researcher

U. Pennig

27 papers hereh-index 10249 citations36 works total

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

author position

sole author4
first author2
middle author4
last author17

Across the 27 of 27 papers where every author was matched, so the position is known.

fields

math.OA15
math.AT6
math.KT4
math.GT1
math.QA1

identity via Semantic Scholar / OpenAlex

activity

20052026

most citedA Dixmier-Douady theory for strongly self-absorbing C*-algebras

33 citations · 143 across the 27 of their papers we have counts for

collaborators

Showing 2024Show all

2 papers · 1 filter

math.AT2024

Units of $Z / n Z$ -equivariant $K$ -theory and bundles of UHF-algebras

Valerio Bianchi, Ulrich Pennig

We consider infinite tensor product actions of a finite cyclic group $G$ on the UHF-algebra $D = End (V)^{\otimes \infty}$ for a finite-dimensional projectively faithful unit…

math.OA2024

Spanier-Whitehead K-Duality and Duality of Extensions of $C^{*}$ -algebras

Ulrich Pennig, Taro Sogabe

KK-theory is a bivariant and homotopy-invariant functor on $C^{*}$ -algebras that combines K-theory and K-homology. KK-groups form the morphisms in a triangulated category. Spanier-Wh…

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

Units of Z/nZ-equivariant K-theory and bundles of UHF-algebras

Spanier-Whitehead K-Duality and Duality of Extensions of C∗-algebras

Units of $Z / n Z$ -equivariant $K$ -theory and bundles of UHF-algebras

Spanier-Whitehead K-Duality and Duality of Extensions of $C^{*}$ -algebras