Quantum information theory. Mathematical physics. Convex analysis.
Main publications:
M. E. Shirokov, “The Holevo capacity of infinite dimensional channels and the additivity problem”, Comm. Math. Phys., 262 (2006), 137–159
M.E. Shirokov, “Continuity of the von Neumann entropy”, Comm. Math. Phys., 296:3 (2010), 625–654
V. Yu. Protasov, M. E. Shirokov, “Generalized compactness in linear spaces and its applications”, Sbornik:Mathematics, 200:5 (2009), 697–722
M. E. Shirokov, “Strong convergence of quantum channels: Continuity of the Stinespring dilation and discontinuity of the unitary dilation”, Journal of Mathematical Physics, 61 (2020), 82204
M. E. Shirokov, “On channels with positive quantum zero-error capacity having vanishing n-shot capacity”, Quantum Inf. Process., 14:8 (2015), 3057–3074
M. E. Shirokov, “The Alicki–Fannes–Winter technique in the quasi-classical settings: advanced version and its applications”, Lobachevskii J. Math., 46:6 (2025), 2632–2658
2024
2.
M. E. Shirokov, “On Local Continuity of Characteristics of Composite Quantum Systems”, Proc. Steklov Inst. Math., 324 (2024), 225–260
3.
G. G. Amosov, M. E. Shirokov, “Alexander Semenovich Holevo: On the occasion of his 80th birthday”, Proc. Steklov Inst. Math., 324 (2024), 1–3
4.
M. E. Shirokov, “Lower semicontinuity of relative entropy disturbance and its consequences”, Sb. Math., 215:11 (2024), 1549–1581
5.
M. E. Shirokov, “Compactness criterion for families of quantum operations in the strong convergence topology and its applications”, Lobachevskii J. Math., 45:6 (2024), 2585–2606
6.
Ludovico Lami, Maksim Shirokov, “Continuity of the relative entropy of resource”, Int. J. Quantum Inf., 22:5 (2024), 2440009 , 14 pp.
Nekommutativnyi analiz i kvantovaya informatika, Sbornik statei. K 80-letiyu akademika Aleksandra Semenovicha Kholevo, Trudy MIAN, 324, ed. M. E. Shirokov, G. G. Amosov, MIAN, M., 2024 , 292 pp.
2023
8.
Ludovico Lami, Maksim E. Shirokov, “Attainability and Lower Semi-continuity of the Relative Entropy of Entanglement and Variations on the Theme”, Ann. Henri Poincaré, 24 (2023), 4069–4137
M. E. Shirokov, “Correlation measures of a quantum state and information characteristics of a quantum channel”, J. Math. Phys., 64:11 (2023), 112201 , 51 pp., arXiv: 2304.05388
Maksim Shirokov, “Close-to-optimal continuity bound for the von Neumann entropy and other quasi-classical applications of the Alicki–Fannes–Winter technique”, Lett. Math. Phys., 113 (2023), 121 , 35 pp., arXiv: 2207.08791
M. E. Shirokov, “Convergence criterion for quantum relative entropy and its use”, Sb. Math., 213:12 (2022), 1740–1772
14.
M. E. Shirokov, “Optimal form of the Kretschmann–Schlingemann–Werner theorem for energy-constrained quantum channels and operations”, J. Math. Phys., 63:11 (2022), 112203 , 17 pp., arXiv: 1912.01678
M. E. Shirokov, “Convergence conditions for the quantum relative entropy and other applications of the deneralized quantum Dini lemma”, Lobachevskii J. Math., 43:7 (2022), 1755–1777
S. W. Weis, M. E. Shirokov, “Extreme points of the set of quantum states with bounded energy”, Russian Math. Surveys, 76:1 (2021), 190–192
17.
M. E. Shirokov, “On Lower Semicontinuity of the Quantum Conditional Mutual Information and Its Corollaries”, Proc. Steklov Inst. Math., 313 (2021), 203–227
18.
Stephan Weis, Maksim Shirokov, “The face generated by a point, generalized affine constraints, and quantum theory”, J. Convex Anal., 28:3 (2021), 847–870 , arXiv: 2003.14302
19.
M. E. Shirokov, “Uniform continuity bounds for characteristics of multipartite quantum systems”, J. Math. Phys., 62:9 (2021), 92206 , 31 pp., arXiv: 2007.00417
M. E. Shirokov, “Advanced Alicki–Fannes–Winter method for energy-constrained quantum systems and its use”, Quantum Inf. Process., 19 (2020), 164 , 33 pp., arXiv: 1907.02458
M. E. Shirokov, “Operator $E$-norms and their use”, Sb. Math., 211:9 (2020), 1323–1353
24.
M. E. Shirokov, “Strong convergence of quantum channels: Continuity of the Stinespring dilation and discontinuity of the unitary dilation”, J. Math. Phys., 61 (2020), 82204 , 15 pp., arXiv: 1712.03219
M. E. Shirokov, “On extension of quantum channels and operations to the space of relatively bounded operators”, Lobachevskii J. Math., 41:4 (2020), 714–727 , arXiv: 1903.06086
M. E. Shirokov, A. V. Bulinski, “On Quantum Channels and Operations Preserving Finiteness of the von Neumann Entropy”, Lobachevskii J. Math., 41:12 (2020), 2383–2396 , arXiv: 2004.03582
M. E. Shirokov, “Uniform continuity bounds for information characteristics of quantum channels depending on input dimension and on input energy”, J. Phys. A, 52:1 (2019), 014001
M. E. Shirokov, “Upper bounds for the Holevo quantity and their use”, Problems Inform. Transmission, 55:3 (2019), 201–217
29.
M. E. Shirokov, “On completion of the cone of completely positive linear maps with respect to the energy-constrained diamond norm”, Lobachevskii J. Math., 40:10 (2019), 1549–1568 , arXiv: 1810.10922
V. Yu. Protasov, M. E. Shirokov, “On Mutually Inverse Transforms of Functions on a Half-Line”, Dokl. Math., 100:3 (2019), 560–563
2018
32.
M. E. Shirokov, “On the Energy-Constrained Diamond Norm and Its Application in Quantum Information Theory”, Problems Inform. Transmission, 54:1 (2018), 20–33 , arXiv: 1706.00361
33.
Noah Davis, Maksim E. Shirokov, Mark M. Wilde, “Energy-constrained two-way assisted private and quantum capacities of quantum channels”, Phys. Rev. A, 97:6 (2018), 62310 , 31 pp., arXiv: 1801.08102
M. E. Shirokov, “Adaptation of the Alicki–Fannes–Winter method for the set of states with bounded energy and its use”, Rep. Math. Phys., 81:1 (2018), 81–104
G. G. Amosov, Al. V. Bulinski, An. V. Bulinski, V. M. Buchstaber, I. A. Ibragimov, V. P. Maslov, A. Ya. Helemskii, A. M. Chebotarev, M. E. Shirokov, A. N. Shiryaev, “Alexander Semenovich Holevo (on his 75th birthday)”, Russian Math. Surveys, 73:6 (2018), 1131–1136
2017
37.
M. E. Shirokov, A. S. Holevo, “On lower semicontinuity of the entropic disturbance and its applications in quantum information theory”, Izv. Math., 81:5 (2017), 1044–1060
38.
M. E. Shirokov, “Tight uniform continuity bounds for the quantum conditional mutual information, for the Holevo quantity, and for capacities of quantum channels”, J. Math. Phys., 58:10 (2017), 102202 , 29 pp., arXiv: 1512.09047
M. E. Shirokov, A. V. Bulinski, “Lower estimates for distances from a given quantum channel to certain classes of quantum channels”, Journal of Mathematical Sciences, 241:2 (2019), 237–244
2016
40.
M. E. Shirokov, “Measures of correlations in infinite-dimensional quantum systems”, Sb. Math., 207:5 (2016), 724–768 , arXiv: 1506.06377
41.
M. E. Shirokov, “Squashed entanglement in infinite dimensions”, J. Math. Phys., 57:3 (2016), 32203 , 22 pp., arXiv: 1507.08964
M. E. Shirokov, “On characterization of positive maps preserving continuity of the von Neumann entropy”, Russian Math. Surveys, 71:5 (2016), 965–966 , arXiv: 1704.01905
43.
M. E. Shirokov, “Estimates for discontinuity jumps of information characteristics of quantum systems and channels”, Problems of Information Transmission, 52:3 (2016), 239–264 , arXiv: 1602.05930
2015
44.
M. E. Shirokov, “On quantum zero-error capacity”, Russian Math. Surveys, 70:1 (2015), 176–178
45.
M. E. Shirokov, T. Shulman, “On superactivation of zero-error capacities and reversibility of a quantum channels”, Comm. Math. Phys., 335:3 (2015), 1159–1179 , arXiv: 1309.2610
A. S. Holevo, M. E. Shirokov, “On the Gain of Entanglement Assistance in the Classical Capacity of Quantum Gaussian Channels”, Math. Notes, 97:6 (2015), 974–977
47.
M. E. Shirokov, “On multipartite superactivation of quantum channel capacities”, Problems Inform. Transmission, 51:2 (2015), 87–102 , arXiv: 1411.5386
2016
48.
A. S. Holevo, M. E. Shirokov, “Criterion of weak compactness for families of generalized quantum ensembles and its applications”, Theory Probab. Appl., 60:2 (2016), 320–325
2015
49.
M. E. Shirokov, “On channels with positive quantum zero-error capacity having vanishing $n$-shot capacity”, Quantum Inf. Process., 14:8 (2015), 3057–3074 , arXiv: 1407.8524
M. E. Shirokov, “Criteria for equality in two entropic inequalities”, Sb. Math., 205:7 (2014), 1045–1068 , arXiv: 1302.5336
51.
M. E. Shirokov, T. V. Shulman, “On superactivation of one-shot zero-error quantum capacity and the related property of quantum measurements”, Problems Inform. Transmission, 50:3 (2014), 232–246 , arXiv: 1312.3586
2013
52.
M. E. Shirokov, “Schmidt Number and Partially Entanglement-Breaking Channels in Infinite-Dimensional Quantum Systems”, Math. Notes, 93:5 (2013), 766–779 , arXiv: 1110.4363
53.
M. E. Shirokov, “Reversibility conditions for quantum channels and their applications”, Sb. Math., 204:8 (2013), 1215–1237 , arXiv: 1203.0262
54.
A. S. Holevo, M. E. Shirokov, “On classical capacities of infinite-dimensional quantum channels”, Problems Inform. Transmission, 49:1 (2013), 15–31 , arXiv: 1210.6926
55.
M. E. Shirokov, “Reversibility of a quantum channel: General conditions and their applications to Bosonic linear channels”, J. Math. Phys., 54:11 (2013), 112201 , 19 pp., arXiv: 1212.2354
M. E. Shirokov, T. V. Shulman, On superactivation of one-shot zero-error quantum capacity and the related property of quantum measurements, 2013 , 16 pp., arXiv: 1312.3586
2012
57.
M. E. Shirokov, “Stability of convex sets and applications”, Izv. Math., 76:4 (2012), 840–856
58.
M. E. Shirokov, “Conditions for coincidence of the classical capacity and entanglement-assisted capacity of a quantum channel”, Problems Inform. Transmission, 48:2 (2012), 85–101 , arXiv: 1105.1040
2011
59.
M. E. Shirokov, “The continuity of the output entropy of positive maps”, Sb. Math., 202:10 (2011), 1537–1564 , arXiv: 1002.0230
60.
M. E. Shirokov, “Entropy reduction of quantum measurements”, J. Math. Phys., 52:5 (2011), 052202 , 18 pp., arXiv: 1011.3127
M. E. Shirokov, “O svoistvakh veroyatnostnykh mer na mnozhestve kvantovykh sostoyanii”, Trudy MFTI, 3:1 (2011), 162–167 , arXiv: math-ph/0607019
2010
62.
M. E. Shirokov, “On properties of the space of quantum states and their application to the construction of entanglement monotones”, Izv. Math., 74:4 (2010), 849–882 , arXiv: 0804.1515
63.
M. E. Shirokov, “A Property of the Output Entropy of a Positive Map of Spaces of Nuclear Operators”, Math. Notes, 87:3 (2010), 449–451 , arXiv: 1002.0230
64.
A. S. Holevo, M. E. Shirokov, “Mutual and coherent information for infinite-dimensional quantum channels”, Problems Inform. Transmission, 46:3 (2010), 201–218 , arXiv: 1004.2495
65.
M. E. Shirokov, “Continuity of the von Neumann entropy”, Comm. Math. Phys., 296:3 (2010), 625–654 , arXiv: 0904.1963
V. Yu. Protasov, M. E. Shirokov, “Generalized compactness in linear spaces and its applications”, Sb. Math., 200:5 (2009), 697–722 , arXiv: 1002.3610
67.
M. E. Shirokov, “On Channels with Finite Holevo Capacity”, Theory Probab. Appl., 53:4 (2009), 648–662 , arXiv: quant-ph/0602073
2008
68.
M. E. Shirokov, “Ob odnom klasse vypuklykh mnozhestv”, Sovremennye problemy fundamentalnoi i prikladnoi matematiki, MFTI, M., 2008, 193–203
69.
M. E. Shirokov, A. S. Holevo, “On Approximation of Infinite-Dimensional Quantum Channels”, Problems Inform. Transmission, 44:2 (2008), 73–90 , arXiv: 0711.2245
70.
M. E. Shirokov, “Characterization of convex $\mu$-compact sets”, Russian Math. Surveys, 63:5 (2008), 981–982 , arXiv: 1004.3792
2007
71.
M. E. Shirokov, “Entropy characteristics of subsets of states. II”, Izv. Math., 71:1 (2007), 181–218 , arXiv: quant-ph/0510073
72.
M. E. Shirokov, “On the Strong CE-Property of Convex Sets”, Math. Notes, 82:3 (2007), 395–409
2008
73.
M. E. Shirokov, “On properties of quantum channels related to their classical capacity”, Theory Probab. Appl., 52:2 (2008), 250–276 , arXiv: quant-ph/0411091
2006
74.
M. E. Shirokov, “The Holevo capacity of infinite dimensional channels and the additivity problem”, Comm. Math. Phys., 262:1 (2006), 137–159 , arXiv: quant-ph/0408009
M. E. Shirokov, “Entropy characteristics of subsets of states. I”, Izv. Math., 70:6 (2006), 1265–1292 , arXiv: quant-ph/0510073
76.
M. E. Shirokov, “On the Structure of Optimal Sets for a Quantum Channel”, Problems Inform. Transmission, 42:4 (2006), 282–297 , arXiv: quant-ph/0402178
77.
M. E. Shirokov, “Superadditivity of the convex closure of the output entropy of a quantum channel”, Russian Math. Surveys, 61:6 (2006), 1186–1188 , arXiv: quant-ph/0608090
2005
78.
R. F. Werner, A. S. Holevo, M. E. Shirokov, “On the notion of entanglement in Hilbert spaces”, Russian Math. Surveys, 60:2 (2005), 359–360 , arXiv: quant-ph/0504204
79.
A. S. Holevo, M. E. Shirokov, “Continuous ensembles and the capacity of infinite-dimensional quantum channels”, Theory Probab. Appl., 50:1 (2005), 86–98 , arXiv: quant-ph/0408176
2004
80.
A. S. Holevo, M. E. Shirokov, “On Shor's channel extension and constrained channels”, Comm. Math. Phys., 249:2 (2004), 417–430 , arXiv: quant-ph/0306196
A. S. Holevo, M. E. Shirokov, “The additivity problem for constrained quantum channels”, Russian Math. Surveys, 59:2 (2004), 385–387 , arXiv: quant-ph/0306196
82.
A. S. Dmitriev, M. E. Shirokov, “Vybor generatora dlya pryamokhaoticheskoi sistemy svyazi”, Radiotekhnika i elektronika, 49:7 (2004), 840–849
2001
83.
G. G. Amosov, A. V. Bulinski, M. E. Shirokov, “Regular Semigroups of Endomorphisms of von Neumann Factors”, Math. Notes, 70:5 (2001), 583–598
1999
84.
M. E. Shirokov, “Mnogopolzovatelskaya sistema svyazi na khaoticheskikh nesuschikh”, Radiotekhnika i elektronika, 44:5 (1999), 583–590
1997
85.
A. S. Dmitriev, M. Shirokov, S. O. Starkov, “Chaotic synchronization in ensembles of coupled maps”, Special issue on chaos synchronization, control, and applications, IEEE Trans. Circuits Systems I Fund. Theory Appl., 44:10 (1997), 918–926
A. S. Dmitriev, S. O. Starkov, M. E. Shirokov, “Sinkhronizatsiya ansamblei svyazannykh otobrazhenii”, Izv. vuzov. Prikladnaya nelineinaya dinamika, 4:4-5 (1996), 40–58
1995
87.
A. S. Dmitriev, M. E. Shirokov, “Sinkhronizatory khaoticheskikh signalov”, Radiotekhnika i elektronika, 40:11 (1995), 1667–1676
88.
A. S. Dmitriev, M. E. Shirokov, “Dinamika sinkhronizatora dlya khaoticheskikh signalov s nepreryvnym vremenem”, Radiotekhnika i elektronika, 40:11 (1995), 1660–1666
1994
89.
A. S. Dmitriev, S. O. Starkov, M. E. Shirokov, “Struktura periodicheskikh orbit khaoticheskoi avtokolebatelnoi sistemy, opisyvaemoi raznostnymi uravneniyami 2-go poryadka”, Radiotekhnika i elektronika, 39:9 (1994), 1392–1397
Lower semicontinuity of the relative entropy disturbance and its corollaries M. E. Shirokov III International Conference “Mathematical Physics, Dynamical Systems, Infinite-Dimensional Analysis”, dedicated to the 100th anniversary of V.S. Vladimirov, the 100th anniversary of L.D. Kudryavtsev and the 85th anniversary of O.G. Smolyanov July 8, 2023 13:10
Noncommutative Analysis and Quantum Information Theory, Collected papers. Dedicated to Academician Alexander Semenovich Holevo on the occasion of his 80th birthday, Trudy Mat. Inst. Steklova, 324, ed. M. E. Shirokov, G. G. Amosov, 2024, 292 с. http://mi.mathnet.ru/book1967