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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 2026Show all

1 paper · 1 filter

math.FA2026

The conjugate orbit of a unitary operator

Javad Mashreghi, Marek Ptak, William T. Ross

This paper discusses various aspects of the collection of unitary operators CUC, where U is a fixed unitary operator on a complex Hilbert space H and C varies ove…

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