Kumjian, Alex
- On certain Cuntz-Pimsner algebras
2001/08/29 by Alex Kumjian, Kumjian, Alex · 6 citations
Mathematics · #46L05 #46L55 #Advanced Operator Algebra Research #Advanced Topics in Algebra #FOS: Mathematics #Operator Algebras (math.OA) #Spectral Theory in Mathematical Physics #math.OA #msc:46L05 #msc:46L55
- Ample groupoids: equivalence, homology, and Matui's HK conjecture
2018/08/23 by Carla Farsi, Alex Kumjian, Farsi, Carla +5 · 4 citations
Mathematics · #46L55 #46L80 #46L89 #Advanced Operator Algebra Research #Advanced Topics in Algebra #FOS: Mathematics #Homotopy and Cohomology in Algebraic Topology #K-Theory and Homology (math.KT) #Operator Algebras (math.OA)
- On the K-theory of twisted higher-rank-graph C*-algebras
2012/11/07 by Alex Kumjian, David Pask, Kumjian, Alex +3 · 2 citations
Mathematics · #46L05 (Primary) 46L80 (Secondary) #Advanced Operator Algebra Research #Advanced Topics in Algebra #Algebraic structures and combinatorial models #FOS: Mathematics #Operator Algebras (math.OA)
- Homology for higher-rank graphs and twisted C*-algebras
2011/10/07 by Alex Kumjian, Kumjian, Alex, David Pask +3 · 2 citations
Computer Science · Mathematics · #55N10 #Advanced Operator Algebra Research #Algebraic Topology (math.AT) #FOS: Mathematics #Homotopy and Cohomology in Algebraic Topology #Operator Algebras (math.OA) #Primary 46L05 #Secondary 18G60 #Topological and Geometric Data Analysis
- Twisted Topological Graph Algebras Are Twisted Groupoid C*-algebras
2015/07/16 by Kumjian, Alex, Li, Hui · 1 citation
#22A22 #46L05 #FOS: Mathematics #Operator Algebras (math.OA)
- Pushouts of extensions of groupoids by bundles of abelian groups
2021/07/12 by Ionescu, Marius, Kumjian, Alex, Renault, Jean N. +2 · 1 citation
#20L05 #46L05 #FOS: Mathematics #Operator Algebras (math.OA)
- KMS states on C*-algebras associated to expansive maps
2003/05/01 by Alex Kumjian, Kumjian, Alex, Jean Renault +1 · 1 citation
Mathematics · #46L30 #46L40 #46L55 #Advanced Banach Space Theory #Advanced Operator Algebra Research #FOS: Mathematics #Functional Equations Stability Results #Operator Algebras (math.OA) #math.OA #msc:46L30 #msc:46L40 #msc:46L55
- Symmetries of Kirchberg algebras
2003/02/22 by David J. Benson, Benson, David J., Alex Kumjian +3 · 1 citation
Mathematics · Physics and Astronomy · #19L47 #20C10 #46L40 #46L55 (Primary) 19K99 #46L80 (Secondary) #Advanced Operator Algebra Research #Advanced Topics in Algebra #FOS: Mathematics #Noncommutative and Quantum Gravity Theories #Operator Algebras (math.OA) #math.OA #msc:19K99 #msc:19L47 #msc:20C10 #msc:46L40 #msc:46L55 #msc:46L80