]

Stephen D. Bartlett, Terry Rudolph and Robert W. Spekkens
Dialogue Concerning Two Views on Quantum Coherence: Factist and Fictionist
Int. J. Quantum Inf. 4, 17 (2006)
[arXiv:quantph/0507214]

Stephen D. Bartlett, Patrick Hayden and Robert W. Spekkens
Random subspaces for encryption based on a private shared Cartesian frame
Phys. Rev. A 72, 052329 (2005)
[arXiv:quantph/0506260]

M. S. Leifer and R. W. Spekkens
Pre and Postselection paradoxes and contextuality in quantum mechanics
Phys. Rev. Lett. 95, 200405 (2005)
[arXiv:quantph/0412178]

M. S. Leifer and R. W. Spekkens
Logical Pre and PostSelection paradoxes, measurementdisturbance and contextuality
Proceedings of QS 2004, Int. J. Theor. Phys. 44, 1977 (2005)
[arXiv:quantph/0412179]

Stephen D. Bartlett, Andrew C. Doherty, Robert W. Spekkens and H. M. Wiseman
Entanglement under restricted operations: Analogy to mixedstate entanglement
Phys. Rev. A 73, 022311 (2005)
[arXiv:quantph/0412158]

R. W. Spekkens
Contextuality for preparations, transformations, and unsharp measurements
Phys. Rev. A 71, 052108 (2005)
[arXiv:quantph/0406166]

Robert W. Spekkens
Evidence for the epistemic view of quantum states: a toy theory
Phys. Rev. A 75, 032110 (2007)
[arXiv:quantph/0401052]

J.C. Boileau, D. Gottesman, R. Laflamme, D. Poulin, R.W. Spekkens
Robust polarizationbased quantum key distribution over collectivenoise channel
Phys. Rev. Lett. 92, 017901 (2004)
[arXiv:quantph/0306199]

Stephen D. Bartlett, Terry Rudolph, and Robert W. Spekkens
Optimal measurements for relative quantum information
Phys. Rev. A 70, 032321 (2004)
[arXiv:quantph/0310009]

Terry Rudolph and Robert W. Spekkens
Quantum State Targeting
Phys. Rev. A 70, 052306 (2004)
[arXiv:quantph/0310060]

Terry Rudolph, Robert W. Spekkens, Peter S. Turner
Unambiguous discrimination of mixed states
Phys. Rev. A 68, 010301(R) (2003)
[arXiv:quantph/0303071]

Stephen D. Bartlett, Terry Rudolph and R. W. Spekkens,
Classical and Quantum Communication without a Shared Reference Frame,
Phys. Rev. Lett. 91, 027901 (2003)
[arXiv:quantph/0302111]

R. W. Spekkens and Terry Rudolph
Quantum protocol for cheatsensitive weak coin flipping
Phys. Rev. Lett. 89, 227901 (2002)
[arXiv:quantph/0202118]

R. W. Spekkens and T. Rudolph
Optimization of coherent attacks in generalizations of the BB84 quantum bit commitment protocol
Quantum Inform. Compu. 2, 66 (2002)
[arXiv:quantph/0107042]

R. W. Spekkens and T. Rudolph
Degrees of concealment and bindingness in quantum bit commitment protocols
Phys. Rev. A 65, 012310 (2001)
[arXiv:quantph/0106019]

R. W. Spekkens and J. E. Sipe
A Modal Interpretation of Quantum Mechanics Based on a Principle of Entropy Minimization
Found. Phys. 31, 1431 (2001)
[arXiv:quantph/0003092]

R. W. Spekkens and J. E. Sipe
NonOrthogonal Core Projectors for Modal Interpretations of Quantum Mechanics
Found. Phys. 31, 1403 (2001).
[arXiv:quantph/0003092]

R. W. Spekkens and J. E. Sipe
Spatial fragmentation of a BoseEinstein condensate in a doublewell potential
Phys. Rev. A 59, 3868 (1999)
[arXiv:quantph/9810094]