Mathematics Faculty

Dr. Varghese C. Joshua

Associate Professor

Education: B.Sc., Kerala University, 1989
M.Sc., CUSAT , 1991
M. Phil., CUSAT, 1992
Ph.D., CUSAT , 2003

Area of Specialization: Mathematical Modling Analysis & Applications, Stochastic Processes

Phone: +91 9447117935


Awards & Recognition:

1] J. R. Artalejo, V. C. Joshua, and A. Krishnamoorthy. An M/G/1 retrial queue with

orbital search by the server. In Advances in Stochastic Modelling, pages 41–54. Notable

Publications Inc., New Jersey, 2002.

[2]A.Krishnamoorthy, and V.C.Joshua, Excursion between Classical and retrial queue, Informational System and Technologies, Belarus, pp.315-323,2002.

[3] T.G.Deepak, V.C.Joshua, and A.Krishnamoorthy, Queues with Postponed Work, TOP, Springer, Vol 12, No.2, pp.375-398, 2004.

[4] A. N. Dudin, A. Krishnamoorthy, V.C.Joshua, and G. V. Tsarankov. Analysis of the

BMAP|G|1 retrial system with search of customers from the orbit. European Journal

of  Operational Research, 157:169–179, 2004.

[5] A.Krishnamoorthy, T.G.deepak, and V.C.Joshua, An M/G/1 retrial queue with non-persistent customers and orbital search, Stochastic Analysis and Applications, Taylor and Francis Inc, USA, Vol 23, No.5, pp. 975-998, 2005.

[6] Srinivas r. Chakravarthy, A. Krishnamooerthy and V.C.Joshua, Analysis of a Multi-server retrial queue with search of customers from the orbit, Performance Evaluation, Elsevier, pp.776-798, 2006.

[7] T. G. Deepak, Viswanath C. Narayanan, and V. C. Joshua. On an inventory with positive service time having optional processing time. Bulletin of Kerala Mathematics Association, 4(2):75--86, 2007.

[8] T.G.Deepak, C.Viswanath N. Narayanan, V.C.Joshua, and A. Krishnamoorthy, On an Inventory with Positive Service Time having Optional Processing Time, Proceedings, Operations Research Society of India, MSP 2008.

[9] T.G.Deepak, A.N.Dudin. V.C.Joshua and A.Krishnamooerthy, On an M(X)/G/1 Retrial System with Two Types of Search of Customers from the Orbit, Stochastic Models, 2011.


Dr. Jesus R. Artalejo, Department of Statistics and Operations Research, Faculty of Mathematics, Complutense University of Madrid, Madrid, Spain.

Dr. Alexander N. Dudin, Department of Applied Mathematics and Computer Science, Belarusian State University, Minsk, Belarus.

Dr. Srinivas R. Chakravarthy, Professor of Operations Research and Statistics, Department of Industrial and Manufacturing Engineering, Kettering University, Flint, USA.

Dr. A. Krishnamoorthy, Professor of Mathematics (formerly) Department of Mathematics, Cochin University of Science and Technology, Kerala, India.

Dr. T.G.Deepak, Assistant Professor, Indian Institute of Science and Technology, Thiruvananthapuram, Kerala, India.

[6] Dr. Gennedy V. Tsarenkov, Department of Applied Mathematics and Computer Science, Belarusian State University, Minsk, Belarus.