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รศ.ดร. ธวัช ช่างผัส

รศ.ดร. ธวัช ช่างผัส

ภาควิชาคณิตศาสตร์,
คณะวิทยาศาสตร์,
มหาวิทยาลัยขอนแก่น
55876904900: H-INDEX 5

บทความ

TCI อ้างอิงจาก http://www.tci-thaijo.org/

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SCOPUS

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PUBMED

0

ISI

0

TCI

Title Author Year SCOPUS PUBMED ISI TCI
1. Regular order-preserving transformation semigroups Kemprasit, Y.
Changphas, T.
2000
2. Green's relation R on the monoid of clone endomorphisms Changphas, T. 2005
3. Green's relations on the monoid of regular hypersubstitutions Changphas, T.
Wismath, S.L.
2006
4. The order of hypersubstitutions of type τ = (3) (Dedicated to K. Denecke's 60th birthday) Changphas, T. 2006
5. The order of hypersubstitutions of type tau = (3) T Changphas 2006
6. The order of hypersubstitutions of type (2, 2) Thawhat Changphas
Klaus Denecke
2007
7. The order of hypersubstitutions of type (2,1) Changphas, T.
Hemvong, W.
2011
8. A note on quasi and bi-ideals in ordered ternary semigroups Changphas, T. 2012
9. Bi-ideals in ordered ternary semigroups Changphas, T. 2012
10. Bi-Ideals in ternary semigroups Changphas, T. 2012
11. On characterizations of (m, n)-regular ordered semigroups Sanborisoot, J.
Changphas, T.
2012
12. On semigroups of regular hypersubstitutions Hemvong, W.
Changphas, T.
2012
13. On the decomposition of prime ideals of ordered N-semigroups into their n -classes Changphas, T. 2012
14. Regular weak projection hypersubstitutions Changphas, T.
Hemvong, W.
2012
15. Roughness of Γ-subsemigroups and ideals in ordered Γ-semigroups Changphas, T.
Thongkam, B.
2012
16. The order of hypersubstitutions of type τ = (n) Hemvong, W.
Changphas, T.
2012
17. A note on right simple elements ordered semigroups Changphas, T. 2013
18. Ascending chain conditions on principal left and right ideals for semidirect products of ordered semigroups Changphas, T. 2013
19. Generalized ideals in ordered semigroups Changphas, T. 2013
20. On 0-minimal (0, 2)-bi-ideals in ordered semigroups Jantanan, W.
Changphas, T.
2013
21. On 0-minimal (0, 2)-BI-τ-ideals in τ-semigroups Phaipong, N.
Changphas, T.
2013
22. On 0-minimal (m, n)-ideals in an ordered semigroup Changphas, T. 2013
23. On classes of regularity in an ordered semigroup Changphas, T. 2013
24. On complete α-ideals in ordered semigroups Towwun, P.
Changphas, T.
2013
25. On complete ideals in ordered semigroups Changphas, T. 2013
26. On maximal α-ideals in ordered semigroups Changphas, T. 2013
27. On regular duo ordered semigroups Changphas, T. 2013
28. Right prime ideals and maximal right ideals in ordered semigroups Changphas, T. 2013
29. The regular ideal in ordered semigroups Changphas, T.
Summaprab, P.
2013
30. On bases and maximal ideals in an ordered semigroup Summaprab, P.
Changphas, T.
2014
31. On certain relations for C-closure operations on an ordered semigroup Changphas, T. 2014
32. On dual ordered semigroups Changphas, T.
Phaipong, N.
2014
33. On maximal ideals in ternary semigroups Changphas, T. 2014
34. On (m, n)-ideals of an ordered semigroup Changphas, T. 2014
35. On pure ideals in ordered ternary semigroups Sanborisoot, J.
Changphas, T.
2014
36. ON SIMPLE LEFT, RIGHT AND TWO-SIDED IDEALS OF AN ORDERED SEMIGROUP HAVING A KERNEL Changphas, T. 2014
37. On two-sided bases of an ordered semigroup Changphas, T. 2014
38. Properties of hyperideals in ordered semihypergroups Changphas, T. 2014
39. Pure ideals in ordered semigroups Changphas, T.
Sanborisoot, J.
2014
40. Relationship between ordered semihypergroups and ordered semigroups by using pseudoorder Corsini, P.
Changphas, T.
2014
41. BI-HYPERIDEALS AND QUASI-HYPERIDEALS IN ORDERED SEMIHYPERGROUPS Thawhat Changphas
Bijan Davvaz
2015
42. On (m, n)-ideals of an ordered semigroup Changphas, T. 2015
43. On (m, n)-Regularity of Gamma-Semigroups Wichayaporn Jantanan
Thawhat Changphas
2015
44. On (m, n)-regularity of ┌-semigroups Jantanan, W.
Changphas, T.
2015
45. On one-sided bases of a ternary semigroup Thongkam, B.
Changphas, T.
2015
46. Relationship between ordered semihypergroups and ordered semigroups by using pseudoorder Corsini, P.
Changphas, T.
2015
47. Some quadratic irrationals with explicit continued fraction and Engel series expansions Kanasri, N.R.
Changphas, T.
2015
48. On (m, n)-ideals and (m, n)-regular ordered semigroups Changphas, T. 2016
49. On Ordered Semigroups Containing Covered Ideals Changphas, T.
Summaprab, P.
2016
50. On ordered semigroups which are semilattices of (0,n) -simple ordered semigroups Changphas, T. 2016
51. On the principal (m,n)-ideals in the direct product of two semigroups Changphas, T. 2016
52. Linear inequations and regularity conditions on ordered semigroups Changphas, T. 2017
53. On bi-bases of a semigroup Changphas, T. 2017
54. On ordered semigroups containing covered one-sided ideals Changphas, T.
Summaprab, P.
2017
55. On partially ordered semigroups with globally idempotent two-sided ideals Changphas, T. 2017
56. On prime and semiprime bi-ideals in a partially ordered τ-semigroup Changphas, T. 2017
57. On right chain ordered semigroups Changphas, T. 2017
58. The Order of Elements of the Semigroups (W-T(x(2)))(2) and (w(T)(x(3)))(3) Damrongsak Punyathip
Thawhat Changphas
2017
59. The order of elements of the semigroups (Wτ (X2))2 and (Wτ (X3))3 Changphas, T. 2017
60. Bi-Bases of F-Semigroups Pisit Kummoon
Thawhat Changphas
2018
61. Bi-bases of Γ-semigroups Changphas, T. 2018
62. Fuzzy almost bi-ideals in semigroups Khwancheewa Wattanatripop
Ronnason Chinram
Thawhat Changphas
2018
63. Generalized kernels of ordered semigroups Summaprab, P.
Changphas, T.
2018
64. On Left and Right A-Ideals of a Gamma-Semigroup Khwancheewa Wattanatripop
Thawhat Changphas
2018
65. On left and right A-ideals of a Γ-semigroup Changphas, T. 2018
66. On left and right bases of a γ-semigroup Changphas, T. 2018
67. On right chain ordered semigroups Thawhat Changphas
Panuwat Luangchaisri
Ryszard Mazurek
2018
68. Purity of ideals and generalized ideals on ordered semigroups Changphas, T. 2018
69. Quasi-A-ideals and fuzzy A-ideals in semigroups Changphas, T. 2018
70. On (m, n)-regular and intra-regular ordered semigroups Changphas, T. 2019
71. The Clone of K∗(n, r)-Full Terms Changphas, T. 2019
72. The Monoid of Linear Hypersubstitutions Thawhat Changphas
Bundit Pibaljommee
Klaus Denecke
2019
73. Weakly semiprime segments in ordered semigroups Panuwat Luangchaisri
Thawhat Changphas
2019
74. Clones of terms of a fixed variable Khwancheewa Wattanatripop
Thawhat Changphas
2020
75. Left (right) magnifying elements of a partial transformation semigroup Panuwat Luangchaisri
Thawhat Changphas
Chalida Phanlert
2020
Count 67 0 18 0

Title Authors Year Publication name Cited count
< 2015 2016 2017 2018 2019 2020 รวม
1. Regular order-preserving transformation semigroups Kemprasit, Y.
Changphas, T.
2000 Bulletin of the Australian Mathematical Society
3 (62), pp. 511-524
2. Green's relation R on the monoid of clone endomorphisms Changphas, T. 2005 Algebra Colloquium
3 (12), pp. 519-530
3. Green's relations on the monoid of regular hypersubstitutions Changphas, T.
Wismath, S.L.
2006 Algebra Colloquium
4 (13), pp. 623-632
4. The order of hypersubstitutions of type τ = (3) (Dedicated to K. Denecke's 60th birthday) Changphas, T. 2006 Algebra Colloquium
2 (13), pp. 307-313
5. The order of hypersubstitutions of type (2, 2) Changphas, T. 2007 Acta Mathematica Sinica, English Series
4 (23), pp. 659-670
6. The order of hypersubstitutions of type (2,1) Changphas, T.
Hemvong, W.
2011 International Journal of Mathematics and Mathematical Sciences
(2011), pp.
7. A note on quasi and bi-ideals in ordered ternary semigroups Changphas, T. 2012 International Journal of Mathematical Analysis
9-12 (6), pp. 527-532
8. Bi-ideals in ordered ternary semigroups Changphas, T. 2012 Applied Mathematical Sciences
117-120 (6), pp. 5943-5946
9. Bi-Ideals in ternary semigroups Changphas, T. 2012 Applied Mathematical Sciences
117-120 (6), pp. 5939-5942
10. On characterizations of (m, n)-regular ordered semigroups Sanborisoot, J.
Changphas, T.
2012 Far East Journal of Mathematical Sciences
1 (65), pp. 75-86
11. On semigroups of regular hypersubstitutions Hemvong, W.
Changphas, T.
2012 International Journal of Pure and Applied Mathematics
2 (76), pp. 219-225
12. On the decomposition of prime ideals of ordered N-semigroups into their n -classes Changphas, T. 2012 Far East Journal of Mathematical Sciences
1 (64), pp. 121-127
13. Regular weak projection hypersubstitutions Changphas, T.
Hemvong, W.
2012 Asian-European Journal of Mathematics
4 (5), pp.
14. Roughness of Γ-subsemigroups and ideals in ordered Γ-semigroups Changphas, T.
Thongkam, B.
2012 Applied Mathematical Sciences
45-48 (6), pp. 2395-2401
15. The order of hypersubstitutions of type τ = (n) Hemvong, W.
Changphas, T.
2012 Applied Mathematical Sciences
41-44 (6), pp. 2019-2027
16. A note on right simple elements ordered semigroups Changphas, T. 2013 Far East Journal of Mathematical Sciences
2 (79), pp. 267-272
17. Ascending chain conditions on principal left and right ideals for semidirect products of ordered semigroups Changphas, T. 2013 Quasigroups and Related Systems
2 (21), pp. 147-154
18. Generalized ideals in ordered semigroups Changphas, T. 2013 Far East Journal of Mathematical Sciences
2 (81), pp. 147-156
19. On 0-minimal (0, 2)-bi-ideals in ordered semigroups Jantanan, W.
Changphas, T.
2013 Quasigroups and Related Systems
1 (21), pp. 83-90
20. On 0-minimal (0, 2)-BI-τ-ideals in τ-semigroups Phaipong, N.
Changphas, T.
2013 International Journal of Pure and Applied Mathematics
5 (84), pp. 549-556
21. On 0-minimal (m, n)-ideals in an ordered semigroup Changphas, T. 2013 International Journal of Pure and Applied Mathematics
1 (89), pp. 71-78
22. On classes of regularity in an ordered semigroup Changphas, T. 2013 Quasigroups and Related Systems
1 (21), pp. 43-48
23. On complete ideals in ordered semigroups Changphas, T. 2013 Far East Journal of Mathematical Sciences
2 (75), pp. 225-232
24. On complete α-ideals in ordered semigroups Towwun, P.
Changphas, T.
2013 International Journal of Pure and Applied Mathematics
3 (86), pp. 465-470
25. On maximal α-ideals in ordered semigroups Changphas, T. 2013 Far East Journal of Mathematical Sciences
2 (81), pp. 245-252
26. On regular duo ordered semigroups Changphas, T. 2013 Far East Journal of Mathematical Sciences
2 (79), pp. 177-183
27. Right prime ideals and maximal right ideals in ordered semigroups Changphas, T. 2013 Far East Journal of Mathematical Sciences
1 (73), pp. 65-72
28. The regular ideal in ordered semigroups Changphas, T.
Summaprab, P.
2013 Far East Journal of Mathematical Sciences
1 (76), pp. 61-69
29. On bases and maximal ideals in an ordered semigroup Summaprab, P.
Changphas, T.
2014 International Journal of Pure and Applied Mathematics
1 (92), pp. 117-124
30. On certain relations for C-closure operations on an ordered semigroup Changphas, T. 2014 International Journal of Pure and Applied Mathematics
1 (92), pp. 51-59
31. On dual ordered semigroups Changphas, T.
Phaipong, N.
2014 Quasigroups and Related Systems
2 (22), pp. 193-200
32. On maximal ideals in ternary semigroups Changphas, T. 2014 International Journal of Pure and Applied Mathematics
1 (92), pp. 133-139
33. On (m, n)-ideals of an ordered semigroup Changphas, T. 2014 Far East Journal of Mathematical Sciences
2 (88), pp. 137-145
34. On pure ideals in ordered ternary semigroups Sanborisoot, J.
Changphas, T.
2014 Thai Journal of Mathematics
2 (12), pp. 455-464
35. On simple left, right and two-sided ideals of an ordered semigroup having a kernel Changphas, T. 2014 Bulletin of the Korean Mathematical Society
4 (51), pp. 1217-1227
36. On two-sided bases of an ordered semigroup Changphas, T. 2014 Quasigroups and Related Systems
1 (22), pp. 59-66
37. Properties of hyperideals in ordered semihypergroups Changphas, T. 2014 Italian Journal of Pure and Applied Mathematics
33 (), pp. 425-432
38. Pure ideals in ordered semigroups Changphas, T.
Sanborisoot, J.
2014 Kyungpook Mathematical Journal
1 (54), pp. 123-129
39. Relationship between ordered semihypergroups and ordered semigroups by using pseudoorder Corsini, P.
Changphas, T.
2014 European Journal of Combinatorics
(), pp.
40. On (m, n)-ideals of an ordered semigroup Changphas, T. 2015 International Journal of Pure and Applied Mathematics
1 (100), pp. 1-5
41. On (m, n)-regularity of ┌-semigroups Jantanan, W.
Changphas, T.
2015 Thai Journal of Mathematics
1 (13), pp. 137-145
42. On one-sided bases of a ternary semigroup Thongkam, B.
Changphas, T.
2015 International Journal of Pure and Applied Mathematics
3 (103), pp. 429-437
43. Relationship between ordered semihypergroups and ordered semigroups by using pseudoorder Corsini, P.
Changphas, T.
2015 European Journal of Combinatorics
PB (44), pp. 208-217
44. Some quadratic irrationals with explicit continued fraction and Engel series expansions Kanasri, N.R.
Changphas, T.
2015 Studia Scientiarum Mathematicarum Hungarica
3 (52), pp. 316-336
45. On (m, n)-ideals and (m, n)-regular ordered semigroups Changphas, T. 2016 Songklanakarin Journal of Science and Technology
2 (38), pp. 199-206
46. On Ordered Semigroups Containing Covered Ideals Changphas, T.
Summaprab, P.
2016 Communications in Algebra
9 (44), pp. 4104-4113
47. On ordered semigroups which are semilattices of (0,n) -simple ordered semigroups Changphas, T. 2016 Far East Journal of Mathematical Sciences
10 (99), pp. 1589-1601
48. On the principal (m,n)-ideals in the direct product of two semigroups Changphas, T. 2016 Quasigroups and Related Systems
1 (24), pp. 75-80
49. Linear inequations and regularity conditions on ordered semigroups Changphas, T. 2017 Analele Stiintifice ale Universitatii Al I Cuza din Iasi - Matematica
F3 (63), pp.
50. On bi-bases of a semigroup Changphas, T. 2017 Quasigroups and Related Systems
1 (25), pp. 87-94
51. On ordered semigroups containing covered one-sided ideals Changphas, T.
Summaprab, P.
2017 Quasigroups and Related Systems
2 (25), pp. 201-210
52. On partially ordered semigroups with globally idempotent two-sided ideals Changphas, T. 2017 Far East Journal of Mathematical Sciences
9 (101), pp. 2055-2065
53. On prime and semiprime bi-ideals in a partially ordered τ-semigroup Changphas, T. 2017 International Journal of Pure and Applied Mathematics
3 (116), pp. 717-725
54. On right chain ordered semigroups Changphas, T. 2017 Semigroup Forum
(), pp. 1-13
55. On right chain ordered semigroups Changphas, T. 2017 Semigroup Forum
3 (96), pp. 523-535
56. The order of elements of the semigroups (Wτ (X<inf>2</inf>))<sup>2</sup> and (Wτ (X<inf>3</inf>))<sup>3</sup> Changphas, T. 2017 Thai Journal of Mathematics
1 (15), pp. 121-131
57. Bi-bases of Γ-semigroups Changphas, T. 2018 Thai Journal of Mathematics
Special Issue AnnualMeetinginMathematics (2018), pp. 75-86
58. Fuzzy almost bi-ideals in semigroups Changphas, T. 2018 International Journal of Mathematics and Computer Science
1 (13), pp. 51-58
59. Generalized kernels of ordered semigroups Summaprab, P.
Changphas, T.
2018 Quasigroups and Related Systems
2 (26), pp. 309-316
60. On left and right A-ideals of a Γ-semigroup Changphas, T. 2018 Thai Journal of Mathematics
Special Issue AnnualMeetinginMathematics (2018), pp. 87-96
61. On left and right bases of a γ-semigroup Changphas, T. 2018 International Journal of Pure and Applied Mathematics
1 (118), pp. 125-135
62. Purity of ideals and generalized ideals on ordered semigroups Changphas, T. 2018 Quasigroups and Related Systems
2 (26), pp. 185-196
63. Quasi-A-ideals and fuzzy A-ideals in semigroups Changphas, T. 2018 Journal of Discrete Mathematical Sciences and Cryptography
5 (21), pp. 1131-1138
64. On (m, n)-regular and intra-regular ordered semigroups Changphas, T. 2019 Quasigroups and Related Systems
2 (27), pp. 267-272
65. The Clone of K∗(n, r)-Full Terms Changphas, T. 2019 Discussiones Mathematicae - General Algebra and Applications
2 (39), pp. 277-288
66. Weakly semiprime segments in ordered semigroups Changphas, T. 2019 Mathematics
9 (7), pp.
67. Clones of terms of a fixed variable Changphas, T. 2020 Mathematics
2 (8), pp.
68. Left (right) magnifying elements of a partial transformation semigroup Changphas, T. 2020 Asian-European Journal of Mathematics
1 (13), pp.

Title Authors Year Journal title

Title Authors Year Journal title Cited count
< 2015 2016 2017 2018 2019 2020 รวม
1. Green's relation R on the monoid of clone endomorphisms T Changphas
K Denecke
2005 ALGEBRA COLLOQUIUM
3.0 (12.0), pp. 519.0-530.0
2 0 0 0 0 0 2
2. The order of hypersubstitutions of type tau = (3) T Changphas 2006 ALGEBRA COLLOQUIUM
2.0 (13.0), pp. 307.0-313.0
2 0 0 0 0 0 2
3. The order of hypersubstitutions of type (2,2) Thawhat Changphas
Klaus Denecke
2007 ACTA MATHEMATICA SINICA-ENGLISH SERIES
4.0 (23.0), pp. 659.0-670.0
0 0 0 0 0 0 0
4. ON SIMPLE LEFT, RIGHT AND TWO-SIDED IDEALS OF AN ORDERED SEMIGROUP HAVING A KERNEL Thawhat Changphas 2014 BULLETIN OF THE KOREAN MATHEMATICAL SOCIETY
4.0 (51.0), pp. 1217.0-1227.0
0 0 0 0 0 0 0
5. BI-HYPERIDEALS AND QUASI-HYPERIDEALS IN ORDERED SEMIHYPERGROUPS Thawhat Changphas
Bijan Davvaz
2015 ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS
35.0 (), pp. 493.0-508.0
19 0 0 0 0 0 19
6. On (m, n)-Regularity of Gamma-Semigroups Wichayaporn Jantanan
Thawhat Changphas
2015 THAI JOURNAL OF MATHEMATICS
1.0 (13.0), pp. 137.0-145.0
0 0 0 0 0 0 0
7. Relationship between ordered semihypergroups and ordered semigroups by using pseudoorder B. Davvaz
P. Corsini
T. Changphas
2015 EUROPEAN JOURNAL OF COMBINATORICS
(44.0), pp. 208.0-217.0
73 0 0 0 0 0 73
8. On Ordered Semigroups Containing Covered Ideals Thawhat Changphas
Pisan Summaprab
2016 COMMUNICATIONS IN ALGEBRA
9.0 (44.0), pp. 4104.0-4113.0
4 0 0 0 0 0 4
9. The Order of Elements of the Semigroups (W-T(x(2)))(2) and (w(T)(x(3)))(3) Damrongsak Punyathip
Thawhat Changphas
2017 THAI JOURNAL OF MATHEMATICS
1.0 (15.0), pp. 121.0-131.0
0 0 0 0 0 0 0
10. Bi-Bases of F-Semigroups Pisit Kummoon
Thawhat Changphas
2018 THAI JOURNAL OF MATHEMATICS
(), pp. 75.0-86.0
0 0 0 0 0 0 0
11. Fuzzy almost bi-ideals in semigroups Khwancheewa Wattanatripop
Ronnason Chinram
Thawhat Changphas
2018 INTERNATIONAL JOURNAL OF MATHEMATICS AND COMPUTER SCIENCE
1.0 (13.0), pp. 51.0-58.0
4 0 0 0 0 0 4
12. On Left and Right A-Ideals of a Gamma-Semigroup Khwancheewa Wattanatripop
Thawhat Changphas
2018 THAI JOURNAL OF MATHEMATICS
(), pp. 87.0-96.0
0 0 0 0 0 0 0
13. On right chain ordered semigroups Thawhat Changphas
Panuwat Luangchaisri
Ryszard Mazurek
2018 SEMIGROUP FORUM
3.0 (96.0), pp. 523.0-535.0
4 0 0 0 0 0 4
14. Quasi-A-ideals and fuzzy A-ideals in semigroups Khwancheewa Wattanatripop
Ronnason Chinram
Thawhat Changphas
2018 JOURNAL OF DISCRETE MATHEMATICAL SCIENCES & CRYPTOGRAPHY
5.0 (21.0), pp. 1131.0-1138.0
1 0 0 0 0 0 1
15. The Monoid of Linear Hypersubstitutions Thawhat Changphas
Bundit Pibaljommee
Klaus Denecke
2019 KYUNGPOOK MATHEMATICAL JOURNAL
4.0 (59.0), pp. 617.0-629.0
0 0 0 0 0 0 0
16. Weakly Semiprime Segments in Ordered Semigroups Panuwat Luangchaisri
Thawhat Changphas
2019 MATHEMATICS
9.0 (7.0), pp.
0 0 0 0 0 0 0
17. Clones of Terms of a Fixed Variable Khwancheewa Wattanatripop
Thawhat Changphas
2020 MATHEMATICS
2.0 (8.0), pp.
0 0 0 0 0 0 0
18. Left (right) magnifying elements of a partial transformation semigroup Panuwat Luangchaisri
Thawhat Changphas
Chalida Phanlert
2020 ASIAN-EUROPEAN JOURNAL OF MATHEMATICS
1.0 (13.0), pp.
0 0 0 0 0 0 0

Title Authors Year Journal title

ชื่อโครงการ Authors ประเภทโครงการ ปีงบประมาณ ทุนวิจับ
1. โครงสร้างอันดับเชิงพีชคณิต รศ.ดร. ธวัช ช่างผัส
โครงการ 2558 ทุนงบประมาณแผ่นดินประจำปี 2558
2. สมบัติเชิงพีชคณิตของกึ่งกรุปเกินอันดับ รศ.ดร. ธวัช ช่างผัส
โครงการ 2559 ทุนงบประมาณแผ่นดินประจำปี 2559 (เป้าหมาย2)
3. กึ่งกรุปอันดับที่สอดคล้องบางเงื่อนไขความเป็นปรกติและการประยุกต์ รศ.ดร. ธวัช ช่างผัส
โครงการ 2562 ทุนงบประมาณแผ่นดินประจำปี 2562 (งบบูรณาการวิจัยและนวัตกรรม)

0.04995250701904297