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M. Ptak

13 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 author2
  • last author8

Across the 11 of 13 papers where every author was matched, so the position is known.

fields
  • math.FA11
  • math.CV1
  • math.OA1

identity via Semantic Scholar / OpenAlex

activity
20162022
most citedWeighted shifts on directed trees. Their multiplier algebras, reflexivity and decompositions

4 citations · 6 across the 6 of their papers we have counts for

collaborators
Showing math.OAShow all

1 paper · 1 filter

math.OA2016

2--hyperreflexivity and hyporeflexivity of power partial isometries

Kamila Piwowarczyk, Marek Ptak

Power partial isometries are not always hyperreflexive neither reflexive. In the present paper it will be shown that power partial isometries are always hyporeflexive and 2--hype…

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