Ptak, Marek

1. C--normal operators
   2019/12/31 by Ptak, Marek, Simik, Katarzyna, Wicher, Anna · 2 citations
   #FOS: Mathematics #Functional Analysis (math.FA)
2. Weighted shifts on directed trees. Their multiplier algebras,\n reflexivity and decompositions
   2017/02/02 by Piotr Budzyński, Budzynski, Piotr, Piotr Dymek +5 · 1 citation
   Computer Science · Mathematics · #47B37 #47L75 #Advanced Topics in Algebra #FOS: Mathematics #Functional Analysis (math.FA) #Holomorphic and Operator Theory #Matrix Theory and Algorithms
3. Invertibility, Fredholmness and kernels of dual truncated Toeplitz\n operators
   2019/12/31 by M. Cristina Câmara, Câmara, M. Cristina, Kamila Kliś–Garlicka +5 · 1 citation
   Mathematics · #Algebraic and Geometric Analysis #FOS: Mathematics #Functional Analysis (math.FA) #Holomorphic and Operator Theory #Spectral Theory in Mathematical Physics
4. Conjugations of Unitary Operators, II
   2024/02/22 by Mashreghi, Javad, Ptak, Marek, Ross, William T. · 1 citation
   #47A65 #FOS: Mathematics #Functional Analysis (math.FA)
5. Conjugations of Unitary operators, I
   2024/02/22 by Javad Mashreghi, Mashreghi, Javad, Marek Ptak +3 · 1 citation
   Mathematics · #47A465 #Advanced Banach Space Theory #Approximation Theory and Sequence Spaces #FOS: Mathematics #Functional Analysis (math.FA) #Holomorphic and Operator Theory