Bruce Blackadar

4.0k citations

30 papers · 2.0k indexed · 1 hit paper · h-index 19

Impact in

Algebra and Number Theory top 0.2%
- Advanced Topics in Algebra
Mathematical Physics top 0.2%
- Advanced Operator Algebra Research
- Advanced Banach Space Theory
- Spectral Theory in Mathematical Physics
- Homotopy and Cohomology in Algebraic Topology

Papers in

Algebra and Number Theory 22
- Advanced Topics in Algebra 22
Mathematical Physics 27
- Advanced Operator Algebra Research 26
- Advanced Banach Space Theory 8
- Homotopy and Cohomology in Algebraic Topology 2

Co-authors: Mikael Rørdam Alexander Kumjian David Handelman Eberhard Kirchberg Marius Dădărlat Joachim Cuntz Ola Bratteli George A. Elliott
Journals: Proceedings of the American Mathematical Society (4 papers)Pacific Journal of Mathematics (3 papers)Journal of Functional Analysis (3 papers)Mathematische Annalen (2 papers)American Journal of Mathematics (1 paper)
Partner nations: United States Canada Germany

In The Last Decade

Bruce Blackadar

28 papers receiving 1.6k citations

Hit Papers

align trajectories log scale

K-Theory for Operator Algebras 1986 · 660 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1986 CERN Document Server (European Organization for Nuclear Research)

Peers

Countries citing papers authored by Bruce Blackadar

Since Specialization

Citations

This map shows the geographic impact of Bruce Blackadar's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Bruce Blackadar with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Bruce Blackadar more than expected).

Fields of papers citing papers by Bruce Blackadar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Bruce Blackadar. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Bruce Blackadar. The network helps show where Bruce Blackadar may publish in the future.

Co-authors

The 12 scholars most cited alongside Bruce Blackadar, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Bruce Blackadar Line = papers co-authored together Bruce Blackadar links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	The space of tracial states on a C ∗ -algebra Expositiones Mathematicae ·Bruce Blackadar, 백승헌	2024	1
2	Operator Algebras Bruce Blackadar	2006	212
3	Operator Algebras: Theory of C-Algebras and von Neumann Algebras CERN Document Server (European Organization for Nuclear Research)* ·Bruce Blackadar	2005	198
4	The stable rank of full corners in C-algebras Proceedings of the American Mathematical Society* ·Bruce Blackadar	2004	10
5	Inner quasidiagonality and strong NF algebras Pacific Journal of Mathematics ·Bruce Blackadar, Eberhard Kirchberg	2001	23
6	Extending states on preordered semigroups and the existence of quasitraces on C∗-algebras Journal of Algebra ·Bruce Blackadar, Mikael Rørdam	1992	43
7	Reduction of real rank in inductive limits ofC -algebras Mathematische Annalen* ·Bruce Blackadar, Ola Bratteli, George A. Elliott, Alexander Kumjian	1992	45
8	Approximately central matrix units and the structure of noncommutative tori K-Theory ·Bruce Blackadar, Alexander Kumjian, Mikael Rørdam	1992	96
9	Symmetries of the CAR Algebra Annals of Mathematics ·Bruce Blackadar	1990	44
10	Rational $C^$-algebras and nonstable $K$-theory Rocky Mountain Journal of Mathematics* ·Bruce Blackadar	1990	18
11	Skew products of relations and the structure of simpleC-algebras Mathematische Zeitschrift ·Bruce Blackadar, Alexander Kumjian	1985	36
12	The regular representation of local affine motion groups Pacific Journal of Mathematics ·Bruce Blackadar	1983	15
13	A Stable Cancellation Theorem for Simple C-Algebras Proceedings of the London Mathematical Society* ·Bruce Blackadar	1983	12
14	Dimension functions and traces on C∗-algebras Journal of Functional Analysis ·Bruce Blackadar, David Handelman	1982	119
15	The Structure of Stable Algebraically Simple C-Algebras American Journal of Mathematics* ·Bruce Blackadar, Joachim Cuntz	1982	34
16	Traces on simple AF C∗-algebras Journal of Functional Analysis ·Bruce Blackadar	1980	32
17	A Simple C ∗ -Algebra with no Nontrivial Projections Proceedings of the American Mathematical Society ·Bruce Blackadar	1980	22
18	Weak expectations and injectivity in operator algebras Proceedings of the American Mathematical Society ·Bruce Blackadar	1978	5
19	Indiana University Mathematics Journal ·Bruce Blackadar	1978	19
20	The regular representation of restricted direct product groups Journal of Functional Analysis ·Bruce Blackadar	1977	17

About Bruce Blackadar

Bruce Blackadar is a scholar working on Algebra and Number Theory, Mathematical Physics, Geometry and Topology, Applied Mathematics and Computational Theory and Mathematics, having authored 30 papers that have together received 2.0k indexed citations. Recurring topics across this work include Advanced Operator Algebra Research (26 papers), Advanced Topics in Algebra (22 papers), Advanced Banach Space Theory (8 papers), Holomorphic and Operator Theory (7 papers), Algebraic structures and combinatorial models (5 papers), Advanced Algebra and Logic (4 papers), Geometric and Algebraic Topology (2 papers) and Homotopy and Cohomology in Algebraic Topology (2 papers). The work is most often cited by research in Algebra and Number Theory (1.5k citations), Mathematical Physics (1.8k citations), Geometry and Topology (578 citations), Applied Mathematics (358 citations) and Statistical and Nonlinear Physics (231 citations). Bruce Blackadar has collaborated with scholars based in United States, Canada and Germany. Frequent co-authors include Mikael Rørdam, Alexander Kumjian, David Handelman, Eberhard Kirchberg, Marius Dădărlat, Joachim Cuntz, Ola Bratteli, George A. Elliott, Aaron Tikuisis and Leonel Robert. Their work appears in journals such as Proceedings of the American Mathematical Society, Pacific Journal of Mathematics, Journal of Functional Analysis, Mathematische Annalen and American Journal of Mathematics.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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