Found 34 Documents (Results 1–34)
On abstract spectral constants. (English) Zbl 07928316
Ptak, Marek (ed.) et al., Operator and matrix theory, function spaces, and applications. Proceedings of the 33rd international workshop on operator theory and its applications, IWOTA 2022, Kraków, Poland, September 6–10, 2022. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 295, 335-350 (2024).
MSC:
47-XX
Spectral sets, extremal functions and exceptional matrices. (English) Zbl 1510.15038
Reviewer: Bojan Kuzma (Ljubljana)
A Kreiss type inequality for rational functions on general domains. (English) Zbl 1516.47026
Reviewer: Ilya Spitkovsky (Williamsburg)
Joint numerical ranges: recent advances and applications minicourse by V. Müller and Yu. Tomilov. (English) Zbl 1520.47016
Reviewer: Cătălin Badea (Villeneuve d’Ascq)
Between the von Neumann inequality and the Crouzeix conjecture. (English) Zbl 1518.47010
Reviewer: Roman V. Romanov (Sankt-Peterburg)
Some extensions of the Crouzeix-Palencia result. (English) Zbl 1392.15029
Reviewer: Jorma K. Merikoski (Tampere)
On Nörlund summation and ergodic theory, with applications to power series of Hilbert contractions. (English) Zbl 1502.47013
Remarks on the Crouzeix-Palencia proof that the numerical range is a \((1+\sqrt 2)\)-spectral set. (English) Zbl 06846494
Tests for complete \(K\)-spectral sets. (English) Zbl 1420.47005
Reviewer: Cătălin Badea (Villeneuve d’Ascq)
Ritt operators and convergence in the method of alternating projections. (English) Zbl 1336.41013
Reviewer: Vladimir V. Peller (East Lansing)
Remarks on rates of convergence of powers of contractions. (English) Zbl 1343.47004
Reviewer: Carlos S. Kubrusly (Rio de Janeiro)
The numerical range and the spectrum of a product of two orthogonal projections. (English) Zbl 1321.47010
Reviewer: Cristina Diogo (Lisboa)
MSC:
47A12
\(H^{\infty}\) functional calculus and square function estimates for Ritt operators. (English) Zbl 1317.47021
Reviewer: Sameer Chavan (Kanpur)
MSC:
47A60
Almost everywhere convergence of powers of some positive \(L_p\) contractions. (English) Zbl 1294.47011
MSC:
47A35
Strong \(q\)-variation inequalities for analytic semigroups. (Inégalités de \(q\)-variation forte pour les semi-groupes analytiques.) (English. French summary) Zbl 1269.47011
Reviewer: Ahmed Lesfari (El Jadida)
On invariant subspaces of operators in the class \(\theta \). (English) Zbl 1276.47011
Reviewer: Ali-Akbar Jafarian (West Haven)
MSC:
47A15
Lemniscates and \(K\)-spectral sets. (English) Zbl 1256.47011
Reviewer: Cătălin Badea (Villeneuve d’Ascq)
Stochastic alternating projections. (English) Zbl 1268.60098
Reviewer: Alexander I. Zejfman (Vologda)
Atomic intersection of \(\sigma \)-fields and some of its consequences. (English) Zbl 1200.60008
Reviewer: Roma Kačinskaitė (Siauliai)
MSC:
60A10
A spectral multiplier theorem for non-self-adjoint operators. (English) Zbl 1182.42013
Reviewer: Vitaly Vladimirovich Volchkov (Donetsk)
Noncommutative maximal ergodic theorems for positive contractions. (English) Zbl 1166.46035
Reviewer: Doǧan Çömez (Fargo)
Numerical range and functional calculus in Hilbert space. (English) Zbl 1116.47004
Reviewer: Pei Yuan Wu (Hsinchu)
Iterates of a product of conditional expectation operators. (English) Zbl 1128.47011
Reviewer: Victor Sharapov (Volgograd)
Convex domains and K-spectral sets. (English) Zbl 1084.47004
Reviewer: Pei Yuan Wu (Hsinchu)
Numerical range, GMRES and Faber polynomials. (Image numérique, GMRES et polynômes de Faber.) (French. Abridged English version) Zbl 1076.47004
Filter Results by …
Document Type
- Journal Articles (33)
- Collection Articles (1)
all
top 5
Author
- Crouzeix, Michel (4)
- Cohen, Guy (3)
- Ransford, Thomas J. (3)
- Schwenninger, Felix L. (3)
- Agler, Jim (2)
- Badea, Catalin (2)
- Cuny, Christophe (2)
- Greenbaum, Anne (2)
- Le Merdy, Christian (2)
- Lin, Michael (2)
- Lykova, Zinaida A. (2)
- Putinar, Mihai (2)
- Yakubovich, Dmitry V. (2)
- Young, Nicholas John (2)
- Beckermann, Bernhard (1)
- Bekjan, Turdebek N. (1)
- Berti, Patrizia (1)
- Bickel, Kelly (1)
- Caldwell, Trevor (1)
- de Vries, Jens (1)
- Delyon, Bernard (1)
- Diaconis, Persi Warren (1)
- Dritschel, Michael A. (1)
- Estévez, Daniel (1)
- Gorkin, Pamela B. (1)
- Hu, Ze-Chun (1)
- Khare, Kshitij (1)
- Kim, Jaewoong (1)
- Klaja, Hubert (1)
- Lan, Guolie (1)
- Li, Kenan (1)
- McCarthy, John Edward (1)
- Müller, Vladimír (1)
- Nevanlinna, Olavi (1)
- Ostermann, Maëva (1)
- Ouhabaz, El Maati (1)
- Pagacz, Patryk (1)
- Pal, Avijit (1)
- Palencia, Cesar (1)
- Pietrzycki, Paweł (1)
- Pratelli, Luca (1)
- Rigo, Pietro (1)
- Saloff-Coste, Laurent (1)
- Sandberg, Sebastian (1)
- Seifert, David (1)
- Sun, Wei (1)
- Tomilov, Yuri (1)
- Walsh, Nathan (1)
- Weber, Michel Jean Georges (1)
- Wegert, Elias (1)
- Wojtylak, Michał (1)
- Xu, Quanhua (1)
all
top 5
Serial
- J. Math. Anal. Appl. (6)
- J. Funct. Anal. (6)
- SIAM J. Matrix Anal. Appl. (4)
- J. Anal. Math. (1)
- Linear Multilinear Algebra (1)
- Ann. Inst. Fourier (1)
- Ill. J. Math. (1)
- J. Approx. Theory (1)
- Math. Ann. (1)
- Math. Z. (1)
- Trans. Am. Math. Soc. (1)
- Probab. Theory Relat. Fields (1)
- Rev. Mat. Iberoam. (1)
- J. Theor. Probab. (1)
- Linear Algebra Appl. (1)
- Bull. Pol. Acad. Sci., Math. (1)
- C. R., Math., Acad. Sci. Paris (1)
- Comput. Methods Funct. Theory (1)
- Complex Anal. Oper. Theory (1)
- Concr. Oper. (1)