Welcome to |QuantumFIT⟩

Quantum Computing Systems Research Group

|QuantumFIT⟩ is a research group at FIT BUT bringing together researchers and students interested in studying quantum computing systems in a broad range. The main aim of the group is to empower the transition from today’s noisy, small-scale quantum devices to machines delivering a practical quantum advantage, by developing the algorithmic foundations and the software tools needed to design quantum computations, analyse them, and make their results trustworthy.

The group builds on a strong background in formal methods, automated reasoning, and automata theory, and transfers these techniques into the quantum domain: automata and decision diagram models of quantum states and operations, decision procedures based on SAT/SMT solving, and rigorous semantics of quantum circuits and programs. On these foundations we develop prototype tools — simulators, optimizers, verifiers, synthesis engines, and tools supporting the design of quantum error-correcting codes — and design new computations: quantum algorithms and trusted building blocks that come with correctness guarantees and a known resource cost.

A student interested in quantum computing? If you are looking for a topic for a bachelor's or master's thesis, for a project practice, or for a PhD, write to Ondřej Lengál.

Latest News

Parameterized verification of quantum circuits accepted at POPL'26

2025.11.10 publication

The paper “Parameterized Verification of Quantum Circuits” was accepted at POPL'26 in Rennes, France, to appear in PACMPL 10 (POPL).

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Quantum circuit verification in Communications of the ACM

2025.05.29 publication

The paper “An Automata-Based Framework for Verification and Bug Hunting in Quantum Circuits” appeared in the June 2025 issue of Communications of the ACM, volume 68 issue 6, pages 85–93.

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Quantum program verification accepted at TACAS'25

2024.12.23 publication

The paper “AutoQ 2.0: From Verification of Quantum Circuits to Verification of Quantum Programs” was accepted at TACAS'25 in Hamilton, Canada. It extends AutoQ from verifying quantum circuits to verifying quantum programs.

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