Research Publications

Research Publications in International Journals:

1. Kala, R. and S.Arumugam, Domination parameters of Star graphs, ArsCombinatoria, Volume 44 (1996), pp.93-962.
2. Kala, R. and S.Arumugam, Domination Parameters of Hypercubes, Journal of the Indian Mathematical Society, Vol 65, No.1-4 (1998).
3. Kala, R., and S.Arumugam, Domsaturation number of a graph, Indian Journal of Pure and Applied Mathematics, 33(ii):1617-1676, Nov.2002
4. Kala, R., and Arumugam, S., (2002):Connected domsaturation number of a graph, Indian Journal Pure Applied Mathematics, 35(10):1215-1676, November 2002.                            5. Kala, R., and Arumugam, S., (2006): Menger sets in graphs, Indian Journal of Mathematics, Volume-48, Number 3, December 2006.
6. Kala, R., and Nirmala Vasantha, T.R., :Restrained double dominationnumber of a graph, AKCE International journal of graphs andCombinatorics5, No.1(2008), pp.73-82.
7. Sattanathan, M and Kala, R., An introduction to order prime graph, International Journal of Contemporary Mathematical Sciences, Vol.4, 2009, No.10, 467-474
8. Kala, R., and Arumugam, S., :Anote on global domination ingraphs, ArsCombinatoria, Volume 93, pp. 175-180(2009 ).
9. Kala, R.and Nirmala Vasantha, T.R, restrained bondage number of a graph, Journal of Discrete mathematical Sciences and Cryptography, Vol.12, No.3, pp. 373-380 ( 2009).
10. Sattanathan, M and Kala, R., Degree prime graph, Journal of Discrete mathematical Sciences and Cryptography, Vol.12, No.2, pp. 167-173 (2009).
11. Kala, R., and Nirmala Vasantha, T.R., : Global restrained domination Number of a graph, Algebra, graph theoryand their applications, narosa Publishing House, pp.39 -49 (2010).
12. John Arul Singh and R. Kala, Min-dom-colour number of a graph, International Journal of Contemporary Mathematical Sciences, Vol.5(2010), No. 41, 2019-2027
13. S. Ashaand R. Kala, Continuous monotonic decomposition of some special class of graphs, International Journal of Mathematical Analysis, Vol.4, No. 49-52, 2010
14. R. Ponraj, J. Vijaya Xavier Parthipan and R. Kala, Some results on Pair Sum labeling of graphs, International J. Math. Combin. Vol.4(2010), 53 –61
15. A. Nagarajan, S. Navaneetha Krishnan and R. Kala, The (a, d)- Ascending subgraph decomposition, International J. Math. Combin. Vol.2(2010), 81-94
16. Y. S. IrineSheela and R. Kala, Complementary signed Dominating functions in Graphs, International Journal of Contemporary Mathematical Sciences, Vol.6( 2011), No.38, 1861- 1870.
17. R. Ponraj, J. Vijaya Xavier Parthipan and R. Kala, A note on Pair- Sum graphs, Journal of Scientific Research 3(2) – p.p.322-329 (2011)
18. P.Balakrishnan, M.Sattanathan and R. Kala, The center graph of a group, South Asian Journal of Mathematics, Vol.1(1), 21-28, 2011
19. K. Manickam, M. Marudai and R. Kala, Some Results on FelicitousLabeling of Graphs, J. Combin. Math. Combin. Comput.,81(2012), 273-279.
20. Y. S. IrineSheela and R. Kala, Complementary signed Domination number of certain Graphs, International Journal of Mathematical Combinatorics, Vol.3 (2011), pp. 34-46.                                                                                                                                    21. John Arul Singh and R. Kala, A note on dom-color number of a graph, Indian Journal of Mathematics, Vol53, No 3, 2011
22. R. Ponraj, J. Vijaya Xavier Parthipan and R. Kala, Some new families of Pair Sum Graphs, J. Math. Comput.Sci.2(2012), No. 3, p.p 747-758.
23. D. Nidha and R. Kala, A note on edge-domsaturation number of a graph, Open Journal of Discrete mathematics, 2012, 2, pp.109-113
24. P.Balakrishnan and R. Kala, The order difference interval graph of a group, Transactions on combinatorics, Vol.01, No. 2, pp 59-65, 2012.
25. V. Anusuya and R. Kala, A note on disjoint dominating sets in graphs, International Journal of Contemporary Mathematical Sciences, Vol.7, 2012, No.43, 2099-2110
26. S. Chelliah, M. Marudai and R. Kala, Best proximity point for mappings satisfying generalized contractive condition of rational type on a metric space, Far East Journal of mathematical sciences (FJMS), Volume 69, Number 1, 2012, pp. 51-60
27. Vilfred, V, Kala, R and Suryakala, A, Decomposition of Integral sum graphs G0, n into Triangular books and Fan graphs, Proceedings of the International Conference on Mathematics in Engineering And Business Management, Stella Maris College, March 9-10, 2012
28. R.Ponraj, J.Vijaya Xavier Parthipan and R. Kala, Pair Sum labelling of some trees, Journal of Indian Acad. Math. Vol. 34, No. 2 (2012), pp.387-402
29. Raja Ponraj, JeyarajVijaya Xavier Parthipan and Rukhmoni Kala, Further results on Pair Sum Graphs, Applied Mathematics, Vol.3, Number 3, 2012, p.p 267-275.
30. R. Ponraj, S. Sathishnarayanan and R. Kala, Difference Cordial labeling of Graphs, Global Journal of mathematical sciences, Theory and Practical, Volume 5, Number 3 (2013), pp.185-196.
31. R. Ponraj, S. Sathishnarayanan and R. Kala, Difference Cordial labeling of Graphs obtained from double snakes, International Journal of Mathematics Research, Volume 5, Number 3 (2013), pp.317- 322.
32. R. Ponraj, S. Sathishnarayanan and R. Kala, Difference Cordial labeling of subdivided graphs, Scientia Magna, Volume 9, Number 3 (2013), pp.57-66.
33. R. Ponraj, S. Sathishnarayanan and R. Kala, Difference Cordial labeling of corona Graphs, J.Math. Comput. Sci. 3 (2013), Number 5, pp.1237-1251.
34. V. Vilfred, R. Kala and A. Suryakala, (a, d)- Ascending Subgraph Decomposition of graphs Kn and G0, n.
35. R. Kala and S. Kavitha, Nilpotent graphs of genus one, Discrete Mathematics, Algorithms and applications, Vol.6, No.3, 2014.                                                                                                                                                                                                        36. R. Ponraj, S. Sathishnarayanan and R. Kala, On radio mean number of some graphs, International Journal of Math. Combinatorics, Vol.3, pp.41-48, 2014
37. R. Ponraj, S. Sathishnarayanan and R. Kala, Radio mean number of Some wheel relatedgraphs, Jordan Journal of Mathematics and Statistics, 7(4), pp.273-286, 2014
38. Y. Therese Sunitha Mary and R. Kala, Nonsplit domination number of agraph, International Journal of computational and applied Mathematics, Vol.9, No.1, pp 51-61, 2014
39. R. Ponraj, S. Sathishnarayanan and R. Kala, Difference cordial labelling of subdivision of snake graphs, UniversalJournal of Applied Mathematics, 2(1), pp.40-45, 2014
40. R. Ponraj, S.Sathishnarayanan and R. Kala, A note on difference cordial graphs, Palestine Journal of Mathematics, 4(1), pp.189-197, 2015
41. R. Ponraj, S. Sathishnarayanan and R. Kala, Difference cordiality of productrelated graphs, Tbilisi Math. Journal, 8(2), pp 41-47, 2015
42. R. Kala and S. Kavitha, A typical graph structure of a ring, Transactions on Combinatorics, Vol.4(2), pp 37-44, June 2015
43. R. Ponraj, S. Sathishnarayanan and R. Kala, Radio mean labelling of a graph, AKCE International Journal of Graphs and combinatorics, 12 (2015), 224-228.
44. P. Uma and R. Kala, n-Path graph, IOSR Journal of Mathematics, Vol.11, Issue 1, 2015, pp. 51-57.
45. V. Anusuya and R. Kala, i(G) – graph-G(i) of some special graphs, IOSRJournal ofMathematics, Vol.11, Issue 1, 2015, pp. 70-84.
46. R. Kala and S. Kavitha, Sum annihilating ideal graph of a commutative ring, Palestine Journal of Mathematics, Vol.5(2)(2016), p.p. 282-290
47. K. Manickam, M. Marudai and R. Kala, Some Results on super edge magic n-stars, ARSCOMBINATORIA, 126 (2016), pp 281-288
48. R. Ponraj, Rajpal Singh and R. Kala, k- Prime Cordial graphs, J. Appl. Math, & Informatics, Vol.34(2016). No. 3-4, pp. 227-237
49. R. Ponraj, M. Maria Adaickalam and R. Kala, Quotient Cordial labeling ofgraphs, International J. Math. Combin.Vol.1(2016), N0. 3-4, pp. 101-108
50. R. Kala and s. Kavitha, On the genus of the Cayley graph of a commutative ring, Discussionesmathematicae- General Algebra and applications, Vol.36, No.2, 2016, pp 147-155
51. J. John Arul Singh and R. Kala, Hyperdomination in groups, ARSCOMBINATORIA, 125(2016), pp 97-108
52. R.Ponraj, M.MariaAdaickalam and R.Kala, k-difference cordial labeling of graphs, International journal of mathematical combinatorics, 2(2016), 121-131
53. R. Kala and A. Mallika, Central sets and radii ofI ( R ), Palestine JournalofMathematics, Vol.6(1)(2017), p.p. 271-279.                                                                                                                                                                                                                      54. S. Alagu and R. Kala, Asteroidal number of product of paths, Journal of Mathematicaland Computational Science, Vol.7, No. 2, 2017, pp 307-320
55. R. Ponraj, K. Annathurai and R. Kala, k-Remainder Cordial, Journal of Algorithms and computation, 49(2), December2017, pp. 41-52
56. S. Kavitha and R. Kala, On the genus of graphs from commutative rings, AKCE, International Journal of Graphs and Combinatorics(2017)http.//da.doi.org/10.1016/jakcej2016.11.006
57. A. Mallika and R. Kala, A note on zero-divisor graph of amalgamated duplication of a ringalong an ideal, AKCE International Journal of Graphs and Combinatorics, 14 (2017), pp 18-26
58. A. Mallika, R. Kala and K. Selvakumar, A note on ideal based zero-divisor graph ofA commutative ring, Discussionesmathematicae General algebraand applications, 37(2017), pp 177-187.
59. R. Ponraj, S. Sathishnarayanan and R. Kala, Difference Cordial labelling of SomeSpecialgraphs, PalestineJournal of Mathematics, Vol.6, (Special Issue II) (2017), pp 135-140
60. A. Mallika andR. Kala, Rings whose co-zero divisor graph has cross capnumber atmosttwo, Discrete Mathematics, Algorithms and Applications Vol. 9, No. 6 (2017)
61. R. Kala and S. Kavitha, On the genus of graphs from commutative rings, AKCEInt., Journal of graphs and combinatorics, 14(2017), pp 27-34
62. A. Mallika andR. Kala, Nilpotent graphs with crosscap at most two, AKCE Int., Journal of graphs and combinatorics, 2017
63. R. Kala, A. Mallikaand K. Selvakumar, The edge chromatic number of(R )*, Algebra and discrete mathematics, volume 24 (2017). Number 2, pp. 250–261
64. R. Ponraj, Rajpal Singh and R. Kala, Some more 4- Prime Cordial graphs, InternationalJ.Math. Combin. Vol.2(2017), pp. 105-115
65. R. Ponraj, Rajpal Singh and R. Kala, Some new families of 4- Prime Cordialgraphs, International Journal of mathematicalCombinatorics, . Vol.3 (2017), pp. 125-135
66. R. Ponraj, Rajpal Singh and R. Kala, 4- Prime Cordial labelling of some special graphs, BULLETIN OF THE INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE, Vol. 8(2018), 89- 97, DOI: 10.7251/BIMVI1801089P
67. R. Ponraj, Rajpal Singh and R. Kala, 4-Prime cordiality of some cycle and star RelatedGraphs, International Journal of Pure and Applied Mathematics Volume 118 No. 6, 2018, 235-241
68. R. Ponraj, Rajpal Singh and R. Kala, 4-prime cordiality of m copies of some graphs, Palestine Journal of Mathematics, Vol. 8 (1), 2019,307-311.                                                                                                                                                                            69. R. Ponraj, Rajpal Singh and R. Kala, SOME 3-PRIME CORDIAL GRAPHS, accepted for publication in ARS COMBINATORIA.
70. R.Ponraj, M.Maria Adaickalam and R.Kala, Further results on 3-difference cordial graphs, Accepted for publication in Journal of Combinatorial Mathematics and Combinatorial Computing .
71. R.Ponraj, M.Maria Adaickalam and R.Kala, 3-difference cordiality of some special graphs, Jordan Journal of Mathematics and Statistics (JJMS) 11(2), 2018, pp 143 - 166
72. R. Kala and S. Kavitha, Cozero-divisor graph of commutative rings, AKCEInt., Journal of graphs and combinatorics(accepted).
73. R. Kala and A. Mallika, Central sets and radii ofI ( R ), Palestine Journal of Mathematics, Vol.6(1)(2017), p.p. 271-279
74. R. Kala and s. Kavitha, On the genus of the Cayley graph of a commutative ring, Discussiones mathematicae- General Algebra and applications, Vol.36, N0.2, 2016, pp 147- 155
75. S. Alagu and R. Kala, Asteroidal number of product of paths, Journal of Mathematical and Computational Science, Vol.7, No. 2, 2017, pp 307-320.
76. R. Ponraj, K. Annathurai and R. Kala, Remainder Cordial labeling of graphs, Journal of Algorithms and computation, 49(1), June 2017, pp. 17-30.
77. R. Ponraj, Rajpal Singh and R. Kala, SOME 3-PRIME CORDIAL GRAPHS, Accepted for publication inARS COMBINATORIA.
78. R. Ponraj, M. Maria Adaickalam and R. Kala, Further results on 3-difference cordial graphs, Acceptedfor publication inJCMCC.
79. R. Ponraj, K. Annaduraiand R. Kala, Someresults on 4-remaindercordial graphs, Acceptedfor publication inARS Combinatoria
80. R. Ponraj, K. Annathurai and R. Kala, k-Remainder Cordial, Journal of Algorithms and computation, 49(2), December2017, pp. 41-52.
81. S. Kavitha and R. Kala, On the genus of graphs from commutative rings, AKCE International Journal of Graphs and Combinatorics (2017)http.//da.doi.org/10.1016/jakcej2016.11.006
82. A. Mallika and R. Kala, A note on zero-divisor graph of amalgamated duplication of a ring along an ideal, AKCE International Journal of Graphs and Combinatorics, 14 (2017), pp 18- 26.
83. A. Mallika, R. Kala and K. Selvakumar, A note on ideal based zero-divisor graph ofA commutative ring, Discussiones mathematicae General algebra and applications, 37(2017), pp 177-187.                                                                                                    84. R. Ponraj, S. Sathishnarayanan and R. Kala, Difference Cordial labelling of some Specialgraphs, PalestineJournal of Mathematics, Vol.6, (Special Issue II) (2017), pp 135- 140
85. A. Mallika andR. Kala, Rings whose co-zero divisor graph has cross cap number at most two, Discrete Mathematics, Algorithms and Applications Vol. 9, No. 6 (2017)
86. R. Kala and S. Kavitha, On the genus of graphs from commutative rings, AKCE Int., Journal of graphs and combinatorics, 14(2017), pp 27-34
87. A. Mallika andR. Kala, Nilpotent graphs with crosscap at most two, AKCE Int., Journal of graphs and combinatorics, 2017
88. R. Kala, A. Mallikaand K. Selvakumar, The edge chromatic number of ( R )*, Algebra and discrete mathematics, volume 24 (2017). Number 2, pp. 250–261
89. R. Kala and S. Kavitha, Cozero-divisor graph of commutative rings, AKCE Int., Journal ofgraphs and combinatorics(accepted).
90. B. Chandra & R. Kala, Group S3 cordial prime Labeling of Wheel related Graph, Global Journal of Engineering Science and Researches, 5(12) December 2018. Doi:10.5281/zenodo.2390060
91. R. Ponraj, M. Maria Adaickalam and R. Kala, Further Results on 3-Difference Cordial Graphs, ,Accepted for publication in Journal of Combinatorial Mathematics and Combinatorial Computing.
92. R. Ponraj, K. Annathurai and R. Kala, Remainder Cordiality of some Graphs, Palestine Journal of Mathematics, Vol. 8(1) (2019), 367-372.
93. R.Ponraj, Rajpal Singh, and R.Kala, 4-Prime cordiality of some special graphs, Bulletin of international mathematical virtual institute, 8(1)(2018), 89-97.
94. R.Ponraj, Annathurai, K., and Kala, R., k-Remaider cordial graphs, Journal of Algorithms and Computation, Vol.49(2), (2017), 41-52.
95. R.Ponraj, Annathurai, K., and Kala, R., 4-Remainder cordial labeling of some special graphs,
International Journal of Pure and Applied Mathematics, Vol. 118, No.6 (2018), 399 - 405 .
96. R.Ponraj, M.Maria Adaickalam and R.Kala3-difference cordiality of corona of double alternate snake graphs, Bulletin of International Mathematical Institute Palestine journal of mathematics, 2(2018), 245-258.
97. R.Ponraj, M.Maria MariaAdaickalam and R.Kala, 3-difference cordiality of some special graphs, Accepted for publication in Jordan Journal of Mathematics and Statistics .
98. R.Ponraj, Annathurai, K., Ponraj, R., and Kala, R., Some 3-Remainder cordial graphs, Global Journal of Engineering Science and Researches, Vol.5(6), (June - 2018), 169 - 175.                                                                                                                       99. R.Ponraj, Annathurai, K., Ponraj, R., and Kala, R., Further Results On 3-Remainder cordial labeling of graphs, International Journal of Management, IT and Engineering, Vol.8(8), (August-2018), 120 - 129.
100. R.Ponraj, Ponraj, R. Annathurai, K., and Kala, R., 4-Remainder cordial labeling of some new families graphs, Accepted for publication in Palestine Journal of Mathematics .
101. R.Ponraj, Ponraj, R. Annathurai, K., and Kala, R., 4-Remainder cordial labeling of some graphs, International Journal of Mathematical Combinatorics, Vol.1, (March - 2018), 138 - 145.
102. R.Ponraj, Ponraj, R., Annathurai, K., and Kala, R., 4-Reminder cordial labeling graphs obtained from ladder, Accepted for publication in International Journal of Mathematical Combinatorics.
103. R. Ponraj, K. Annathurai and R. Kala, Remainder Cordiality of some Graphs, Palestine Journal of Mathematics, Vol. 8(1) (2019), 367-372.
104. R. Ponraj, Rajpal Singh and R. Kala, 4-Prime Cordiality of m copes of some graphs, Palestine Journal of Mathematics, Vol. 8(1) (2019), 307-311.
105. R. Ponraj, S.Yesu Doss Philip and R.Kala, k-Total difference cordial graphs, Journal of Algorithms and Computation, 51(1) (2019), 121-128.
106. R. Ponraj, J.Maruthamani and R.Kala, k-Total Quotient cordial labeling of graphs, Journal of Applied and Pure Mathematics, Vol.1(3-4) (2019), 157-165.
107. R.Ponraj, Annathurai, K., and Kala, R., 4-Remainder cordial labeling of some graphs, International Journal of Mathematical Combinatorics, Vol.1, (March - 2018), 138 - 145.
108. V. Anusuya and R. Kala, Modified  -graph –G(m) of some grid graphs, Palestine Journal of Mathematics, Vol. 9(2), 2020, pp 691-697.
109. R. Ponraj, K. Annathurai and R. Kala, Further results on 3-Remainder Cordial labeling of graphs, International Journal of Management, IT and Engineering, Vol. 8, Issue 8 (2019), 120-129
110. B. Chandra and R. Kala, Group S3 Cordial prime labeling of graphs, Malaya Journal of Matematik, Vol.S, No.1 (2019), 403-407
111. S. Kavitha and Kala, R., A Note on Comaximal ideal graph of commutative rings, AKCE International Journal of Graphs and Combinatorics, Vol. 17:1, (2020), pp 453-460.
112. Venkat Narayanan G, Suresh Suseela J and Kala R, On 2 acyclic simple graphoidal covering of Bicyclic graphs, J. Math. Comput. Sci. 10(2020), No. 3 pp 606-632.
113. Venkat Narayanan G, Suresh Suseela J and Kala R, Simple Graphoidal cover on Tensor Product of Graphs, Advances and applications in Discrete Mathematics, Vol.22, Number 1, 2019 ,pp 1-40.                                                                                      114. R.Ponraj, Annathurai, K., and Kala, R., Remainder cordiality of some graphs, Palestine Journal of Mathematics, Vol.8(1), (2019), pp 367-372 .
115. R.Ponraj, Rajpal Singh and Kala, R., 4-Prime cordiality of m-copies of some graphs, Palestine Journal of Mathematics, Vol. 8(1), (2019), pp 307-311 .
116. R.Ponraj, S. Yesu Doss Philip and Kala, R., 4-total difference cordial labeling of union of some graphs, Journal of Applied and Pure Mathematics, Vol. 2, No.1-2 (2020), 9-16.
117. Sivaranjani B and Kala R, Fibonacci Mean Anti-magic labeling of some graphs, Advances in Mathematics : Scientific Journal 9(2020), No.5, pp 2561- 2572.
118. Venkat Narayanan G , Suresh Suseela and Rukhmoni Kala, On 2-simple graphoidal cover of a graph, November 2020. AIP Conference Proceedings 2277(1):100010 DOI: 10.1063/5.0025497
119. Chandra B and Rukhmoni Kala, Group S3 cordial prime labeling of some splitting graphs, November 2020. AIP Conference Proceedings 2277(1):100009 DOI: 10.1063/5.0025803
120. R.Ponraj and Maruthamani J, 4-total prime cordial labeling of Butterfly, Double wheel and Cn2, November 2020. AIP Conference Proceedings 2277(1):100014 DOI: 10.1063/5.0025264
122. S. Alagu and R. Kala. Nonstandard analysis of Uniform spaces, Journal of Mathematical and Computational Science,11(1), 1053-1062,2021. (UGC care list) 123. S. Alagu and R. Kala, Nonstandard χ-hulls of Uniform spaces, Malaya Journal of Mathematik 9(1), 105-106, 2021. (UGC Care list)
124. R.Ponraj and Maruthamani J, 4-total prime cordial labeling of Butterfly, Union of 4-total prime cordial graph G with the path Pn, October 2020, Proceedings of International Conference on Advances in Materials research
125. Venkat Narayanan, Suresh Suseela and Kala, on 2 Acyclic Simple Graphoidal Covering of Bicyclic Graphs, Journal of Mathematical and Computational Science (JMCS), Vol: 10, No: 3, 2020, pages:606-632, UGC CARE LIST Journal.
126. S. Alagu and R. Kala, Dense enough Nonstandard reals, Journal of Mathematical and Computational Science, 10(1),171-178, 2020. (UGC Care list)
127. S. Alagu and R. Kala, Logarithmic and Identric Mean labelings of graphs , Advances in Inequalities and applications, Article ID 8, 2020.
128. S.Alagu, R.Ponraj and R.Kala, k-parity Mean Cordial labeling of Graphs , Algebra letters, Article ID2, 2021.
129. Ponraj, K. Annathurai and Kala, R., Some results on 4-Remainder cordial labeling of graphs, Accepted for publication in ARS Combinatoria.
130. R.Ponraj, Rajpal Singh and Kala, R., Some 3-prime Cordial graphs, Accepted for publication in ARS Combinatoria.
131. E. Selvi and R. Kala, Domination Polynomials of the Jewel Graph and its Complement, South East Asian Journal of Mathematics and Mathematical Sciences, Vol.17, No.2(2021), pp.225-232.                                                                                                132. B. Sivaranjani and R. Kala, Heronian Mea Anti-Magic Labeling of Some Graphs, Proceedings of ICAMMCT-2021, (ISBN: 978-93-85434-84-6), (2021), 117-124.
133. E. Selvi and R. Kala, A note on Strong Split Domination Polynomial of a Graph, Proceedings of ICAMMCT-2021, (ISBN: 978-93-85434-84-6), (2021), 125-130.
134. S. Velmurugan and R. Kala, Restrained Domination Polynomial of Paths, Proceedings of ICAMMCT-2021, (ISBN: 978-93-85434-84-6), (2021), 131-136.
135. R. Kala, Domination and coloring in graphs, South East Asian J. of Mathematics and Mathematical Sciences, Vol. 20, Proceedings (2022), pp. 261-268.
136. E. Selvi and R. Kala, Strong split domination polynomial of Cycles, Journal of Xi’an Shiyou University, Natural Science Edition , VOLUME 18 ISSUE 7 July 2022 509-513
137. S. Velmurugan and R. Kala, Restrained Domination Polynomial of Cycles, Palestine Journal of Mathematics, Vol. 12(Special Issue II)(2023) , 58–64.
138. E. Selvi and R. Kala, Strong split domination polynomial of graphs, Palestine Journal of Mathematics, Vol. 12(Special Issue II)(2023) , 73–78.
139. B. Sivaranjani and R. Kala, Some classes of Heronian mean anti-magic graphs, Palestine Journal of Mathematics, Vol. 12(Special Issue II)(2023) , 79–87.
140. S. Velmurugan and R. Kala, Restrained domination polynomial of join and corona of graphs, Discrete Mathematics, Algorithms and Applications Vol. 15, No. 5 (2023) 2250118 (10 pages)
141.V. P. Asan Nagoor Meeran and R. Kala, Complement of Center graph of a group, Proceedings of the National Conference on Algebraic Graph Theory, Graph Theory and Analysis (MSUMEC 2023), pages 8-14
142. Therese Sunitha Mary and R. Kala, Strong Non-split domsaturation number of a graph, Discrete Mathematics, Algorithms and Applications, Vol 16, No. 7, 2024, Pages 2350089-1 to 9
143. B. Sivaranjani and R. Kala, On Heronian mean anti-magic labeling of some graphs, Accepted for publication in TWMS J. App. Eng. Math.

Research Publication in National Journals:

1. Vilfred, V, Kala, R and Suryakala, A, (a, d) –Ascending subgraph Decomposition of graphsKn and G 0, N, Proceedings of the International Conference on Applied mathematics and theoretical Computer Science, 24-25 Jan 2013, St. xavier’s Catholic College of Engineering, Kanyakumari .
2. Vilfred, V, Kala, R and Suryakala, A, Decomposition of Integral sum graphs G0, n into Triangular books and Fan graphs, Proceedings of the International Conference on Mathematics in Engineering And Business Management, Stella Maris College, March 9-10, 2012.                                                                                                                                                                                                                                                                                                                                                                                                      3. Kala, R., and Nirmalavasantha, T.R., Connected Restrained domination numberof a graph, Proceedings of the National Conference on Algebra and Graph Theory, Apublication of Manonmaniam Sundaranar University, March 2010, Editors: T. TamizhChelvam, et al., pp.37-48(2010).
4. Kala, R, Domsaturation number of a graph : Aspects and dimensions, Recentadvancements in Mathematics, Apublication of Manonmaniam Sundaranar University, March 2010, Editors: J. Paulraj Joseph et. Al., pp.01-17(2010)
5. Kala, R., and NirmalaVasantha, T.R., (2007): Graphs with equal restraineddomination and restrained domsaturation numbers, Proceedings of the fourthnational conference on Mathematical and computational models, PSGCollege of Technology, Coimbatore, pp. 196- 200December 2007.
6. Kala, R., and Therese Sunitha, Y., (2007): The nonsplit domination number of a graph, Proceedings of the fourth national conference on Mathematical andcomputational models, PSG College of Technology, Coimbatore, pp 218-224, December 2007.
7. Kala, R., and Immaculate, M., (2006): GCD of INS(n), A generalization ofPythagorean triples, The Mathematics Teacher, Volume-42-Issues: 3 and 4, 2006.
8. Kala, R., andTherese Sunitha Mary (2005): Changing Independentdomination in graphs, Proceedings of the third national conference onMathematical and computational models, PSG college of Technology, Coimbatore. December 15-16 2005.
9. Kala, R., and S.Arumugam, Completeness of dominationparameters, Proceedings of the Conference on Graph connections, Jan.28- 31, 1998, Cochin, pp.67-71.