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Faculty of Mathematics



  • 2020-: Royal Society University Research Fellow, DAMTP, University of Cambridge
  • 2017-2019: Leverhulme Early Career Fellow, DAMTP, University of Cambridge
  • 2013-: John and Delia Agar Research Fellow, Sidney Sussex College, University of Cambridge
  • 2009-2013: PhD, Trinity College, University of Cambridge. Supervisor: Jonathan Oppenheim.


Sergii is a member of the Department of Applied Mathematics and Theoretical Physics and Centre for Quantum Information and Foundations. His current research interests are Quantum Computation and Quantum Information.

Recent research spotlight: 

Quanta MagazineThe Quest to Quantify Quantumness

Researchers aim to analyse pangenomes using quantum computing

A quantum leap: mapping DNA diversity with quantum computing


Together with Tom Gur I am co-organizing Cambridge-Warwick Quantum Computing Colloquium 

I'm leading the following projects:


Postdoctoral research associates

Subhayan Roy Moulik (2023-)

Carolin Wille (2023-)

Davi Castro Silva (2024-) [co-supervising with Anuj Dawar and Tom Gur)

Aditya Jain (2024-)

PhD students

Mitchell Chiew (2020-)

Wilfred Salmon (2021-) [Jointly with Hitachi Cambridge Laboratory]

Josh Cudby (2022-)

Orson Ye (2023-) [MPhil student]

Jed Burkat (2023-) [Jointly with Crispin Barnes]

Summer research students

Chenguang Guan (co-supervised jointly with Laurens Lootens)

Tejas Archarya (co-supervised jointly with Bipasha Chakraborty)

Adam Wills 

Former members 

Thorsten Wahl (2022-2023)


my arXiv preprints are available here.

Selected Publications

  • T. Wahl, S. Strelchuk "Simulating quantum circuits using efficient tensor network contraction algorithms with subexponential upper bound", Phys. Rev. Lett. 131, 180601 (2023).
  • H. Zheng, Z. Li, J. Liu, S. Strelchuk, R. Kondor "Speeding up learning quantum states through group equivariant convolutional quantum Ansatze", PRX Quantum 4, 020327 (2023) 
  • D. Stilck França, S. Strelchuk, M. Studziński, "Efficient classical simulation and benchmarking of quantum processes in the Weyl basis", Phys. Rev. Lett.126, 210502 (2021)
  • M. Hebenstreit, R. Jozsa, B. Kraus, S. Strelchuk, and M. Yoganathan, "All Pure Fermionic Non-Gaussian States Are Magic States for Matchgate Computations", Phys. Rev. Lett. 123, 080503 (2019)
  • V. Havlicek, S. Strelchuk "Quantum Schur sampling circuits can be strongly simulated", Phys. Rev. Lett. 121, 060505 (2018)
  • A. Rocchetto, E. Grant, S. Strelchuk, G. Carleo, S. Severini "Learning hard quantum distributions with variational autoencoders", npj Quantum Information Vol.4, 28 (2018)
  • D. Elkouss, S. Strelchuk "Superadditivity of private information for any number of uses of the channel", Phys. Rev. Lett. 115, 040501 (2015)
  • F. Brandao, A. Harrow, J. Oppenheim, S. Strelchuk "Quantum Conditional Mutual Information, Reconstructed States, and State Redistribution", Phys. Rev. Lett. 115, 050501 (2015)
  • H. Buhrman, L. Czekaj, A. Grudka, M. Horodecki, P. Horodecki, M. Markiewicz, F. Speelman, S. Strelchuk "Quantum communication complexity advantage implies violation of a Bell inequality", PNAS March 22, 2016 vol. 113 no. 12 3191-3196
  • D. Elkouss, S. Strelchuk, M. Ozols, W. Matthews, D. Perez-Garcia, T. Cubitt "Unbounded number of channel uses are required to see quantum capacity", Nature Communications 6, 7739 (2015)
  • R. Jozsa, A. Miyake, S. Strelchuk "Jordan-Wigner formalism for arbitrary 2-input 2-output matchgates and their classical simulation", Quantum Information & Computation Vol. 15, 7-8, 541-556 (2015) 
  • S. Strelchuk, M. Horodecki, J. Oppenheim “Entanglement Recycling and Generalized Teleportation”, Phys. Rev. Lett. 110, 010505 (2013)
  • F. Brandao, J. Oppenheim, S. Strelchuk “When does noise increase the quantum capacity?”, Phys. Rev. Lett. 108, 040501 (2012)


Support from the following organizations is gratefully acknowledged:




Noise is resource-contextual in quantum communication
A Nema, AG Maity, S Strelchuk, D Elkouss
Simultaneous superadditivity of the direct and complementary channel capacities
S Singh, S Strelchuk
Ultrafast Hybrid Fermion-to-Qubit mapping
O O'Brien, S Strelchuk
Minimal Port-based Teleportation
S Strelchuk, M Studziński
– New J. Phys.
Discovering optimal fermion-qubit mappings through algorithmic enumeration
M Chiew, S Strelchuk
– Quantum
Measuring time with stationary quantum clocks
S Strelchuk, MP Woods
Efficient Classical Simulation and Benchmarking of Quantum Processes in the Weyl Basis.
DS França, S Strelchuk, M Studziński
– Physical Review Letters
Stoquastic ground states are classical thermal distributions
R King, S Strelchuk
Computational power of matchgates with supplementary resources
M Hebenstreit, R Jozsa, B Kraus, S Strelchuk
– Physical Review A
All Pure Fermionic Non-Gaussian States Are Magic States for Matchgate Computations
M Hebenstreit, R Jozsa, B Kraus, S Strelchuk, M Yoganathan
– Physical Review Letters
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Research Group

Centre for Quantum Information and Foundations




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