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Dénes Petz

dblp:01/10151 · DBLP profile ↗
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2ranked-venue papers
1as first author
0since 2021 · last 2014
—ORCID · none

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

Theory of computation · 2 · 1 first-author

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
2 papers
Quantum computing and quantum information · 82% Information theory · 18%

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

TopicWeightPapersLastEvidence papers
Quantum computing and quantum information
quantum measurement		 0.212014
Conditional SIC-POVMs · IEEE Trans. Inf. Theory 2014
Quantum computing and quantum information
quantum state tomography		 0.212014
Conditional SIC-POVMs · IEEE Trans. Inf. Theory 2014
Quantum computing and quantum information › quantum metrology
quantum fisher information		 0.112009
Quantum Covariance, Quantum Fisher Information, and the Uncertainty Relations · IEEE Trans. Inf. Theory 2009
Quantum computing and quantum information
quantum information theory		 0.112009
Quantum Covariance, Quantum Fisher Information, and the Uncertainty Relations · IEEE Trans. Inf. Theory 2009
Information theory › signal processing › time-frequency analysis
uncertainty principle		 0.112009
Quantum Covariance, Quantum Fisher Information, and the Uncertainty Relations · IEEE Trans. Inf. Theory 2009
Information theory › information measures
fisher information		 0.012009
Quantum Covariance, Quantum Fisher Information, and the Uncertainty Relations · IEEE Trans. Inf. Theory 2009

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

quantum information theory · 0.2uncertainty relations · 0.1quantum covariance · 0.1
YearPublicationVenuePosition
2014 Conditional SIC-POVMs
abstract
In this paper, we examine a generalization of the symmetric informationally complete POVMs. SIC-POVMs are the optimal measurements for full quantum tomography, but if some parameters of the density matrix are known, then the optimal SIC POVM should be orthogonal to a subspace. This gives the concept of the conditional SIC-POVM. The existence is not known in general, but we give a result in the special case when the diagonal is known of the density matrix.
Dénes Petz, Laszlo Ruppert, Andras Szanto
 IEEE Trans. Inf. Theory1
2009 Quantum Covariance, Quantum Fisher Information, and the Uncertainty Relations
abstract
In this paper, the relation between quantum covariances and quantum Fisher informations is studied. This study is applied to generalize a recently proved uncertainty relation based on quantum Fisher information. The proof given here considerably simplifies the previously proposed proofs and leads to more general inequalities.
Paolo Gibilisco, Fumio Hiai, Dénes Petz
 IEEE Trans. Inf. Theory3