Research Articles

2016


Dorfling, S. & Vetrik, T. Edge-colouring of graphs and hereditary graph properties, Czechoslovak Mathematical Journal  66: 87-99.

Mazorodze, J.P., Mukwembi, S. &  Vetrik, T. The Gutman index and the edge-Wiener index of graphs with given vertex connectivity, Discussiones Mathematicae Graph Theory 36: 867-876.

Mukwembi, S. & Vetrik, T. On the radius of neighborhood graphs, Quaestiones Mathematicae 39: 577-585.

Vetrik, T. Diameter of neighborhood graphs, Bulletin of the Malaysian Mathematical Sciences Society 39: 117-122.

Ahmad, S., Ahmad, U., Imran M., and Farah, N., The Omega and Sadhana polynomials of TUC4[p,q] nanotubes, Canadian Journal of Chemistry, 94: 490–493.


2015


Marki, L., Meyer, J.H., Szigeti, J. & Van Wyk, L Matrix representations of finitely generated Grassmann algebras and some consequences, Israel Journal of Mathematics 208 : 373 – 384.

Vetrik, T., Diameter of neighborhood graphs, Bulletin of the Malaysian Mathematical Sciences Society : 1-6.

Vetrik, T. Selected topics in the extremal graph theory. Acta Mathematica Nitriensia 1: 44-49.

Vetrik, T. & Ahmad, A., Computing the metric dimension of the categorial product of some graphs, International Journal of Computer Mathematics. Published online: http://www.tandfonline.com/doi/full/10.1080/00207160.2015.1109081

Childs, S.J. An improved temporal formulation of pupal transpiration in Glossina. Mathematical Biosciences 262: 214 – 229.


2014


Acho, T.M. Analysis of Sturm-Liouville Eigenproblem with interior singularities and a perturbation parameter", Mathematical Problems in Engineering, 9 pp. doi:10.1155/2014/914527.

Broere, I. & Vetrik, T. Universal graphs for two graph properties, Ars Combinatoria 116 : 257 – 262.

Childs, S.J. A Model of Teneral Dehydration in Glossina, Acta Tropica 262 : 214 – 229.

Dankelmann, P. & Vetrik, T. The degree-diameter problem for claw-free graphs and hypergraphs, Journal of Graph Theory 75 : 105 – 123.

Fasondini, M. & Schoombie, S.W. Spurious Resonance in Semidiscrete Methods for the Korteweg-de Vries Equation. SIAM Journal on Numerical Analysis 52(6) : 2863 – 2882.

Howell, K.-T. & Meyer, J.H. Near-vector spaces determined by finite fields, Journal of Algebra 398 : 55–62.

Mazorodze, J.P., Mukwembi, S. & Vetrik, T. On the Gutman index and minimum degree, Discrete Applied Mathematics 173 : 77 – 82.

Mukwembi, S. & Vetrik, T. Wiener index of trees of given order and diameter at most 6, Bulletin of the Australian Mathematical Society 89 : 379 – 396.

Oguoma, I.C. & T.M. Acho On the Analysis of the Treatment Model for Onchocerciasis infected Host in Tropical Countries, Life Science Journal 11(10) : 263-268.

Oguoma, I.C. & Acho, T.M. Mathematical modeling of the spread and control of Onchocerciasis in Tropical Countries: Case study Nigeria, Abstract and Applied Analysis, 12 pp. doi: 10.1155/2014/631658.

Vetrik, T. Abelian Cayley graphs of given degree and diameter 2 and 3, Graphs and Combinatorics 30 : 1587 – 1591.




Conference Contributions

2016


De Klerk, B-E. On the structures of the automorphisms of certain abelian groups, Paper delivered at the annual congress of the South African Mathematical Society, Ratanga Junction, Western Cape, 2-4 November

Meyer, J.H. & Maxson, C.J. Unique maximal rings of functions.  Paper delivered at the 7th European Congress of Mathematicians, Berlin, Germany, 18-22 July.

Jansen, R.S., Dual closure operators via disconnectedness and constant subcategories. Paper delivered at the annual congress of the South African Mathematical Society, Ratanga Junction, Western Cape, 2-4 November

Vetrik, T. Selected topics in the extremal graph theory. Invited talk delivered at the 13th Mathematical Conference in Nitra, Slovakia.  18-19 June.

Dorfling, S. Edge-colouring of graphs and hereditary graph properties. Paper presented at the Combinatorics 2016 Conference in Maratea, Italy, 28 May – 2 June.


2015


Meyer, J.H. & Maxson, C.J., Unique maximal rings of functions.Invited talk delivered at the 24th International Conference on Nearrings, Nearfields and Related Topics, Manipal, India.

Marki, L., Meyer, J.H., Szigeti, J. & van Wyk, L. Matrix representations of finitely generated Grassmann algebras Paper delivered at the International Conference on Radicals, Rings, Nearrings and other Algebraic Structures, Vorau, Austria.

De Klerk, B-E. A structural classification of the automorphisms of certain abelian groups. Paper delivered at the International Conference on Radicals, Rings, Nearrings and other Algebraic Structures, Vorau, Austria.

Oguoma, I.C., Acho, T.M., & Ukaga, C.N Mathematical Modelling of Oncocerciasis Transmission Potentials of Female Blackflies in Hyper_Endemic Communities after a Decade Annual Invermectin Treatment. Paper delivered at the International Biomath 2015-S conference, Pretoria, South Africa.

Vetrik, T. Selected topics in the extremal graph theory. Invited talk delivered at the 13th Mathematical Conference in Nitra, Slovakia.

Smit, J.B. The metric dimension for the categorical product of graphs. Paper delivered at the 34th Southern Africa Mathematical Sciences Association Annual Conference, Windhoek, Namibia.

FACULTY CONTACT

Faculty Manager: Ms Lee-Ann Frazenburg
T: +27 51 401 3199
E: damonsle@ufs.ac.za

Marketing Manager: Mrs Elfrieda Lötter
T: +27 51 401 2531
E: lottere@ufs.ac.za

NatAgri for next to contact block