Title/Qualifications: Doctor, PhD in Pure Mathematics
Department/Unit/Section: Mathematics Department
Contact Address: P.O.BOX 43844, 00100 Nairobi
Email Address: This email address is being protected from spambots. You need JavaScript enabled to view it.
Position: Senior Lecturer
Area of Specialization: Pure Mathematics
Research Interests: Combinatorics

ORCID ID: 0000-0003-3041-5453
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CONFERENCES/SEMINARS/WORKSHOPS

Participation

  1. Attended the Third Kenyatta University International Mathematics Conference, Kenyatta University, Nairobi, 17th to 20th  June, 2019
  2. Attended the First Kenyatta University Workshop on Mathematical Modeling, Kenyatta University, Nairobi, 17th to 21st June, 2013
  3. Attended the First Kenyatta University International Mathematics Conference, Kenyatta University, Nairobi, 8th to 10th June, 2011

 Presentation of papers at Academic and Professional Conferences

  1. Presented a paper titled “Ranks and Subdegrees of the Symmetric group acting on ordered r-element subsets”, at the First Kenyatta University International Mathematics Conference held on 8th to 10th  June , 2011 at Kenyatta University, Nairobi

Convening and Coordinating Conferences

  1. From 19th December 2012 to 21st June 2013, participated in Planning and Organization of the First Kenyatta University Workshop on Mathematical Modeling, at Kenyatta University, Nairobi

RESEARCH AND PUBLICATIONS

   Individual Publications

  1. K. Rimberia, I. N. Kamuti. (2015). Finite Subgroups of the Orthogonal Group in three dimensions and their Poles. International Journal of Mathematics and Statistics Studies 3:1, 27-42. ISSN 2053-2229 (Print), ISSN 2053-2210 (Online).https://www.eajournals.org/journals/international-journal-of-mathematics-and-statistics-studies-ijmss/vol-3issue-3-may-2015/
  1. K. Rimberia, I. N. Kamuti. (2015). Subdegrees of Primitive permutation representations of the Symmetric Group , International Journal of Scientific Research and Innovative Technology  2 : 4,  26-33. ISSN: 2313-3759 (Online).https://www.ijsrit.com/details.php?month=201504
  1. K. Rimberia, I. N. Kamuti, B. M. Kivunge and F. Kinyua. (2013). Properties of Suborbits and Suborbital graphs of the Symmetric group acting on ordered r-element subsets, Journal of Mathematical Theory and Modeling, 3:11, 115-120. ISSN 2224-5804(Print) ISSN 2225-0522 (Online).https://www.iiste.org/Journals/index.php/MTM/issue/view/805
  1. K. Rimberia, I. N. Kamuti, B. M. Kivunge and F. Kinyua. (2013). Subdegrees of the Symmetric Group  acting  acting on ordered r-element subsets, International journal of Science, Commerce and Humanities 1: 6, 112-118. ISSN 6164 (Print) ISSN 2053-5295 (Online).http://www.ijsch.com/journal.uk

Joint Publications

  1. Kamuti, E .B. Inyangala and J. K. Rimberia. (2012). Action of on  and the corresponding Suborbital graphs, International Mathematical Forum, 7: 30, 1483-1490 ISSN 1312-7594(Print)  ISSN 1314-7536 (Online).http://www.m-hikari.com/imf/imf-2012/29-32-2012/index.html

 

Articles authored with students

  1. Patrick Mwangi Kimani, Ireri Kamuti, Jane Rimberia. (2019). Rank and Subdegrees of P GL (2, q) Acting Cosets of P GL (2, e) for q an Even Power of e. International Journal of Algebra, 13(1): 29-36, ISSN: 1314-7595 (online)  ISSN: 1312-8868 (print).http://www.m-hikari.com/ija/ija-2019/ija-1-4-2019/index.html
  1. Gikunju David Muriuki, Nyaga Lewis Namu and Rimberia Jane Kagwiria. (2017). Ranks, Subdegrees and Suborbital graphs of Direct Product of the Symmetric group acting on Cartesian product of three sets. Pure and Applied Mathematical Journal , 6(1): 1-4, ISSN 2326-9790 (Print) ISSN 2326 -9812 (Online).http://www.sciencepublishinggroup.com/journal/paperinfo?journalid=141&doi=10.11648/j.pamj.20170601.11
  1. Gachimu, I. Kamuti, L. Nyaga, J. Rimberia and P. Kamaku. (2016). Properties and invariants associated with the action of the alternating group on unordered subsets International Journal of Pure and Applied Mathematics, 106(1): 333-346 ISSN: 1311-8080 (Print); ISSN: 1314-33 (Online).https://ijpam.eu/contents/2016-106-1/27/index.html
  1. Richard Gachimu, Ireri Kamuti, Lewis Nyaga and Jane Rimberia. (2015). On the suborbits of the alternating group an acting on ordered r−element, International Electronic Journal of Pure and Applied Mathematics, 9(3): 137-14, ISSN: 1314-0744.http://www.acadpubl.eu/ap/iejpam
  1. Gachago J., Kinyanjui J. , Kimani P., Rimberia J., Kiboi J. 2015. Transitivity of the action of Alternating group  acting on Ordered and Unordered quadruples. Journal of Mathematical Theory and Modeling, 5:6 111-123 ISSN 2224-5804(Print) ISSN 2225-0522 (Online).https://www.iiste.org/Journals/index.php/MTM/issue/view/1933
  1. Kimani P., Rimberia J., Muthoka G., Lao H. 2014. Applications of marks to computation of ranks and subdegrees of the symmetric group acting on ordered pairs and ordered triples. Journal of Mathematical Theory and Modeling, 4:13 95- 102 ISSN 2224-5804(Print) ISSN 2225-0522 (Online) https://www.iiste.org/Journals/index.php/MTM/issue/view/1523
  1. Kinyanjui J. N., Musundi S. W., Rimberia J., Sitati N. I. and Makila P. (2013). Transitivity of the action of () on unordered and ordered pairs. International Journal of Mathematical Archive-4(9), 77-88 ISSN 2229 – 504.http://www.ijma.info/index.php/ijma/issue/view/38
  2. Kinyanjui J. N., Musundi S. W., Rimberia J., Mwenda E. and Ruto P. K. (2013). Suborbital graphs and their properties for unordered pairs in () through rank and subdegree determination. International Research Journal of Pure Algebra -3(12), 2013, 362-369 ISSN 2248–9037.http://rjpa.info/index.php/rjpa/issue/view/35

Articles in Conference Proceedings

Rimberia J. K. and Kamuti I.N.: Ranks and Subdegrees of the Symmetric group  acting on ordered r-element subsets, First Kenyatta University International Mathematics Conference held on 8th to 10th  June , 2011 at Kenyatta University, Nairobi.