Dr. Sumith Gunasekera, Ph.D.

 

 

 

 

Office Address: Department of Mathematics

                          University of Tennessee – Chattanooga

                          615 McCallie Avenue, Dept. 6956

                          Chattanooga, TN 37403 – 2598

                          USA

Office Hours: Mondays and Wednesdays 1:00 PM – 2:00 PM

Office Room: EMCS 418B    

Office Telephone: (423) 425 – 5391

Email: Sumith-Gunasekera@utc.edu 

Math Dept. Telephone: (423) 425 – 4545

Math Dept. Fax:  (423) 425 – 4586           

 

 

 

Education:

 

University of Nevada – Las Vegas, Las Vegas, Nevada USA

Ph.D., Statistics

 August 2009

Dissertation: Statistical Inferences for Functions of Parameters of Several Pareto and Exponential Populations with Applications in Data Traffic.

Dissertation Adviser: Dr. Malwane M. A. Ananda, Ph.D. (Purdue University, West Lafayette, Indiana USA)

                                 Professor of Statistics, Department of Mathematical Sciences, University of Nevada-Las Vegas, Nevada USA

 

 

University of Colombo, Colombo 3, Sri Lanka

B.Sc. (Honors), Physics

October 1995

Thesis: Determination of the Coefficient of Lift for a Spinning Sphere.

Thesis Adviser: Dr. W. M. Kanishka P. Wijeratna, Ph.D. (University of Missouri-Rolla, Rolla, Missouri USA) 

                   Senior Lecturer of Atomic & Molecular Physics, Department of Physics, University of Colombo, Sri Lanka

 

 

 

Professional Exams:

 

Engineering Council (EC) Examination: Formerly Council of Engineering Institutions (CEI) Examination, London, England (August 1991).

                                                                 Obtained the Engineering Council Certificate that equates to 18 months of an Honors B.Eng. for the completion

                                                                 of the Part I of the Two-Part Engineering Council Examination, which grants Engineering Council Diploma that

                                                                 equates to B.Eng. (Honors), offering the following courses:

                                                                 Mathematics, Mechanics, Electronics, Electro-Techniques, Presentation of Information, Properties of Materials.

                                                               

                                                                 Engineering Council is jointly owned by ECUK  and City&Guilds.

 

 

 

Fields of Specialization & Research Interests: Statistical Inferences, Reliability, and Experimental Design

 

 

Professional Experience:

 

Assistant Professor of Statistics/Mathematics: The Department of Mathematics

(Tenure-track)                                                     College of Arts & Sciences

                                                                             The University of Tennessee – Chattanooga (UTC)

                                                                             615 McCallie Avenue, Dept. 6956

                                                                             Chattanooga, TN 37403 – 2598

                                                                             USA

                                                                             August 01, 2009 – Present

 

Graduate Teaching Assistant: The Department of Mathematical Sciences

                                                   College of Sciences

                                                   The University of Nevada – Las Vegas (UNLV)

                                                   4505 Maryland Parkway, Box 4020

                                                   Las Vegas, NV 89154 – 4020

                                                   USA

                                         August 2001– August 2009

 

Assistant Lecturer: The Department of Physics

                                 Faculty of Science

                                 The University of Colombo (UC)

                                 Kumaratunge Munidasa Mawatha, P. O. Box 1490

                                 Colombo 3

                                 Sri Lanka

                          October 1995 – February 1997

 

Teaching Experience

 

Teaching Classes in the Department of Mathematics at the University of Tennessee-Chattanooga, TN USA:

Fall 2009 – Present

 

Fall 2009:

               1.  MATH 210 (Introductory Statistics)

         2.  MATH 131 (College Algebra)

 

Spring 2010:

               1.  MATH 420 (Proposed MATH 4120) (Undergraduate) & MATH 5121 (Graduate) (Applied Statistical Methods)

                                       (Proposed Linear Regression & Time Series)

                     2.  MATH 307 (Applied Statistics)

 

Summer 2010:

               1.  MATH 255 (Multivariable Calculus)

 

Fall 2010:

               1.  MATH 407 (Proposed MATH 4100) (Undergraduate) & MATH 5101 (Graduate) (Introduction to Probability and Statistics) 

         2.  MATH 210 (Introductory Statistics)

 

 

Teaching Classes in the Department of Mathematical Sciences at the University of Nevada-Las Vegas, NV USA:

Summer 2001 – Spring 2009:

 

              1.   MATH 126 (Pre Calculus I, In-class)

              2.   MATH 124 (College Algebra, In-class & Online)

              3.   MATH 120 (Fundamentals of College Mathematics, Online)

              4.   MATH 096 (Intermediate Algebra, In-class & Online)

              5.   MATH 095 (Elementary Algebra, In-class & Online)

              6.   STA 491/691 (Statistics for Scientists I, In-class; Substituted)

              7.   STA 161 (Introductory Statistics, In-class)

              8.   STA 152 (Introduction to Statistics, In-class)

 

 

Tutoring Classes in Physics Department at the University of Colombo, Colombo 3, Sri Lanka:

October 1995 – February 1997:

 

              1.   PH 2001 (Analog and Digital Electronics)

              2.   PH 2003 (Electro Magnetic Theory)

              3.   PH 2004 (Special Relativity)

              4.   PH 1020 (Physics Laboratory I)

 

 

Achievements:

 

1.      The Doctoral Student with the highest overall GPA of 3.91 in the Department of Mathematical Sciences, College of Sciences, at the University of

             Nevada-Las Vegas, Las Vegas, Nevada USA (2008/2009).

 

 

Publications:

 

Papers published and papers accepted for publication

        

     1. Cooray, K., Gunasekera, S., and Ananda, M. M. A. (2006). The Folded Logistic Distribution.

          Communications in Statistics-Theory and Methods 35(3), 385-393.

 

   2. Gunasekera, S. and Ananda, M. M. A. (2009). Unbalanced Two-Way ANOVA Additive Model under Heteroscedasticity using Generalized p-Values.

        Advances and Applications in Statistics 11(1), 1-13.

 

  3. Gunasekera, S. and Ananda, M. M. A. (2010). Generalized Inferences for the Common Scale Parameter of Several Pareto Populations. 

          International Journal of Statistics and Management System 5(1-2), 118-126.

 

     4. Cooray, K., Gunasekera, S., and Ananda M. M. A. (2010). The Weibull-Inverse Weibull Composite Distribution for Modeling Reliability Data.

          Accepted for publication in Model Assisted Statistics and Applications.

 

 

Papers submitted or under revision 

        

     1. Gunasekera, S. and Ananda M. M. A. (2009). Generalized Inferences for the Common Location Parameter of Several Exponential Populations.

          Submitted for publication.

 

     2. Gunasekera, S. and Ananda M. M. A. (2009). Statistical Inferences for the Offered Optical Network Unit Load.

          Submitted for publication. 

 

     3. Cooray, K., Gunasekera, S., and Ananda, M. M. A. (2009). Modeling Actuarial Data with Pareto Composite Families.

          Submitted for publication.

 

 

Grants:     

                                 

      1. Received the University of Tennessee – Chattanooga (UTC) Faculty Research Grant (2009/2010)

 

      2. Submitted a proposal for the UC Foundation Summer Fellowship (2009/2010)

 

 

Membership in or Affiliation with Professional Societies:     

                                 

      1. American Statistical Association (ASA)

 

 

Departmental Service:     

                                 

      1. UTC Mathematics Department Colloquium Committee (2009/2010)

 

      2. UTC Mathematics Department Student Relations Committee (2009/2010)

 

 

Conference Paper Presentations: 

   The following two papers were presented at the Joint Statistical Meetings (JSM) held jointly with the American Statistical Association (ASA), Biometric Society

International (Eastern American Region - ENAR and Western American region - WNAR), the Institute of Mathematical Statistics (IMS), and the Statistical Society

of Canada (SSC) in Denver, Colorado, USA (August 2008).

 

            1. Generalized Inferences for Common Scale Parameter of Several Pareto Populations.

                Gunasekera, S. and Ananda, M. M. A. 

 

            2. Folded Parametric Families. Ananda, M. M. A., Cooray, K., and Gunasekera, S.

 

 

Links

*       UTC

*       UTC MATH DEPT.

*       UNLV

*       UNLV MATH DEPT.

*       UC

*       UC PHYSICS DEPT.

*       ROYAL COLLEGE

 

 

 

 

“The Roots of Education are Bitter,

but

The Fruit is Sweet”

Aristotle – Ἀριστοτέλης

(384 BC – 322 BC)

A Greek Logician, Thinker, and Philosopher