Piotr M. Hajac

Available identifiers

zbMath Open hajac.piotr-mMaRDI QIDQ225480

List of research outcomes

Publication	Date of Publication	Type
An equivariant pullback structure of trimmable graph \(C^{\ast}\)-algebras	2022-12-08	Paper
Counting paths in directed graphs	2022-09-19	Paper
Noncommutative Borsuk-Ulam-type conjectures revisited	2021-08-02	Paper
Non‐surjective pullbacks of graph C * ‐algebras from non‐injective pushouts of graphs	2021-07-02	Paper
Cyclic-homology Chern-Weil theory for families of principal coactions	2021-02-01	Paper
A graded pullback structure of Leavitt path algebras of trimmable graphs	2020-10-25	Paper
Associated noncommutative vector bundles over the Vaksman–Soibelman quantum complex projective spaces	2020-10-25	Paper
Pullbacks of graph C*-algebras from admissible pushouts of graphs	2020-10-25	Paper
https://portal.mardi4nfdi.de/entity/Q5128746	2020-10-25	Paper
The K-theory type of quantum CW-complexes	2020-02-20	Paper
Graph algebras	2019-12-11	Paper
Pullbacks and nontriviality of associated noncommutative vector bundles	2019-03-14	Paper
The \(K\)-theory of twisted multipullback quantum odd spheres and complex projective spaces	2019-01-17	Paper
The local-triviality dimension of actions of compact quantum groups	2018-01-02	Paper
The cyclic-homology Chern-Weil homomorphism for principal coactions	2017-12-28	Paper
An equivariant pullback structure of trimmable graph C*-algebras	2017-12-21	Paper
Free actions of compact quantum groups on unital \(C^\ast\)-algebras	2017-11-21	Paper
Rank-two Milnor idempotents for the multipullback quantum complex projective plane	2017-08-15	Paper
Noncommutative bundles over the multi-pullback quantum complex projective plane	2017-03-14	Paper
Braided join comodule algebras of bi-Galois objects	2016-10-10	Paper
Noncommutative Borsuk-Ulam-type conjectures	2016-01-08	Paper
Equivariant join and fusion of noncommutative algebras	2015-10-27	Paper
The pullbacks of principal coactions	2014-10-21	Paper
Local proof of algebraic characterization of free actions	2014-08-26	Paper
Nontrivial deformation of a trivial bundle	2014-04-29	Paper
The K-theory of Heegaard quantum lens spaces	2014-03-11	Paper
Index pairings for pullbacks of C*-algebras	2013-02-19	Paper
Finite closed coverings of compact quantum spaces	2013-02-19	Paper
Cocycle condition for multi-pullbacks of algebras	2013-02-19	Paper
Quantum complex projective spaces from Toeplitz cubes	2012-09-06	Paper
Piecewise principal comodule algebras.	2011-11-10	Paper
Reductions of piecewise-trivial principal comodule algebras	2010-12-30	Paper
Galois-Type Extensions and Equivariant Projectivity	2008-12-31	Paper
Erratum: The \(K\)-theory of Heegaard-type quantum 3-spheres	2007-02-13	Paper
Noncommutative index theory for mirror quantum spheres	2007-01-11	Paper
The \(K\)-theory of Heegaard-type quantum 3-spheres	2006-09-12	Paper
A locally trivial quantum Hopf fibration.	2006-09-12	Paper
Stable anti-Yetter-Drinfeld modules.	2004-08-20	Paper
Hopf-cyclic homology and cohomology with coefficients.	2004-08-20	Paper
Graph \(C^ *\)-algebras and \({\mathbb Z}_ 2\)-quotients of quantum spheres.	2004-08-06	Paper
The Chern-Galois character.	2004-03-15	Paper
Bundles over quantum sphere and noncommutative index theorem	2004-02-01	Paper
Chern numbers for two families of noncommutative Hopf fibrations	2003-09-15	Paper
Quantum real projective space, disc and spheres	2003-06-09	Paper
Strong connections and Chern-Connes pairing in the Hopf-Galois theory	2002-01-27	Paper
Quantum double-torus	2001-12-02	Paper
A note on first order differential calculus on quantum principal bundles	2000-08-14	Paper
Projective module description of the \(q\)-monopole	2000-01-17	Paper
Coalgebra extensions and algebra coextensions of galois type	1999-10-18	Paper
Strong connections on quantum principal bundles	1997-11-02	Paper
Metrics and pairs of left and right connections on bimodules	1997-06-03	Paper
The Einstein action for algebras of matrix valued functions—Toy models	1997-02-25	Paper
Axiomatic holonomy maps and generalized Yang-Mills moduli space	1993-11-10	Paper

Research outcomes over time

Doctoral students

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Known relations from the MaRDI Knowledge Graph

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