Program

Below you can find an overview of the conference schedule. Unless otherwise specified, all talks will take place in person.

📌 Here is the full conference schedule in pdf. It carries the abstract of every talk and, at the end, the abstract of every poster together with the board it hangs on.
📌 The poster session is on Tuesday 18 August, 17:30 – 19:30, in the central hall on the first floor of the A-building.

Monday, August 17th Tuesday, August 18th Wednesday, August 19th Thursday, August 20th Friday, August 21st
8:45 – 9:30 Registration
9:30 – 10:15 Long Plenary Talks Long Plenary Talks Long Plenary Talks Long Plenary Talks Long Plenary Talks
10:15 – 11:00
11:00 – 11:30 Coffee Break
11:30 – 11:55 Short Plenary Talks Short Plenary Talks Industry Session Short Plenary Talk Business Meeting
11:55 – 12:20 Conference Photo
12:30 – 14:30 Lunch Break
14:30 – 14:55 Parallel Sessions Parallel Sessions Parallel Sessions Parallel Sessions
14:30 – 16:10		 Parallel Sessions
14:55 – 15:20
15:20 – 15:45
15:45 – 16:15 Coffee Break Coffee Break
16:15 – 16:40 Parallel Sessions Parallel Sessions Parallel Sessions
16:15 – 17:05		 Parallel Sessions
16:15 – 17:05
16:40 – 17:05 Coffee Break
17:05 – 17:30 Career Fair
16:30 – 19:00 		Goodbye!
Poster Session
17:30 – 19:30 		Boat Tour
17:30 – 18:30
Conference Dinner
19:00 onwards


Monday, August 17th
8:50 – 9:30 Registration
Long plenary talksRoom A0.01
Session Chair Aleks Kissinger
9:30 – 10:15 Alex Maltesson, Ludvig Rodung, Niklas Budinger, Giulia Ferrini, Cameron Calcluth Equivalence of continuous- and discrete-variable gate-based quantum computers with finite energy 🎥
10:15 – 11:00 Raphaël Mothe, Jessica Bavaresco Efficient quantum-circuit simulation of classical control of causal order🎥
Coffee break
Short plenary talksRoom A0.01
Session Chair Miriam Backens
11:30 – 11:55 Vinicius Pretti Rossi, Beata Zjawin, Roberto D. Baldijão, David Schmid, John H. Selby, Ana Belén Sainz How typical is contextuality? 🎥
11:55 – 12:20 Dichuan Gao, Razin A. Shaikh, Aleks Kissinger Graphical algebraic geometry: from ideals and varieties to qudit ZH completeness 🎥
Lunch break
Parallel ARoom A0.01 Parallel BRoom A1.02 Parallel CRoom A1.03
Session Chair Augustin Vanrietvelde Andre Kornell Aleks Kissinger
14:30 – 14:55 Yìlè Yīng, Maria Ciudad Alanon, Daniel Centeno, Jacopo Surace, Marina Maciel Ansanelli, Ruizhi Liu, David Schmid, Robert Spekkens On whether quantum theory needs complex numbers: the foil theories perspective 🎥 Tomoaki Kawano, Ryo Kashima Restricted negation in orthomodular logic 🎥 Alexandre Clément A complete equational theory for real-Clifford+CH quantum circuits 🎥
14:55 – 15:20 Timothée Hoffreumon, Mischa P. Woods On the experimental falsification of real QT 🎥 Tim Achenbach, Andreas Bluhm, Leevi Leppäjärvi, Ion Nechita, Martin Plávala Factorization of multimeters: a unified view on nonclassical quantum phenomena Xiaoning Bian, Sarah Meng Li, Neil J. Ross, John van de Wetering, Yuming Zhao A complete and natural rule set for multi-qudit Clifford circuits in all odd prime dimensions 🎥
15:20 – 15:45 Timothée Hoffreumon, Mischa P. Woods A real matrix theory consistent with QT 🎥 Bert Lindenhovius, Vladimir Zamdzhiev Operator spaces, linear logic and the Heisenberg–Schrödinger duality of quantum theory 🎥 Colin Blake Completeness for prime-dimensional phase-affine circuits 🎥
Coffee break
Session Chair Augustin Vanrietvelde Martti Karvonen Simon Perdrix
16:15 – 16:40 Beata Zjawin, Marina Maciel Ansanelli, David Schmid, Yìlè Yīng, John H. Selby, Ciarán M. Gilligan-Lee, Ana Belén Sainz, Robert Spekkens The resource theory of causal influence and knowledge of causal influence 🎥 Priyaa Varshinee Srinivasan, Jean-Simon Pacaud Lemay, Robin Cockett Generalized inverses of quantum channels: a categorical perspective 🎥 Fedor Kuyanov, Aleks Kissinger Efficient classical simulation of low-rank-width quantum circuits using ZX-calculus 🎥
16:40 – 17:05 Luca Apadula, Alessandro Bisio, Giulio Chiribella, Paolo Perinotti, Kyrylo Simonov Higher-order transformations of bidirectional quantum processes 🎥 Remote Andre Kornell, Bert Lindenhovius The category of quantum graphs is closed Kwok Ho Wan, Zhenghao Zhong, Ainhoa Zapirain Simulating magic state cultivation with few Clifford terms 🎥 Remote
17:05 – 17:30 Carla Ferradini, Giulia Mazzola, V. Vilasini Emergent causal order and time direction: bridging causal models and tensor networks 🎥 James Hefford Nuclearity and trace in monoidal bicategories with application to extended CFTs 🎥 Mark Koch Classical Clifford+T sampling without computing marginals 🎥
Tuesday, August 18th
Long plenary talks (merged)Room A0.01
Session Chair John van de Wetering
9:30 – 10:15 Benjamin Rodatz, Boldizsár Poór, Aleks Kissinger / Maximilian Rüsch, Aleks Kissinger, Benjamin Rodatz Fault tolerance by construction 🎥/ Completeness for fault equivalence of Clifford ZX diagrams 🎥
10:15 – 11:00 Samson Abramsky, Rui Soares Barbosa, Carmen Constantin, Martti Karvonen Algebraic paradoxes in adaptive quantum computation 🎥
Coffee break
Short plenary talksRoom A0.01
Session Chair Titouan Carette
11:30 – 11:55 Manuel Mekonnen, Thomas D. Galley, Markus P. Müller Invariance under quantum permutations rules out parastatistics🎥
11:55 – 12:20 Marek Arsenault, Hlér Kristjánsson Linearised quantum signal processing 🎥
Lunch break
Parallel ARoom A0.01 Parallel BRoom A1.02 Parallel CRoom A1.03
Session Chair Simon Perdrix Beata Zjawin Priyaa Varshinee Srinivasan
14:30 – 14:55 Andrey Boris Khesin, Sarah Meng Li, Boldizsár Poór, Benjamin Rodatz, John van de Wetering, Richie Yeung SpiderCat: optimal fault-tolerant cat state preparation 🎥 Roberto D. Baldijão, Marco Erba, David Schmid, John Selby, Ana Belén Sainz Tomographically-nonlocal entanglement 🎥 Matthew Wilson Agent policies from higher-order causal functions🎥
14:55 – 15:20 Kwok Ho Wan, Henry Price, Qing Yao Holographic codes seen through ZX-calculus🎥Remote Alexandru Baltag, Sonja Smets Logic meets Wigner's friend (and their friends)🎥 V. Vilasini, Lin-Qing Chen, Liuhang Ye, Renato Renner Events and their localisation are relative to a lab🎥
15:20 – 15:45 Cole Comfort, Giovanni de Felice The delayed stabiliser ZX-calculus🎥 Cihan Okay, Aziz Kharoof The geometry of fiber products of probability polytopes🎥 Zixuan Liu, Ognyan Oreshkov Parity erasure: a foundational principle for indefinite causal order🎥
Coffee break
Session Chair Ravi Kunjwal Sonja Smets V. Vilasini
16:15 – 16:40 Vincenzo Fiorentino, Kuntal Sengupta No extension of the Quantum Tensor Product admits a superposition principle🎥 Tom Williams, Mina Doosti, Farid Shahandeh Sheaf-theoretic preparation contextuality via stochastic extension🎥 Luca Apadula, Alexei Grinbaum, Časlav Brukner Reference frames for process matrices: from coordinate parametrization to spacetime representation🎥
16:40 – 17:05 Gaurang Agrawal, Matt Wilson Deriving the generalised Born rule from first principles🎥 Theodoros Yianni, Farid Shahandeh, Nyan Raess Linear algebra of generalized contextuality in prepare-transform-measure scenarios🎥 Raphaël Le Bihan, Alastair Abbott, Mnacho Echenim Probing the composition of processes with first-order-ISOMIX logic🎥
17:05 – 17:30 James Hefford, Matt Wilson Quantum theory can decohere from a causally-indefinite post-quantum theory🎥 David Schmid, Roberto D. Baldijão, John Selby, Ana Belen Sainz, Robert W. Spekkens Noncontextuality inequalities for prepare-transform-measure scenarios🎥 Yassine Benhaj, Kuntal Sengupta, Cyril Branciard How many systems can be dephased before the quantum switch becomes causally definite?🎥
Poster session (with reception) 17:30 – 19:30 — see all posters
Wednesday, August 19th
Long plenary talks (merged)Room A0.01
Session Chair John van de Wetering
9:30 – 10:15 Miriam Backens, Simon Perdrix / Miriam Backens Completeness for flow-preserving rewrite rules / Generating one-way computations with flow: flow-preserving rewriting that ignores the interpretation🎥
10:15 – 11:00 Quanlong Wang, Richard D. P. East, Razin A. Shaikh, Lia Yeh, Boldizsár Poór, Bob Coecke Beyond Penrose tensor diagrams with the ZX calculus: applications to quantum computing, quantum machine learning, condensed matter physics, and quantum gravity🎥
Coffee break
11:30 – 12:20 Industry sessionRoom A0.01
Lunch break
Parallel ARoom A0.01 Parallel BRoom A1.02 Parallel CRoom A1.03
Session Chair Robin Kaarsgaard Lia Yeh Priyaa Varshinee Srinivasan
14:30 – 14:55 Leonardo Vaglini, Nasra Daher Ahmed, Ravi Kunjwal Causal inequalities witness non-stabilizerness without magic🎥 Nathan Claudet, Simon Perdrix Insights in graph state entanglement via r-local complementation: structure and a quasi-polynomial algorithm🎥 Pablo Arrighi, Doğukan Bakircioglu, Nathan Houyet Quantum theory over dual-complex numbers🎥
14:55 – 15:20 Matthew Wilson, James Hefford, Timothée Hoffreumon Supermaps on generalised theories🎥 Piotr Mitosek, Miriam Backens Working with measurement-based computations on qudits🎥 Nicolas Moulonguet, Augustin Vanrietvelde Subsystems as subsets of quantum channels, and the strange case of blind agents🎥
15:20 – 15:45 Samson Abramsky, Radha Jagadeesan Essential unitarity for higher-order quantum computation🎥 Aleks Kissinger, John van de Wetering ZX-flow: a flexible criterion for deterministic computation with ZX-diagrams🎥 John Harding, Alexander Wilce Classical explanations in (and of) general probabilistic theories🎥
Coffee break
Session Chair Alastair Abbott Rui Soares Barbosa Titouan Carette
16:15 – 16:40 Thomas Bartsch, Yuhan Gai, Sakura Schäfer-Nameki Beyond Wigner – how non-invertible symmetries preserve probabilitiesRemote🎥 Haytham McDowall-Rose, Razin A. Shaikh, Lia Yeh From fermions to qubits: a ZX-calculus perspective🎥 Amrapali Sen, Flavio Del Santo Superluminal transformations and indeterminism🎥
16:40 – 17:05 Vanessa Brzić, Satoshi Yoshida, Mio Murao, Marco Túlio Quintino Higher-order quantum computing with known input states🎥 Lia Yeh, Jiaxin Huang, Aleks Kissinger, Sarah Meng Li, John van de Wetering A three-way normal form for stabiliser codes across ZX diagrams, circuits, and tableaus🎥 Maarten Grothus, V. Vilasini Impossibility of superluminal signalling rules out causal loops in conical spacetimes🎥
Boat tour 17:30 – 18:30
Conference dinner starting 19:00
Thursday, August 20th
Long plenary talksRoom A0.01
Session Chair Robin Kaarsgaard
9:30 – 10:15 Cole Comfort, Robert I. Booth Denotational semantics for stabiliser quantum programs🎥
10:15 – 11:00 Kathleen Barsse, Romain Péchoux, Simon Perdrix Quantum control and general recursion beyond the unitary case🎥
Coffee break
Short plenary talkRoom A0.01
Session Chair Ravi Kunjwal
11:30 – 11:55 Aabhas Gulati, Ion Nechita, Clément Pellegrini Entanglement in the Dicke subspace🎥
11:55 – 12:20 Conference photo
Lunch break
Parallel ARoom A1.02 Parallel BRoom A2.09 Parallel CRoom A1.03
Session Chair Miriam Backens Rui Soares Barbosa Vinicius Pretti Rossi
14:30 – 14:55 Arianne Meijer-van de Griend, Leo Becker Pauli gadget synthesis for gatesets with arbitrary even-arity Clifford gates🎥 Haruki Emori Quantum statistical functions🎥 Nadish de Silva, Santanil Jana, Ming Yin Three-qubit nonlocality paradoxes: beyond GHZ🎥
14:55 – 15:20 Soichiro Yamazaki, Seiseki Akibue Multi-qubit controlled gate with optimal T-count🎥 Michael Zurel, Jack Davis Basis-independent stabilizerness and maximally noisy magic states🎥 Shashaank Khanna, Matthew Pusey, Roger Colbeck Spurious quantum correlations🎥
15:20 – 15:45 Akash Kundu Tensor and gadget reinforcement learning for improved, hardware-aware quantum architecture search🎥 Cameron Calcluth, Oliver Hahn, Juani Bermejo Vega, Alessandro Ferraro, Giulia Ferrini Classical simulation of circuits with realistic odd-dimensional Gottesman–Kitaev–Preskill states🎥 C. E. Lopetegui-Gonzalez, G. Masse, E. Oudot, U. I. Meyer, F. Centrone, F. Grosshans, P. E. Emeriau, U. Chabaud, M. Walschaers A unified framework for Bell inequalities from continuous-variable contextuality🎥
15:45 – 16:10 Mark Deaconu, Nihar Gargava, Amolak Ratan Kalra, Michele Mosca, Jon Yard Buildings for synthesis with Clifford+R🎥 Massimo Frigerio, Mattia Walschaers, Andrei Aralov, Carlos Ernesto Lopetegui-Gonzalez, Emilie Gillet Algebraic techniques for photonic state preparation and characterization🎥 Martin J. Renner, Edwin Peter Lobo, Arturo Konderak, Remigiusz Augusiak, Antonio Acín Full nonlocality for non-maximally entangled states🎥
Coffee break 16:10 – 16:40
Career fair 16:40 – 19:00
Friday, August 21st
Long plenary talksRoom A0.01
Session Chair Jan-Ã…ke Larsson
9:30 – 10:15 Thea Li, Vladimir Zamdzhiev Quantum coherence spaces revisited: a von Neumann (co)algebraic approach🎥
10:15 – 11:00 Matilde Baroni, Dominik Leichtle, Ivan Šupić, Damian Markham, Marco Túlio Quintino Composable simultaneous purification: when all communication scenarios reduce to spatial correlations🎥
Coffee break
11:30 – 12:20 Business meetingRoom A0.01
Lunch break
Parallel ARoom A0.01 Parallel BRoom A1.02 Parallel CRoom A1.03
Session Chair Andrey Boris Khesin Peter Selinger Farid Shahandeh
14:30 – 14:55 Simon Burton, Hussain Anwar Meromorphic quantum computing🎥 Noé Delorme, Simon Perdrix Diagrammatic reasoning with control as a constructor, applications to quantum circuits🎥 David Schmid, John H. Selby, Vinicius Pretti Rossi, Roberto D. Baldijão, Ana Belén Sainz Shadows and subsystems of generalised probabilistic theories: when tomographic incompleteness is not a loophole for contextuality proofs🎥
14:55 – 15:20 Christine Li, Lia Yeh Transversal AND in quantum codes🎥 Chris Heunen, Robin Kaarsgaard, Louis Lemonnier One rig to control them all🎥 Jan-Åke Larsson The contextual Heisenberg microscope🎥
15:20 – 15:45 Jin Ming Koh, Anqi Gong, Andrei C. Diaconu, Daniel Bochen Tan, Alexandra A. Geim, Michael J. Gullans, Norman Y. Yao, Mikhail D. Lukin, Shayan Majidy Phantom codes: entangling logical qubits without physical operations🎥Remote William Schober, Scott Wesley A complete equational theory for quantum circuits with generalized control🎥 Daniel McNulty Quantifying quantum measurement incompatibility via graph invariants🎥
Coffee break
Session Chair Peter Selinger Marco Túlio Quintino Alastair Abbott
16:15 – 16:40 Vivien Vandaele Asymptotically optimal quantum circuits for comparators and incrementers🎥 Sacha Cerf, Harold Ollivier The perturbative method for quantum correlations🎥 Raffaele D'Avino, Lorenzo Caramelli, Raja Yehia, Gabriel Senno, Roberto González Pousa, Antonio Acín, Tamás Kriváchy Device independent quantum key distribution with a single measurement per site🎥
16:40 – 17:05 Giuseppe De Riso, Giuseppe Catalano, Seth Lloyd, Vittorio Giovannetti, Dario De Santis A resource-efficient quantum-walker quantum RAM🎥 Paul Becsi, Matthew Joseph Hoban Bounding classical and quantum correlations in Bayesian networks with quasiprobabilities🎥
End of QPL 2026. Goodbye!