Eiichi Bannaĭ

3.5k total citations · 1 hit paper
129 papers, 2.1k citations indexed

About

Eiichi Bannaĭ is a scholar working on Discrete Mathematics and Combinatorics, Electrical and Electronic Engineering and Artificial Intelligence. According to data from OpenAlex, Eiichi Bannaĭ has authored 129 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 73 papers in Discrete Mathematics and Combinatorics, 49 papers in Electrical and Electronic Engineering and 44 papers in Artificial Intelligence. Recurrent topics in Eiichi Bannaĭ's work include Finite Group Theory Research (68 papers), graph theory and CDMA systems (49 papers) and Coding theory and cryptography (44 papers). Eiichi Bannaĭ is often cited by papers focused on Finite Group Theory Research (68 papers), graph theory and CDMA systems (49 papers) and Coding theory and cryptography (44 papers). Eiichi Bannaĭ collaborates with scholars based in Japan, United States and China. Eiichi Bannaĭ's co-authors include Tatsuro Ito, Etsuko Bannai, R. M. Damerell, Akihiro Munemasa, Masaaki Harada, Steven T. Dougherty, Sung‐Yell Song, N. J. A. Sloane, Hajime Tanaka and S. G. Hoggar and has published in prestigious journals such as IEEE Transactions on Information Theory, Advances in Mathematics and Pacific Journal of Mathematics.

In The Last Decade

Eiichi Bannaĭ

118 papers receiving 1.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Algebraic Combinatorics I: Association Schemes

1984 599 citations Eiichi Bannaĭ, Tatsuro Ito profile →

Peers

Eiichi Bannaĭ

DMC

AI

EEE

GT

NA

J.-M. Goethals Netherlands

J.J. Seidel Netherlands

Thomas Zasĺavsky United States

W. O. J. Moser Canada

Igor E. Shparlinski Australia

Toufik Mansour Israel

Péter Frankl Hungary

Willem H. Haemers Netherlands

Tatsuro Ito Japan

Helmut Wielandt Germany

J.-M. Goethals Netherlands

Eiichi Bannaĭ

514 ×0.4

DMC

884 ×0.9

AI

834 ×0.9

EEE

259 ×0.5

GT

348 ×0.7

NA

Citations per year, relative to Eiichi Bannaĭ Eiichi Bannaĭ (= 1×) peers J.-M. Goethals

Countries citing papers authored by Eiichi Bannaĭ

Since Specialization

Citations

This map shows the geographic impact of Eiichi Bannaĭ'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 Eiichi Bannaĭ with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Eiichi Bannaĭ more than expected).

Fields of papers citing papers by Eiichi Bannaĭ

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Eiichi Bannaĭ. 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 Eiichi Bannaĭ. The network helps show where Eiichi Bannaĭ may publish in the future.

Co-authorship network of co-authors of Eiichi Bannaĭ

This figure shows the co-authorship network connecting the top 25 collaborators of Eiichi Bannaĭ. A scholar is included among the top collaborators of Eiichi Bannaĭ based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Eiichi Bannaĭ. Eiichi Bannaĭ is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

1.

Bannaĭ, Eiichi, et al.. (2024). On the two-distance embedding in real Euclidean space of coherent configuration of type (2,2;3). Discrete Mathematics. 348(4). 114378–114378.

2.

Bannaĭ, Eiichi, et al.. (2019). Unitary $t$-groups. Journal of the Mathematical Society of Japan. 72(3). 6 indexed citations

3.

Bannaĭ, Eiichi, et al.. (2010). Toy models for D. H. Lehmer's conjecture. Journal of the Mathematical Society of Japan. 62(3). 12 indexed citations

4.

Bannaĭ, Eiichi, et al.. (2010). A new example of Euclidean tight 6-design. arXiv (Cornell University). 1 indexed citations

5.

Bannaĭ, Eiichi & Etsuko Bannai. (2006). On Euclidean tight 4-designs. Journal of the Mathematical Society of Japan. 58(3). 17 indexed citations

6.

Bannaĭ, Eiichi, et al.. (2001). Modular invariants of the modular data of finite groups (Codes, lattices, vertex operator algebras and finite groups). Kyoto University Research Information Repository (Kyoto University). 1228. 1–12.

7.

Bannaĭ, Eiichi & Etsuko Bannai. (1993). GENERALIZED GENERALIZED SPIN MODELS. Kyoto University Research Information Repository (Kyoto University). 840(840). 38–53. 1 indexed citations

8.

Bannaĭ, Eiichi. (1987). Rigid spherical $t$-designs and a theorem of Y. Hong. 34(3). 485–489. 13 indexed citations

9.

Bannaĭ, Eiichi. (1984). Spherical t-designs which are orbits of finite groups. Journal of the Mathematical Society of Japan. 36(2). 16 indexed citations

10.

Bannaĭ, Eiichi & R. M. Damerell. (1979). Tight spherical designs, I. Journal of the Mathematical Society of Japan. 31(1). 90 indexed citations

11.

Bannaĭ, Eiichi. (1976). On multiply transitive permutation groups. IV. Osaka Journal of Mathematics. 13(1). 123–129. 1 indexed citations

12.

Bannaĭ, Eiichi. (1974). ON MULTIPLY TRANSITIVE PERMUTATION GROUPS II. Osaka Journal of Mathematics. 11(2). 413–416. 6 indexed citations

13.

Bannaĭ, Eiichi. (1974). ON MULTIPLY TRANSITIVE PERMUTATION GROUPS III. Osaka Journal of Mathematics. 11(3). 577–586. 2 indexed citations

14.

Bannaĭ, Eiichi. (1973). Primitive extensions of rank 4 of multiply transitive permutation groups (Part I. The case where all the orbits are self-paired). Journal of the Mathematical Society of Japan. 25(2).

15.

Bannaĭ, Eiichi & Tatsuro Ito. (1973). On finite Moore graphs. Journal of the Faculty of Science, the University of Tokyo. Sect. 1 A, Mathematics. 20(2). 191–208. 86 indexed citations

16.

Bannaĭ, Eiichi & Etsuko Bannai. (1973). On some finite subgroups of $GL(n,Q)$. Journal of the Faculty of Science, the University of Tokyo. Sect. 1 A, Mathematics. 20(3). 319–340. 2 indexed citations

17.

Bannaĭ, Eiichi. (1972). On rank 3 groups with a multiply transitive constituent. Journal of the Mathematical Society of Japan. 24(2). 4 indexed citations

18.

Bannaĭ, Eiichi. (1972). PRIMITIVE EXTENSIONS OF RANK 3 OF THE FINITE PROJECTIVE SPECIAL LINEAR GROUPS PSL(n,q), q =2^f. Osaka Journal of Mathematics. 9(1). 57–73. 1 indexed citations

19.

Bannaĭ, Eiichi. (1971). Several remarks on transitive extensions of finite permutation groups. Osaka Journal of Mathematics. 8(1). 131–134. 2 indexed citations

20.

Bannaĭ, Eiichi. (1971). DOUBLY TRANSITIVE PERMUTATION REPRESENTATIONS OF THE FINITE PROJECTIVE SPECIAL LINEAR GROUPS PSL(n,q). Osaka Journal of Mathematics. 8(3). 437–445. 7 indexed citations

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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