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researcher

M. Ptak

17 papers hereh-index 12466 citations66 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author1
  • middle author3
  • last author11

Across the 15 of 17 papers where every author was matched, so the position is known.

fields
  • math.FA15
  • math.CV1
  • math.OA1
same name
  • M. Ptak — 4 papers, h 3
  • M. Ptak — 1 paper, h 8

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20132026
most citedCharacterizations of asymmetric truncated Toeplitz operators

21 citations · 27 across the 10 of their papers we have counts for

collaborators
Showing 2020Show all

3 papers · 1 filter

math.FA2020

Intertwining property for compressions of multiplication operators

M. Cristina Câmara, Kamila Kliś--Garlicka, Bartosz Łanucha +1

Following Beurling's theorem the natural compressions of the multiplication operator in the classical L2 space are compressions to model spaces and to their orthogonal complemen…

math.CV2020

Interpolating with outer functions

Javad Mashreghi, Marek Ptak, William T. Ross

The classical theorems of Mittag-Leffler and Weierstrass show that when {λn​} is a sequence of distinct points in the open unit disk $\D$, with no accumulation points in $\D$,…

math.FA2020★ 1 cited

Asymmetric truncated Toeplitz operators and conjugations

M. Cristina Câmara, Kamila Kliś-Garlicka, Marek Ptak

Truncated Toeplitz operators in a model space are C--symmetric with respect to a natural conjugation in that space. We show that this and another conjugation associated to an ortho…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.