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Researcher · University of Auckland · New Zealand

Eamonn A. O’Brien

Eamonn A. O’Brien publishes mostly in Discrete Mathematics and Combinatorics, Artificial Intelligence and Geometry and Topology, on topics such as Finite Group Theory Research, Coding theory and cryptography and graph theory and CDMA systems.

ORCID 0000-0001-9178-9040 OpenAlex
World rank
#1,270,557
of 7,710,434 ranked researchers
Rank in New Zealand
#4,972
of 21,128
Works
152
Citations
3.2k
Citations per work
20.8
h-index
27
i10-index 73Top 3.5% in Discrete Mathematics and Combinatorics
Eamonn A. O’Brien

What does Eamonn A. O’Brien research?

Eamonn A. O’Brien's work is mostly in Mathematics (52%), Computer Science (23%), Engineering (9%).

Physical Sciences: 127 works · 83.7% of their workMathematics: 78 works · 51.5% of their workDiscrete Mathematics and Combinatorics: 44 works · 28.7% of their workGeometry and Topology: 23 works · 15.2% of their workMathematical Physics: 12 works · 7.6% of their workComputer Science: 35 works · 23.0% of their workArtificial Intelligence: 27 works · 17.5% of their workComputational Theory and Mathematics: 8 works · 5.5% of their workEngineering: 14 works · 9.2% of their workElectrical and Electronic Engineering: 14 works · 9.2% of their workEverything else: 25 works · 16.3% of their workTHEIR WORKEamonn A. O’Brien152works
Physical Sciences84%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Mathematics7851.5%
    2. Computer Science3523.0%
    3. Engineering149.2%
  2. Everything else2516.3%
  1. 1Discrete Mathematics and Combinatorics29% of their works
  2. 2Artificial Intelligence18% of their works
  3. 3Geometry and Topology15% of their works
  4. 4Electrical and Electronic Engineering9% of their works
  5. 5Mathematical Physics8% of their works
  6. 6Computational Theory and Mathematics6% of their works

Research topics

Which keywords describe Eamonn A. O’Brien's research?

The keywords of their largest research topics: Representation Theory, Finite Groups, Graphs, Cryptography, Error-Correcting Codes, Fiber Bragg Grating, Spectral Amplitude Coding and Automorphic Forms.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 17 words, with their numbers
  1. Representation Theory1442 topics
  2. Finite Groups1171 topic
  3. Graphs1171 topic
  4. Cryptography681 topic
  5. Error-Correcting Codes681 topic
  6. Fiber Bragg Grating391 topic
  7. Spectral Amplitude Coding391 topic
  8. Automorphic Forms271 topic
  9. Langlands Conjectures271 topic
  10. Knot Invariants261 topic
  11. Symplectic Topology261 topic
  12. Cluster Algebras161 topic
  13. Triangulated Categories161 topic
  14. Gromov-Witten Theory131 topic
  15. Moduli Theory131 topic
  16. Automata121 topic
  17. Formal Languages121 topic

Where does Eamonn A. O’Brien work?

Eamonn A. O’Brien's main affiliation in the publication record is University of Auckland, New Zealand.

How many publications and citations does Eamonn A. O’Brien have?

OpenAlex counts 152 works and 3,164 citations for Eamonn A. O’Brien, an h-index of 27, ranking #1,270,557 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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