prof. dr hab. Jan Stochel
Jednostki:
- Wydział Matematyki i Informatyki UJ
- Instytut Matematyki
- Katedra Analizy Funkcjonalnej
Publikacje:
119.
Jan Stochel, Il Bong Jung, Zenon Jabłoński, Eun Young Lee
Conditionally positive definite unilateral weighted shifts, Linear Algebra and Its Applications vol. 671 (2023), 1-37
118.
Jan Stochel, Zenon Jabłoński, Il Bong Jung
Criteria for algebraic operators to be unitary, Kyungpook Mathematical Journal vol. 63 (2023), 1-10
117.
Jan Stochel, Sameer Chavan
116.
On nth roots of bounded and unbounded quasinormal operators, Annali di Matematica Pura ed Applicata vol. 202 (2023), 1313–1333
115.
Two-moment characterization of spectral measures on the real line, Canadian Journal of Mathematics vol. 75 (4) (2023), 1369–1392
114.
Jan Stochel, Zenon Jabłoński, Il Bong Jung
On the Structure of Conditionally Positive Definite Algebraic Operators, Complex Analysis and Operator Theory vol. 16 (2022), no. 6, Paper No. 90.
113.
Jan Stochel, Zenon Jabłoński, Il Bong Jung
Conditional positive definiteness in operator theory, Dissertationes Mathematicae vol. 578 (2022), 64
112.
111.
Hamza El-Azhar, Ayoub Harrat, Jan Stochel
Idempotents and moment problem for discrete measure, Linear Algebra and Its Applications vol. 628 (2021), 202-227
110.
Subnormal $n$th roots of quasinormal operators are quasinormal, Journal of Functional Analysis vol. 280(12) (2021), 109001, 14 pp.
109.
Sameer Chavan, Zenon Jabłoński, Il Bong Jung, Jan Stochel
108.
AKASH ANAND, Sameer Chavan, Zenon Jabłoński, Jan Stochel
The Cauchy dual subnormality problem for cyclic 2-isometries, Advances in Operator Theory vol. 5 (2020), 1061–1077
107.
R. E. Curto, Hendrik S.V. de Snoo, J.-P. Gazeau, Andrzej Horzela, Mohammad S. Moslehian, Mihai Putinar, Konrad Schmudgen, Jan Stochel
Mathematical work of Franciszek Hugon Szafraniec and its impacts, Advances in Operator Theory vol. 5 (2020), 1297-1313.
106.
Zenon Jabłoński, Il Bong Jung, Jan Stochel
m-Isometric operators and their local properties, Linear Algebra and Its Applications vol. 596 (2020), 49-70
105.
George R. Exner, Il Bong Jung, Jan Stochel, Hye Yeong Yun
104.
AKASH ANAND, Sameer Chavan, Zenon Jabłoński, Jan Stochel
A solution to the Cauchy dual subnormality problem for 2-isometries, Journal of Functional Analysis vol. 277 (2019), 51 stron
103.
AKASH ANAND, Sameer Chavan, Zenon Jabłoński, Jan Stochel
102.
101.
George R. Exner, Il Bong Jung, Jan Stochel, Hye Yeong Yun
100.
Piotr Budzyński, Zenon Jabłoński, Il Bong Jung, Jan Stochel
Unbounded Weighted Composition Operators in L²-Spaces, Lecture Notes in Mathematics vol. 2209 (2018), 1-189
99.
Il Bong Jung, Mohammed Hichem Mortad, Jan Stochel
On normal products of selfadjoint operators, Kyungpook Mathematical Journal vol. 57 (2017), 457-471
98.
Jan Stochel, Jerzy Bartłomiej Stochel
97.
Piotr Budzyński, Zenon Jabłoński, Il Bong Jung, Jan Stochel
96.
Piotr Budzyński, Zenon Jabłoński, Il Bong Jung, Jan Stochel
95.
Piotr Budzyński, Zenon Jabłoński, Il Bong Jung, Jan Stochel
Unbounded subnormal composition operators in L2-spaces, Journal of Functional Analysis vol. 269 (2015), 2110-2164
94.
Zenon Jabłoński, Il Bong Jung, Jan Stochel
93.
Piotr Budzyński, Zenon Jabłoński, Il Bong Jung, Jan Stochel
On unbounded composition operators in L2-spaces, Annali di Matematica Pura ed Applicata vol. 193 (2014), 663–688
92.
Zenon Jabłoński, Il Bong Jung, Jan Stochel
Unbounded Quasinormal Operators Revisited, Integral Equations and Operator Theory vol. 79 (2014), 135-149
91.
90.
Piotr Budzyński, Zenon Jabłoński, Il Bong Jung, Jan Stochel
89.
Zenon Jabłoński, Il Bong Jung, Jan Stochel
Operators with absolute continuity properties: an application to quasinormality, Studia Mathematica vol. 215 (2013), 11-30
88.
Zenon Jabłoński, Il Bong Jung, Jan Stochel
87.
Piotr Budzyński, Zenon Jabłoński, Il Bong Jung, Jan Stochel
Unbounded subnormal weighted shifts on directed trees. II, Journal of Mathematical Analysis and Applications vol. 398 (2013), 600-608
86.
Jan Stochel, Jerzy Bartłomiej Stochel
On the k-th root of a Stieltjes moment sequence, Journal of Mathematical Analysis and Applications vol. 396 (2012), 786-800
85.
Dariusz Cichoń, L. Littlejohn, Jan Stochel
Franciszek Hugon Szafraniec: A Scholar of Eminence, Complex Analysis and Operator Theory vol. 6 (2012), 529-531
84.
Piotr Budzyński, Zenon Jabłoński, Il Bong Jung, Jan Stochel
Unbounded subnormal weighted shifts on directed trees, Journal of Mathematical Analysis and Applications vol. 394 (2012), 819-834
83.
Zenon Jabłoński, Il Bong Jung, Jan Stochel
A non-hyponormal operator generating Stieltjes moment sequences, Journal of Functional Analysis vol. 262 (2012), 3946-3980
82.
Spectral order for unbounded operators, Journal of Mathematical Analysis and Applications vol. 389 (2012), 1029-1045
81.
Zenon Jabłoński, Il Bong Jung, Jan Stochel
80.
Takateru Okayasu, Jan Stochel, Yasunori Ueda
On a binary relation between normal operators, Studia Mathematica vol. 204 (2011), 247-264
79.
Witold Majdak, Jan Stochel
78.
Zenon Jabłoński, Il Bong Jung, Jung Ah Kwak, Jan Stochel
77.
Jan Stochel, Jerzy Bartłomiej Stochel
76.
75.
74.
Il Bong Jung, S. H Park, Jan Stochel
73.
72.
Piotr Budzyński, Jan Stochel
71.
Dariusz Cichoń, Il Bong Jung, Jan Stochel
Normality via local spectral radii, Journal of Operator Theory vol. 61 (2009), 253-278
70.
Zoltan Sebestyén, Jan Stochel
On suboperators with codimension one domains, Journal of Mathematical Analysis and Applications vol. 360 (2009), 391-397
69.
Il Bong Jung, Jan Stochel
Subnormal operators whose adjoints have rich point spectrum, Journal of Functional Analysis vol. 255 (2008), 1797-1816
68.
Dariusz Cichoń, Il Bong Jung, Jan Stochel
Generalized Friedland's theorem for C_0-semigroups, Journal of Mathematical Analysis and Applications vol. 343 (2008), 752-757
67.
Piotr Budzyński, Jan Stochel
Joint subnormality of n-tuples and C_0-semigroups of composition operators on L^2-spaces, Studia Mathematica vol. 179 (2007), 167-184
66.
Zoltan Sebestyén, Jan Stochel
Characterizations of positive selfadjoint extensions, Proceedings of the American Mathematical Society vol. 135 (2007), 1389-1397
65.
Subnormality, analyticity and perturbations, Rocky Mountain Journal of Mathematics vol. 37 (2007), 1831-1869
64.
63.
Selfadjointness of integral and matrix operators, J. LONDON MATH. SOC. (2) 73 (2006), 762-782
62.
Witold Majdak, Jan Stochel, Z.Sebestyén,J.E.Thomson
A local lifting theorem for subnormal operators,, PROC. AMER. MATH. SOC. 134 (2006), 1687-1699
61.
Zenon Jabłoński, Jan Stochel, I.Jung
Backward extensions of hyperexpansive operators, STUDIA MATH. 173 (2006), 233-257
60.
Subnormality and operator multidimensional moment problems, J. LONDON MATH. SOC. (2) 71 (2005), 438-466
59.
Logarithmic concavity, unitarity and selfadjointness, BANACH CENTER PUBL. 67 (2005), 335-348
58.
Three term recurrence relation modulo ideal and orthogonality of polynomials of several variables, J. APPROX. THEORY 134 (2005), 11- 64
57.
Jan Stochel, Z.Sebestyén
Reflection symmetry and symmetrizability of Hilbert space operators, PROC. AMER. MATH. SOC. 133 (2005), 1727-1731
56.
Il Bong Jung, Alan Lambert, Jan Stochel,
Backward extensions of subnormal operators, Proceedings of the American Mathematical Society vol. 132 (2004), 2291-2302
55.
Noncommuting domination, OPER. THEORY ADV. APPL. 154 (2004), 19-33
54.
Jan Stochel, Z.Sebestyén
On products of unbounded operators, ACTA MATH. HUNGAR. 100 (2003), no. 1-2, 105--129.
53.
Domination of unbounded operators and commutativity, J. MATH. SOC. JAPAN 55 (2003), no. 2, 405--437.
52.
Lifting strong commutants of unbounded subnormal operators, INTEGRAL EQUATIONS OPERATOR THEORY 43 (2002), no. 2, 189--214
51.
A peculiarity of the creation operator, Glasgow Mathematical Journal vol. 44 (2002), 137-147
50.
An asymmetric Putnam-Fuglede theorem for unbounded operators, PROC. AMER. MATH. SOC. 129 (2001), no. 8, 2261--2271
49.
Solving the truncated moment problem solves the full moment problem, GLASG. MATH. J. 43 (2001), no. 3, 335--341
48.
Unbounded 2-hyperexpansive operators, PROC. EDINB. MATH. SOC. (2) 44 (2001), no. 3, 613--629
47.
The complex moment problem and subnormality: a polar decomposition approach, J. FUNCT. ANAL. 159 (1998), no. 2, 432--491
46.
Positive definiteness and commutativity of operators, PROC. AMER. MATH. SOC. 126 (1998), no. 2, 431--440
45.
$Csp infty$-vectors and boundedness, VOLUME DEDICATED TO THE MEMORY OF W3ODZIMIERZ MLAK. ANN. POLON. MATH. 66 (1997), 223--238
44.
Andrzej Daniluk, Jan Stochel
Seminormal composition operators induced by affine transformations, HOKKAIDO MATH. J. 26 (1997), no. 2, 377--404
43.
Jan Stochel, J.Janas
Selfadjoint operator matrices with finite rows, VOLUME DEDICATED TO THE MEMORY OF W3ODZIMIERZ MLAK. ANN. POLON. MATH. 66 (1997), 155--172
42.
On Toeplitz operators in Segal-Bargmann spaces, UNIV. IAGEL. ACTA MATH. no. 34 (1997), 35--43
41.
Seminormality of operators from their tensor product, PROC. AMER. MATH. SOC. 124 (1996), no. 1, 135--140
40.
Jan Stochel, J.Janas
Unbounded Toeplitz operators in the Segal-Bargmann space, II. J. FUNCT. ANAL. 126 (1994), no. 2, 418--447
39.
Algebraic operators and moments on algebraic sets, PORTUGAL. MATH. 51 (1994), no. 1, 25--45
38.
Jan Stochel, T.S.Todorov
Characterizations of cyclic *-representations with equal weak and strong commutants, J. MATH. PHYS. 33 (1992), no. 12, 4190--4195
37.
Jan Stochel, W.Mlak
A note on coherent states related to weighted shifts, PUBL. RES. INST. MATH. SCI. 28 (1992), no. 4, 587--593
36.
Decomposition and disintegration of positive definite kernels on convex *-semigroups, ANN. POLON. MATH. 56 (1992), no. 3, 243--294
35.
Moment functions on real algebraic sets, ARK. MAT. 30 (1992), no. 1, 133--148
34.
Jan Stochel, J.Paez,Z.Sebestyén
Restrictions of normal operators, ACTA MATH. HUNGAR. 59 (1992), no. 3-4, 377--381
33.
Weighted square summable and generalized harmonizable sequences, PROBAB. MATH. STATIST. 12 (1991), no. 1, 99--111
32.
Jan Stochel, Z.Sebestyén
Restrictions of positive selfadjoint operators, ACTA SCI. MATH. (SZEGED) 55 (1991), no. 1-2, 149--154
31.
Jan Stochel, T.S.Todorov
On the characterization of cyclic *-representations with equal weak and strong commutants: domination of functionals and a general notion of normality, C. R. ACAD. BULGARE SCI. 44 (1991), no. 3, 7--9
30.
Jan Stochel, T.S.Todorov
On the characterization of cyclic *-representations with equal weak and strong commutants: on GNS representations induced by normal functionals (commutative case), C. R. ACAD. BULGARE SCI. 44 (1991), no. 4, 9--11
29.
A few assorted questions about unbounded subnormal operators, UNIV. IAGEL. ACTA MATH. no. 28 (1991), 163--170
28.
Characterizations of subnormal operators, STUDIA MATH. 97 (1991), no. 3, 227--238
27.
Smooth positive definite functions on some multiplicative semigroups, REND. CIRC. MAT. PALERMO (2) 40 (1991), no. 2, 153--176
26.
Jan Stochel, J.Paez,Z.Sebestyén
Restrictions of compact normal operators, ACTA MATH. HUNGAR. 57 (1991), no. 3-4, 313--314
25.
Seminormal composition operators on L2 spaces induced by matrices, HOKKAIDO MATH. J. 19 (1990), no. 2, 307--324
24.
23.
Unbounded weighted shifts and subnormality, INTEGRAL EQUATIONS OPERATOR THEORY 12 (1989), no. 1, 146--153
22.
The normal part of an unbounded operator, NEDERL. AKAD. WETENSCH. INDAG. MATH. 51 (1989), no. 4, 495--503
21.
On normal extensions of unbounded operators, II. ACTA SCI. MATH. (SZEGED) 53 (1989), no. 1-2, 153--177
20.
Dilatability of sesquilinear form-valued kernels, ANN. POLON. MATH. 48 (1988), no. 1, 1--29
19.
The Fubini theorem for semispectral integrals and semispectral representations of some families of operators, UNIV. IAGEL. ACTA MATH. no. 26 (1987), 17--27
18.
The Bochner-Kolmogorov extension theorem for semispectral measures, COLLOQ. MATH. 54 (1987), no. 1, 83--94
17.
Nagy boundedness condition on abelian involution semigroups, COLLOQ. MATH. 54 (1987), no. 2, 267--271
16.
15.
Decomposition and integral representation of covariance kernels, BULL. POLISH ACAD. SCI. MATH. 33 (1985), no. 7-8, 367--376
14.
Note on similarity to contractions, UNIV. IAGEL. ACTA MATH. no. 24 (1984), 19--26
13.
Boundedness of linear and related nonlinear maps, II. EXPOSITION. MATH. 2 (1984), no. 3, 283--287
12.
11.
Jan Stochel, W.Szymański
On the uniqueness of minimal R-dilations for unstarred semigroups, INDIANA UNIV. MATH. J. 32 (1983), no. 6, 793--800
10.
Individual boundedness condition for positive definite sesquilinear form valued kernels, STUDIA MATH. 74 (1982), no. 3, 293--302
9.
8.
7.
Jan Stochel, Franciszek Hugon Szafraniec, JanStochel
Unitary dilation of several contractions, RECENT ADVANCES IN OPERATOR THEORY AND RELATED TOPICS (SZEGED, 1999), 585--598, Oper. Theory Adv. Appl., 127, Birkhäuser, Basel, 2001
6.
Jan Stochel, Franciszek Hugon Szafraniec, F.H.Szfraniec
Circular invariance of the Weyl form of the canonical commutation relation, MATHEMATICAL PHYSICS AND STOCHASTIC ANALYSIS (LISBON, 1998), Essays in Honour of Ludwig Streit, eds. S. Albeverio, Ph. Blanchard, L. Ferreira, T. Hida, Y. Kondratiev, R. Vilela Mendes, 379--383, World Sci. Publishing, River Edge, NJ, 2000
5.
On an operator moment problem on *-semigroups, OPERATORS IN INDEFINITE METRIC SPACES, SCATTERING THEORY AND OTHER TOPICS (BUCHAREST, 1985), 301--311, Oper. Theory,: Adv. Appl., 24, Birkhäuser, Basel-Boston, Mass., 1987
4.
A characterization of subnormal operators, SPECTRAL THEORY OF LINEAR OPERATORS AND RELATED TOPICS (TIMIC SOARA/HERCULANE, 1983), 261--263, Oper. Theory Adv. Appl., 14, Birkhäuser, Basel, 1984
3.
Nagy boundedness condition on nonabelian involutory semigroups, SPECTRAL THEORY OF LINEAR OPERATORS AND RELATED TOPICS (TIMIC SOARA/HERCULANE, 1983), 251--260, Operator Theory: Adv. Appl., 14, Birkhäuser, Basel-Boston, Mass., 1984
2.
The Bochner type theorem for *-definite kernels on abelian *-semigroups without neutral element, DILATION THEORY, TOEPLITZ OPERATORS, AND OTHER TOPICS (TIMIC SOARA/HERCULANE, 1982), 345--362, Operator Theory: Adv. Appl., 11, Birkhäuser, Basel-Boston, Mass., 1983
1.
Bounded vectors and formally normal operators, DILATION THEORY, TOEPLITZ OPERATORS, AND OTHER TOPICS (TIMIC SOARA/HERCULANE, 1982), 363--370, Operator Theory: Adv. Appl., 11, Birkhäuser, Basel-Boston, Mass., 1983
Konferencje:
29.
WOTCA 2023 (The Workshop on Operator Theory, Complex Analysis, and Applications) ), Universidade de \'{E}vora, \'{E}vora and Instituto Superior Técnico, Lisboa, Evora, Portugalia, 2023-07-24 - 2023-07-28
28.
2022 Autumn Symposium: Operator Theory and Its Applications, Kyungpook National University, Daegu, Korea południowa, 2022-11-08 - 2022-11-13
27.
33rd International Workshop on Operator Theory and its Applications, UJ, AGH, Uniwersytet Rolniczy, Kraków, Polska, 2022-09-06 - 2022-09-10
26.
2022 Winter mini-conference: Operator Theory and its Applications, Kyungpook National University, Daegu, Korea, 2022-02-21 - 2022-02-21
25.
2021 Autumn Virtual International Conference: Operator Theory and its Applications, Kyungpook National University and Daegu Catholic University, Daegu, Korea, 2021-09-10 - 2021-09-13
24.
Operator Theory 2020 Virtual Workshop Seoul/Tokyo, National Research Foundation of Korea, Seoul National University: Department of Mathematical Science, Seoul/Tokyo, Republic of Korea/Japan, 2020-12-19 - 2020-12-19
23.
Joint International Conference of Kyungpook National University and Daegu Catholic University, Kyungpook National University and Daegu Catholic University, Daegu, Korea Południowa, 2019-08-30 - 2019-09-01
22.
The 18th KOTAC International Conference 2019, Seoul National University, Gyeongju, Korea Południowa, 2019-06-27 - 2019-06-29
21.
Operator Theory and Its Applications 2019, Kyungpook National University, Daegu, Korea Południowa, 2019-03-27 - 2019-03-30
20.
Recent Advances in Operator Theory and Operator Algebras 2018, Indian Statistical Institute, Bangalore, Indie, 2018-12-13 - 2019-01-19
19.
Jan Stochel, Leokadia Białas-Cież, Zenon Jabłoński, Patryk Pagacz, Paweł Pietrzycki, Jakub Kośmider.
6th Summer Workshop on Operator Theory, Uniersytet Rolniczy w Krakowie, Kraków, Polska, 2018-07-09 - 2018-07-13
18.
KMJ Conference, Kyungpook National University, Daegu, Korea, 2018-01-08 - 2018-01-10
17.
KOTAC 2017 - Operator Theory and Its Applications, Seoul National University, Seul, Korea, 2017-06-26 - 2017-06-28
16.
STA 2017 - Spectral Theory and Applications, AGH, Kraków, Polska, 2017-05-30 - 2017-06-03
15.
Recent Advances in Operator Theory and Operator Algebras 2016, Indian Statistical Institute, Bangalore, Indie, 2016-12-13 - 2016-12-22
14.
International Conference: Operator Theory and Its Applications, Kyungpook National University, Daegu, Korea Południowa, 2016-09-27 - 2016-09-28
13.
17th Workshop: Noncommutative Probability Levy processes and operator algebras, with applications, Uniwersytet Wrocławski, Będlewo, Polska, 2016-07-24 - 2016-07-30
12.
5th Summer Workshop on Operator Theory, University of Agriculture in Krakow, Kraków, Polska, 2016-07-05 - 2016-07-09
11.
WOTCA 2016 (Workshop on Operator Theory and Complex Analysis, Instituto Superior Técnico, Lisboa and Center for Mathematics of the University of Coimbra, Coimbra, Portugalia, 2016-06-21 - 2016-06-24
10.
International Workshop on Operator Theory and Applications, IWOTA 2015, Georgian Mathematical Union, Georgian National Academy of Sciences, Ivane Javakhishvili Tbilisi Stat, Tbilisi, Gruzja, 2015-07-06 - 2015-07-10
9.
2015 International Meeting AMS/EMS/SPM, Sociedade Portuguesa de Matematica, AMS i EMS, Porto, Portugalia, 2015-06-10 - 2015-06-13
8.
Marek Kosiek, Jan Stochel, Zenon Jabłoński, Piotr Niemiec, Michał Wojtylak, Patryk Pagacz, Paweł Pietrzycki.
Spectral Theory and Applications, AGH, Kraków, Polska, 2015-05-26 - 2015-05-30
7.
Spring Intensive Seminar and Symposium, Operator Theory and its Applications, Kyungpook National University, Daegu, Korea Południowa, 2015-04-03 - 2015-04-19
6.
Recent Advances in Operator Theory and Operator Algebras , Indian Statistical Institute, Bangalore, Indie, 2014-12-15 - 2014-12-19
5.
Operator Theory and Its Applications, Kyungpook National University, Daegu, Korea Południowa, 2014-09-26 - 2014-09-27
4.
International Workshop on Operator Theory 2014, Queen's University Belfast, Belfast, Irlandia Północna, 2014-09-03 - 2014-09-05
3.
ICM Satellite Conference on Operator Algebras and Applications , Wiele wyższych uczelni Korei Południowej, Cheongpung, Korea Południowa, 2014-08-08 - 2014-08-12
2.
4th Small Workshop on Operator Theory, Uniwersytet Rolniczy w Krakowie, Kraków, Polska, 2014-07-08 - 2014-07-12
1.
Workshop on Functional Analysis in honour of Zoltán Sebestyén, Institute of Mathematics of Eötvös Loránd University, Budapest, Węgry, 2014-01-08 - 2014-01-11
Doktoranci (po 27 października 2003 roku)
| Doktorant | Otwarcie | Zakonczenie |
|---|---|---|
| Artur Płaneta | 2009-05-28 | 2010-10-28 |
| Michał Wojtylak | 2005-06-23 | 2007-09-27 |
| Piotr Budzyński | 2007-01-25 | 2008-01-24 |
| Piotr Dymek | 2012-06-28 | 2014-10-30 |
| Paweł Pietrzycki | 2016-04-28 | 2018-04-26 |
| Jacek Trepkowski | 2018-06-28 | 2021-10-21 |
Recenzje (po 27 października 2003 roku)
Granty (realizowane po maju 2009 roku)
| Tytuł | Rola | Rozpoczęcie | Zakończenie |
|---|---|---|---|
| Algebraiczne i teorio-miarowe metody w teorii operatorów | Kierownik | 2022-07-18 | 2025-07-17 |
| Operatory w przestrzeniach Hilberta - teoria i zastosowania | Kierownik | 2014-07-08 | 2017-07-07 |
| Porządek spektralny dla układów operatorów samosprzężonych | Kierownik | 2010-03-24 | 2010-12-20 |