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Nagy Gergő

University of Debrecen Faculty of Science and Technology

Institute of Mathematics

Department of Analysis

2008-

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Publications in DEA:

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Date range:

2009-2024

2024

Nagy, G.: Connections between points of convexity of functions and centrality of elements in C*-algebras.
ELA. 40, 654-662, 2024.

doi DEA

Journal metrics:

Q2 Algebra and Number Theory

Kiss, T., Nagy, G.: On the [sigma]-balancing property of multivariate generalized quasi-arithmetic means.
Math. Inequal. Appl. 27 (4), 1009-1019, 2024.

doi DEA WoS

Journal metrics:

Q2 Applied Mathematics

Q2 Mathematics (miscellaneous)

2023

Boros, Z., Menzer, R., Nagy, G.: A conditional equation for almost polynomials. In: Report of meeting: The 59th International Symposium on Functional Equations Hotel Aurum, Hajdúszoboszló (Hungary), June 18-25, 2023..
Aequ. Math. 97 (5-6), 1262, 2023.

DEA

Menzer, R., Boros, Z., Nagy, G.: An alternative equation for generalized polynomials of degree two. In: Report of meeting: The 59th International Symposium on Functional Equations Hotel Aurum, Hajdúszoboszló (Hungary), June 18-25, 2023..
Aequ. Math. 97 (5-6), 1268, 2023.

DEA

Nagy, G.: Characterizations of centrality in C*-algebras via local convexity of functions.

DEA

Ali, A. H., Páles, Z., Nagy, G.: Estimating Linear Functionals via Factorization: Theory and Applications: In: Report of meeting : The 59th International Symposium on Functional Equations Hotel Aurum, Hajdúszoboszló (Hungary), June 18-25, 2023.
Aequ. Math. 97 (5-6), 1261, 2023.

DEA

2020

Nagy, G.: Maps stemming from the functional calculus that transform a Kubo-Ando mean into another.
Aequ. Math. 94 (4), 761-775, 2020.

doi DEA WoS Scopus

Journal metrics:

Q2 Applied Mathematics

Q2 Discrete Mathematics and Combinatorics

Q2 Mathematics (miscellaneous)

2019

Gaál, M., Nagy, G.: A Characterization of Unitary-Antiunitary Similarity Transformations via Kubo-Ando Means.
Anal. Math. 45 (2), 311-319, 2019.

doi DEA

Journal metrics:

Q3 Analysis

Q3 Mathematics (miscellaneous)

Nagy, G.: Characterizations of Centrality in C?-algebras via Local Monotonicity and Local Additivity of Functions.
Integr. Equ. Oper. Theory. 91 (3), 1-11, (article identifier: 28), 2019.

doi DEA WoS Scopus

Journal metrics:

Q1 Algebra and Number Theory

Q2 Analysis

10.

Gaál, M., Nagy, G., Szokol, P.: Isometries on Positive Definite Operators with Unit Fuglede-Kadison Determinant.
Taiwan. J. Math. 23 (6), 1423-1433, 2019.

doi DEA WoS Scopus

Journal metrics:

Q2 Mathematics (miscellaneous)

11.

Nagy, G., Szokol, P.: Maps Preserving Norms of Generalized Weighted Quasi-arithmetic Means of Invertible Positive Operators.
Electron. J. Linear Algebra. 35, 357-364, 2019.

doi DEA WoS Scopus

Journal metrics:

Q3 Algebra and Number Theory

2018

12.

Gaál, M., Nagy, G.: Maps on positive operators preserving Rényi type relative entropies and maximal f-divergences.
Lett. Math. Phys. 108 (2), 425-443, 2018.

doi DEA WoS Scopus

Journal metrics:

Q1 Mathematical Physics

Q2 Statistical and Nonlinear Physics

13.

Gaál, M., Nagy, G.: Transformations on Density Operators Preserving Generalised Entropy of a Convex Combination.
Bull. Aust. Math. Soc. 98 (1), 102-108, 2018.

doi DEA WoS Scopus

Journal metrics:

Q2 Mathematics (miscellaneous)

2016

14.

Nagy, G.: Determinant preserving maps: an infinite dimensional version of a theorem of Frobenius.
Linear Multilinear Algebra. 65 (2), 351-360, 2016.

doi DEA WoS Scopus

Journal metrics:

Q2 Algebra and Number Theory

15.

Botelho, F., Molnár, L., Nagy, G.: Linear bijections on von Neumann factors commuting with (lambda)-Aluthge transform.
Bull. London Math. Soc. 48 (1), 74-84, 2016.

doi DEA

Journal metrics:

Q1 Mathematics (miscellaneous)

16.

Dolinar, G., Kuzma, B., Nagy, G., Szokol, P.: Restricted skew-morphisms on matrix algebras.
Linear Alg. Appl. 490, 1-17, 2016.

doi DEA

Journal metrics:

Q1 Algebra and Number Theory

Q1 Discrete Mathematics and Combinatorics

Q2 Geometry and Topology

Q2 Numerical Analysis

17.

Molnár, L., Nagy, G.: Spectral Order Automorphisms on Hilbert Space Effects and Observables: The 2-Dimensional Case.
Lett. Math. Phys. 106 (4), 535-544, 2016.

doi DEA WoS Scopus

Journal metrics:

Q2 Mathematical Physics

Q2 Statistical and Nonlinear Physics

2015

18.

Nagy, G.: Isometries of the spaces of self-adjoint traceless operators.
Linear Alg. Appl. 484, 1-12, 2015.

doi DEA WoS Scopus

Journal metrics:

Q2 Algebra and Number Theory

Q2 Discrete Mathematics and Combinatorics

Q2 Geometry and Topology

Q2 Numerical Analysis

2014

19.

Gehér, G. P., Nagy, G.: Maps on classes of Hilbert space operators preserving measure of commutativity.
Linear Alg. Appl. 463, 205-227, 2014.

doi DEA

Journal metrics:

Q2 Algebra and Number Theory

Q2 Discrete Mathematics and Combinatorics

Q2 Geometry and Topology

Q2 Numerical Analysis

20.

Nagy, G.: Preservers for the p-norm of linear combinations of positive operators.
Abstract Appl. Anal. 2014, 1-9, 2014.

doi DEA

Journal metrics:

Q3 Analysis

Q3 Applied Mathematics

21.

Molnár, L., Nagy, G.: Transformations on Density Operators That Leave the Holevo Bound Invariant.
Int. J. Theor. Phys. 53 (10), 3273-3278, 2014.

doi DEA

Journal metrics:

Q3 Mathematics (miscellaneous)

Q3 Physics and Astronomy (miscellaneous)

2013

22.

Nagy, G.: Isometries on positive operators of unit norm.
Publ. Math.-Debr. 82 (1), 183-192, 2013.

doi DEA WoS Scopus

Journal metrics:

Q2 Mathematics (miscellaneous)

23.

Molnár, L., Nagy, G., Szokol, P.: Maps on density operators preserving quantum f -divergences.
Quantum Inf Process. 12 (7), 2309-2323, 2013.

doi DEA

Journal metrics:

Q1 Electrical and Electronic Engineering

Q1 Electronic, Optical and Magnetic Materials

Q1 Modeling and Simulation

Q1 Signal Processing

Q2 Statistical and Nonlinear Physics

Q1 Theoretical Computer Science

2012

24.

Molnár, L., Nagy, G.: Isometries and relative entropy preserving maps on density operators.
Linear Multilinear Algebra. 60 (1), 93-108, 2012.

doi DEA

Journal metrics:

Q3 Algebra and Number Theory

2010

25.

Molnár, L., Nagy, G.: Thompson isometries on positive operators: the 2-dimensional case.
Electron. J. Linear Algebra. 20, 79-89, 2010.

doi DEA

Journal metrics:

Q3 Algebra and Number Theory