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Asst. Prof. Dr. Ekkachai Laysirikul
ผู้ช่วยศาสตราจารย์ ดร.เอกชัย หลายศิริกุล
Department of Mathematics
Faculty of Science, Naresuan University
Naresuan University
Expertise
transformation semigroups
numerical semigroups
green's relations
regularity
cayley graphs
partial order
equivalence relations
frobenius number
idempotents
semigroup theory
+5 more
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Profile + all 27 papers by year, about 3 pages
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ekkachail@nu.ac.th
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1
Cayley Graphs of Transformation Semigroups with Restriction on the Fixed Set Is Bijective
N Pinin, E Laysirikul, Y Chaiya
European Journal of Pure and Applied Mathematics 19 (2), 7605-7605, 2026
2026
0
N/A
Q2
2
Naturally ordered transformation semigroups preserving an equivalence relation on an invariant set
E Laysirikul, K Sripon, Y Chaiya
Carpathian Journal of Mathematics 41 (3), 673-685, 2025
2025
0
Q1
Q1
3
Regularity and Green's relations on GFin(Γ)\rtimesG
E Laysirikul, K Sripon
Discussiones Mathematicae-General Algebra and Applications 45 (2), 355-366, 2025
2025
0
Q3
Q3
4
Maximal and Minimal Congruences on the Semigroup 𝑇𝐸 (𝑋)
K Sripon, E Laysirikul, R Chinram
Science & Technology Asia 29 (4), 32-38, 2024
2024
1
N/A
Q4
5
Regularity and abundance on semigroups of transformations preserving an equivalence relation on an invariant set
K Sripon, E Laysirikul, Y Chaiya
AIMS Mathematics 8 (8), 18223-18233, 2023
2023
2
Q1
Q1
6
The Formula of the Frobenius Number for a Numerical Semigroup with Embedding Dimension Three respect to a Partial Order Relation
P Lueangwitchajaroen, E Laysirikul
Asian Health, Science and Technology Reports 31 (2), 33-41, 2023
2023
0
N/A
N/A
7
A Note on Regularity of Certain Semigroups of Transformations Preserving a Reflexive and Transitive Relation
K Sripon, E Laysirikul, Y Chaiya
Science & Technology Asia, 37-43, 2023
2023
0
N/A
Q4
8
Enumeration of Numerical Semigroups {0}∪[a, b]∪[c,∞) with Same Embedding Dimension
C Namnak, C Phanmun, E Laysirikul
SCIENCE AND TECHNOLOGY NAKHON SAWAN RAJABHAT UNIVERSITY JOURNAL 15 (22), 123-130, 2023
2023
0
N/A
N/A
9
Left (right) regular elements of some transformation semigroups
K Sripon, E Laysirikul, W Sommanee
Mathematics 11 (10), 2230, 2023
2023
2
Q1
Q1
10
Isomorphism Theorem for Cayley Graphs of Semigroup of Integer Modulo Prime Power Relative to an Invertible Element
E Laysirikul
Asian Health, Science and Technology Reports 27 (3), 95-100, 2019
2019
0
N/A
N/A
Showing 1 - 10 of 29 entries
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