Jan Kochanowski

dblp:413/8628 · DBLP profile ↗
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1ranked-venue papers
0as first author
1since 2021 · last 2026
0000-0001-9628-4375ORCID · reported

Domains — the database's venue-derived domains; a paper can count in several

Theory of computation · 1 · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Theoretical computer science
1 paper
Quantum computing and quantum information · 83% Information theory · 17%

Topics — the 6 heaviest of 6, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Quantum computing and quantum information
entanglement measures
1.012026
Efficient Quantum Measurements: Computational Max- and Measured Rényi Divergences and Applications · IEEE Trans. Inf. Theory 2026
Information theory
hypothesis testing
1.012026
Efficient Quantum Measurements: Computational Max- and Measured Rényi Divergences and Applications · IEEE Trans. Inf. Theory 2026
Quantum computing and quantum information › quantum information theory
quantum divergence
1.012026
Efficient Quantum Measurements: Computational Max- and Measured Rényi Divergences and Applications · IEEE Trans. Inf. Theory 2026
Quantum computing and quantum information
quantum information theory
1.012026
Efficient Quantum Measurements: Computational Max- and Measured Rényi Divergences and Applications · IEEE Trans. Inf. Theory 2026
Quantum computing and quantum information
quantum resource theory
1.012026
Efficient Quantum Measurements: Computational Max- and Measured Rényi Divergences and Applications · IEEE Trans. Inf. Theory 2026
Quantum computing and quantum information › quantum measurement
quantum state discrimination
1.012026
Efficient Quantum Measurements: Computational Max- and Measured Rényi Divergences and Applications · IEEE Trans. Inf. Theory 2026

Methods — techniques the papers use, named apart from their topics

information-theoretic tools · 1.0geometric method · 1.0binary measurements · 1.0
YearPublicationVenuePosition
2026 Efficient Quantum Measurements: Computational Max- and Measured Rényi Divergences and Applications
abstract
Quantum information processing is limited, in practice, to efficiently implementable operations. This motivates the study of quantum divergences that preserve their operational meaning while faithfully capturing these computational constraints. Using geometric, computational, and information theoretic tools, we define two new types of computational divergences, which we termcomputational max-divergence and computational measured Rényi divergences. Both are constrained by a family of efficient binary measurements, and thus useful for state discrimination tasks in the computational setting. We prove that, in the infinite-order limit, the computational measured Rényi divergence coincides with the computational max-divergence, mirroring the corresponding relation in the unconstrained information-theoretic setting. For the many-copy regime, we introduce regularized versions and establish a one-sided computational Stein bound on achievable hypothesis-testing exponents under efficient measurements, giving the regularized computational measured relative entropy an operational meaning. We further define resource measures induced by our computational divergences and prove an asymptotic continuity bound for the computational measured relative entropy of resource. Focusing on entanglement, we relate our results to previously proposed computational entanglement measures and provide explicit separations from the information-theoretic setting. Together, these results provide a principled, cohesive approach towards state discrimination tasks and resource quantification under computational constraints.
Álvaro Yángüez, Thomas A. Hahn, Jan Kochanowski
IEEE Trans. Inf. Theory3