## Career

**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.

## Research

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.

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

I'm leading (jointly with Bipasha Chakraborty) Quantum Algorithms for Quantum Field Theory project, 2022-2025

I'm leading EPSRC Robust and Reliable Quantum Computing Grant "Structure and symmetry in quantum verification", 2023-2025

## Postdoctoral research associates

Thorsten Wahl (2022-)

## PhD students

Mitchell Chiew (2020-)

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

Josh Cudby (2022-)

## Summer research students

## Preprints

my arXiv preprints are available here.

## Selected Publications

- H. Zheng, Z. Li, J. Liu, S. Strelchuk, R. Kondor "Speeding up learning quantum states through group equivariant convolutional quantum Ansatze", PRX Quantum (2023) [arxiv:2112.07611]
- 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)**

## Publications

Quantum advantage of unitary Clifford circuits with magic state inputs

– Proceedings of the Royal Society A

(2019)

475,

20180427

(DOI: 10.1098/rspa.2018.0427)

Quantum Schur Sampling Circuits can be Strongly Simulated.

– Phys Rev Lett

(2018)

121,

060505

Learning hard quantum distributions with variational autoencoders

– npj Quantum Information

(2018)

4,

28

(DOI: 10.1038/s41534-018-0077-z)

Optimal port-based teleportation

– New Journal of Physics

(2018)

20,

053006

(DOI: 10.1088/1367-2630/aab8e7)

Port-based teleportation in arbitrary dimension

– Scientific Reports

(2017)

7,

10871

(DOI: 10.1038/s41598-017-10051-4)

Quantum conditional query complexity

– Quantum Information and Computation

(2017)

17,

541

Efficient classical verification of quantum computations

(2017)

Nonconvexity of private capacity and classical environment-assisted capacity of a quantum channel

– Physical Review A

(2016)

94,

040301

(DOI: 10.1103/physreva.94.040301)

Correction for Buhrman et al., Quantum communication complexity advantage implies violation of a Bell inequality

– Proceedings of the National Academy of Sciences of the United States of America

(2016)

113,

E3050

(DOI: 10.1073/pnas.1606259113)

Quantum communication complexity advantage implies violation of a Bell inequality.

– Proc Natl Acad Sci U S A

(2016)

113,

3191

(DOI: 10.1073/pnas.1507647113)

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