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1

Distance Sets on Circles

Koji Momihara,, Masashi Shinohara,

Journal:

American Mathematical Monthly

Year:

2017

Language:

english

File:

PDF, 625 KB

english, 2017

2

Strongly regular Cayley graphs from partitions of subdifference sets of the Singer difference sets

Momihara, Koji, Xiang, Qing

Journal:

Finite Fields and Their Applications

Year:

2018

Language:

english

File:

PDF, 526 KB

english, 2018

3

A new family of Hadamard matrices of order

Leung, Ka Hin, Momihara, Koji, Xiang, Qing

Journal:

Discrete Mathematics

Year:

2021

File:

PDF, 60 KB

2021

4

Constant Weight Conflict-Avoiding Codes

Momihara, Koji, Müller, Meinard, Satoh, Junya, Jimbo, Masakazu

Journal:

SIAM Journal on Discrete Mathematics

Year:

2008

Language:

english

File:

PDF, 304 KB

english, 2008

5

Divisible difference families from Galois rings(GR(4,n))and Hadamard matrices

Momihara, Koji, Yamada, Mieko

Journal:

Designs, Codes and Cryptography

Year:

2014

Language:

english

File:

PDF, 234 KB

english, 2014

6

Evaluation of the Weight Distribution of a Class of Cyclic Codes Based on Index 2 Gauss Sums

Tao Feng,, Momihara, Koji

Journal:

IEEE Transactions on Information Theory

Year:

2013

Language:

english

File:

PDF, 1.59 MB

english, 2013

7

[IEEE 2007 IEEE International Symposium on Information Theory - Nice (2007.06.24-2007.06.29)] 2007 IEEE International Symposium on Information Theory - Bounds and Constructions for Optimal Constant Weight Conflict-Avoiding Codes

Momihara, Koji, Muller, Meinard, Satoh, Junya, Jimbo, Masakazu

Year:

2007

Language:

english

File:

PDF, 393 KB

english, 2007

8

A family of m-ovoids of parabolic quadrics

Feng, Tao, Momihara, Koji, Xiang, Qing

Journal:

Journal of Combinatorial Theory, Series A

Year:

2016

Language:

english

File:

PDF, 387 KB

english, 2016

9

Upper bounds on the size of transitive subtournaments in digraphs

Momihara, Koji, Suda, Sho

Journal:

Linear Algebra and its Applications

Year:

2017

Language:

english

File:

PDF, 267 KB

english, 2017

10

New constructions of Hadamard matrices

Leung, Ka Hin, Momihara, Koji

Journal:

Journal of Combinatorial Theory, Series A

Year:

2020

Language:

english

File:

PDF, 422 KB

english, 2020

11

Some constructions for block sequences of Steiner quadruple systems with error correcting consecutive unions

Koji Momihara, Masakazu Jimbo

Journal:

Journal of Combinatorial Designs

Year:

2008

Language:

english

File:

PDF, 154 KB

english, 2008

12

Perfect difference systems of sets and Jacobi sums

Ryoh Fuji-Hara, Koji Momihara, Mieko Yamada

Journal:

Discrete Mathematics

Year:

2009

Language:

english

File:

PDF, 503 KB

english, 2009

13

A new series of main effects plus one plan for 2m factorial experiments with m=4λ±1 and 2m runs

Nabaz Esmailzadeh, Hooshang Talebi, Koji Momihara, Masakazu Jimbo

Journal:

Journal of Statistical Planning and Inference

Year:

2011

Language:

english

File:

PDF, 178 KB

english, 2011

14

Necessary and sufficient conditions for tight equi-difference conflict-avoiding codes of weight three

Journal:

Designs, Codes and Cryptography

Year:

2007

Language:

english

File:

PDF, 196 KB

english, 2007

15

Strong difference families, difference covers, and their applications for relative difference families

Journal:

Designs, Codes and Cryptography

Year:

2009

Language:

english

File:

PDF, 305 KB

english, 2009

16

New results on optimal (v, 4, 2, 1) optical orthogonal codes

Marco Buratti, Koji Momihara, Anita Pasotti

Journal:

Designs, Codes and Cryptography

Year:

2011

Language:

english

File:

PDF, 275 KB

english, 2011

17

On cyclic -support difference families

Journal:

Finite Fields and Their Applications

Year:

2009

Language:

english

File:

PDF, 233 KB

english, 2009

18

New optimal optical orthogonal codes by restrictions to subgroups

Journal:

Finite Fields and Their Applications

Year:

2011

Language:

english

File:

PDF, 243 KB

english, 2011

19

A decomposition of the 2-design formed by the planes in

Koji Momihara, Miwako Mishima, Masakazu Jimbo

Journal:

Finite Fields and Their Applications

Year:

2012

Language:

english

File:

PDF, 235 KB

english, 2012

20

Strongly regular Cayley graphs, skew Hadamard difference sets, and rationality of relative Gauss sums

Journal:

European Journal of Combinatorics

Year:

2013

Language:

english

File:

PDF, 292 KB

english, 2013

21

Three-class association schemes from cyclotomy

Feng, Tao, Momihara, Koji

Journal:

Journal of Combinatorial Theory, Series A

Year:

2013

Language:

english

File:

PDF, 244 KB

english, 2013

22

Strongly regular Cayley graphs and rationality of relative Gauss sums

Journal:

Electronic Notes in Discrete Mathematics

Year:

2013

Language:

english

File:

PDF, 185 KB

english, 2013

23

Certain strongly regular Cayley graphs on from cyclotomy

Journal:

Finite Fields and Their Applications

Year:

2014

Language:

english

File:

PDF, 260 KB

english, 2014

24

Nonsymmetric primitive translation schemes of prime power order

Feng, Tao, Momihara, Koji

Journal:

Journal of Algebraic Combinatorics

Year:

2015

Language:

english

File:

PDF, 264 KB

english, 2015

25

Lifting constructions of strongly regular Cayley graphs

Momihara, Koji, Xiang, Qing

Journal:

Finite Fields and Their Applications

Year:

2014

Language:

english

File:

PDF, 282 KB

english, 2014

26

Constructions of Optical Orthogonal Codes Based on Cyclic t -Wise Quasi-Difference Matrices

Journal:

Journal of Statistical Theory and Practice

Year:

2012

Language:

english

File:

PDF, 273 KB

english, 2012

27

Skew Hadamard Difference Sets from Cyclotomic Strongly Regular Graphs

Journal:

SIAM Journal on Discrete Mathematics

Year:

2013

Language:

english

File:

PDF, 197 KB

english, 2013

28

Cameron–Liebler line classes with parameter x=

Feng, Tao, Momihara, Koji, Xiang, Qing

Journal:

Journal of Combinatorial Theory, Series A

Year:

2015

Language:

english

File:

PDF, 576 KB

english, 2015

29

Constructions of strongly regular cayley graphs and skew hadamard difference sets from cyclotomic classes

Feng, Tao, Momihara, Koji, Xiang, Qing

Journal:

Year:

2015

Language:

english

File:

PDF, 505 KB

english, 2015

30

New strongly regular decompositions of the complete graphs with prime power vertices

Momihara, Koji, Okumura, Yu

Journal:

Finite Fields and Their Applications

Year:

2015

Language:

english

File:

PDF, 369 KB

english, 2015

31

Three-valued Gauss periods, circulant weighing matrices and association schemes

Feng, Tao, Momihara, Koji, Xiang, Qing

Journal:

Journal of Algebraic Combinatorics

Year:

2016

Language:

english

File:

PDF, 569 KB

english, 2016

32

A new infinite family of hemisystems of the Hermitian surface

Bamberg, John, Lee, Melissa, Momihara, Koji, Xiang, Qing

Journal:

Year:

2017

Language:

english

File:

PDF, 518 KB

english, 2017

33

A new series of optimal tight conflict-avoiding codes of weight

Mishima, Miwako, Momihara, Koji

Journal:

Discrete Mathematics

Year:

2017

Language:

english

File:

PDF, 676 KB

english, 2017

34

Construction of strongly regular Cayley graphs based on three-valued Gauss periods

Journal:

European Journal of Combinatorics

Year:

2018

Language:

english

File:

PDF, 447 KB

english, 2018

35

Constructions of skew Hadamard difference families

Momihara, Koji, Xiang, Qing

Journal:

European Journal of Combinatorics

Year:

2019

Language:

english

File:

PDF, 308 KB

english, 2019