Curriculum Vitae

 Abdulkadir Hassen

Department of Mathematics, Rowan University, Glassboro, NJ 08028

Educational Background 

  • Ph. D. August 1996, Temple University, Philadelphia, PA Advisor Professor Marvin Knopp 

  • M. Sc. July 1987, Addis Ababa University Ethiopia 

  • B. Sc. July 1984, Addis Ababa University Ethiopia 

Professional Experience 

  • Professor: 09/09-present, Rowan University Glassboro, NJ

  • Associate Professor: 09/01-08/09, Rowan University Glassboro, NJ 

  • Assistant Professor: 09/96-9/01, Rowan University Glassboro, NJ 

  • Instructor: 01/96-08/96, Rowan University Glassboro, NJ 

  • Teaching Assistant: 09/91-08/96, Temple University Philadelphia, PA

  • Lecturer :09/85-07/91, Addis Ababa University Ethiopia 

  • Graduate Assistan: 09/84-08/85, Addis Ababa University, Ethiopia 

Graduate Students

 Ph.D. students at Addis Ababa University

  • Twelede Tesfagy, 2020

  • Eyerus Wolde-Yohannes, 2019

  • Nasir Asfaw, 2018

  • Haider Mohammed 2018

  • Hunduma Legesse, 2016

Research Interest

  Analytic and Algebraic Number Theory, Complex Analysis Publication 

  1. Tesfayg, T., Gleta, H., and  Hassen, A. (2023), Automorphic Integrals with Rational Period Functions and Arithmetical Identities, submitted 

  2. Tesfayg, T., Gleta, H., Hassen, A.(2023), Automorphic Integrals with Log-Polynomial Period Functions and Arithmetical Identities, Indagationes Mathematicae, Volume 34, Issue 4, July 2023, Pages 854-870. ( https://doi.org/10.1016/j.indag.2023.03.006) 

  3. Makonnen, K., Balcha, S., Obsu, L., and Hassen, A. (2022), Modeling and Analysis of TB and COVID-19 Coinfection," Journal of Applied Mathematics, vol. 2022, Article ID 2449710, (https://doi.org/10.1155/2022/2449710). 

  4. Hassen A., Drissi, D., Hammett, E., and Ulrich, Q. (2022) Hypergeometric Bernoulli Polynomials and Numbers, Huston Journal of Mathematics Vol. 48, No. 2, 2022, Vol, pp. 369–394. (https://www.math.uh.edu/~hjm/Vol48-2.html) 

  5. Asfaw, N. and Hassen, A., (2020) Asymptotic Real Zeros of Hypergeometric Bernoulli polynomials, JP Journal of Algebra, Number Theory and Applications, Vol 49. Issue 1, pp 51-75. 

  6. Wolde-Yohannes, E., Hassen A., and Geleta, H. (2019) Hypergeometric Bernoulli Polynomials and Numbers of Fractional Index, The Mathematics Student Vol 88, Nos 3-4, July – December, 2019. pp 99-113.  

  7. Hassen A., and Ernst, C., (2018) A Simple Generalization of Euler Numbers and Polynomials, Journal of Indian Mathematical Society, Vol. 85, Nos. (3–4), 328–341. DOI: 10.18311/jims/2018/20981

  8. Hassen A., and Ernst, C., (2018) Convolution Theorems for Hyperbolic Bernoulli Numbers and Polynomials, Sinet, Ethiopian Journal of Science.

  9. Hassen, A. and Roibal, A., (2017), Triangles on the Lattice of Integers (with), to appear Mathematics and Computer Education Journal

  10. Legesse, H. and Hassen, A.,(2016) Fractional Hypergeometric Zeta Functions (with.), Ramanujan Journal,Vol. 42, pp. 421-436.  (DOI) 10.1007/s11139-015-9717-5

  11. Hassen, A. and Nguyen (2012) Moments of Hypergeometric Hurwitz Zeta Functions (with Hieu Nguyen), Journal of Algebra, Number Theory: Advances and Applications, Vol. 7, No. 2, pp. 109-129.

  12. Hassen, A. (2012) A Remark on Nondiscrete Hecke Groups, Journal of Algebra, Number Theory and Applications, Vol14, Issue 2, 2012, pp. 221-226.

  13.  Hassen, A. and Nguyen (2011) A Zero Free Region for Hypergeometric Zeta Functions (with Hieu Nguyen), Intern. J. Number Theory 7 (2011), No. 4, pp. 1033-1043.

  14. Hassen, A. and Booth, R. (2011) Hypergeometric Bernoulli Polynomials, (With Robert Booth), Journal of Algebra and Number Theory Academia, (2011), Vol.2, Issue 1, pp. 1 – 7.

  15. Hassen, A. and Nguyen (2010) Hypergeometric Zeta Functions, Intern. J. Number Theory 6, No. 1, pp. 99-126.

  16. Hassen, A. and Oster, M. (2009) The Distribution of Relatively Prime Numbers, Mathematics and Computer Education. Vol. 42, No. 5, pp.767-774.

  17. Abdul Hassen and Kathryn Roberts (2008), Translation of Euler’s Paper E797,  Euler Archive. 

  18. Hassen, A. and Osler. T(2008), On Generalization of Lambert’s Series (with), International Journal of Pure and Applied Mathematics, Vol. 43 No. 4, 465-484.

  19. Hassen, A. and Oster. M (2008), The Distribution of Relatively Prime Numbers, Mathematics and Computer Education. Vol. 42, No. 5, pp.767-774.

  20. Hassen, A. and Nguyen (2008), Hypergeometric Bernoulli Polynomials and Appell Sequences (with Hieu Nguyen), Intern. J. Number Theory 4 (2008), No. 5, pp. 767-774

  21. Hassen, A. and Nguyen (2007), The Error Zeta Function (with Hieu Nguyen), Intern. J. Number Theory, 3 (2007), No. 3, 439-453.

  22.  Knopp M., and Hassen, A. (2007), The Riemann Zeta Function and its Application in Number Theory, Hissab: Ethiopian Journal of Mathematics. Vol 7, No. 5. pp. 1-29

  23. Hassen, A., Osler. T, and Chandrupatla T.R., (2007), The Unlikely Union of Partitions and Divisors, The College Mathematics Journal, 38pp. 278-287.

  24.  Hassen, A., Osler. T, and Chandrupatla T.R., (2002) A Table of the Partition Function (with T Osler and TR Chandrupatla) The Mathematical Spectrum, 34 (2001/2002), pp. 55 - 57.

  25. Hassen, A. and Osler. T. (2001) Playing on the Computer with Partition, Mathematics and Computer Education, Vol. 35, No. 1, Winter 2001, pp. 5 -17 

  26. Hassen, A. (2000)  Log-Polynomial Period Functions for Nondiscrete Hecke Groups, The Proc. Amer. Math. Soc. 128 (2000), pp. 387- 396   

  27. Hassen, A. (1999), Log-Polynomial Period Functions for Hecke Groups, The Ramanujan Journal,3, (1999), pp.119-151

  28. Hassen, A. Zeleke, A. and Porru, G. (1991) Maximum Principles for Some Second Order Non-Homogeneous Semilinear Equations, Bollettino U.M. I. (7) 5-A (1991), 245-252.

Invited Talks and Lectures

  1. Recent Advances in Mathematics and Future Trends, 6th Annual Ethiopian Mathematics Professional Association Conference in Honon of Dr. Shiferaw Feyissa. May 12-13, 2022

  2. Application of the Riemann Zeta Function to Number Theory, August 10, 2019, Mathematics Department Colloquium, Adama University, Adama, Ethiopia

  3. Quality of Mathematics Education in Ethiopia, 2nd International Conference at Kotebe Metropolitan University, Addis Ababa, Ethiopia, May 6-7, 2019

  4. Hyperbolic Euler and Bernoulli Numbers, The Graduate Center Seminar, CUNY, April 12, 2019

  5. Hyperbolic Euler Numbers and Polynomials, Mathematics Department Colloquium, Adama Science and Technology University, Adama, Ethiopia, August 23, 2018,

  6. Hyperbolic Euler Numbers and Polynomials, Special Session on An Amicable Combination of Algebra and Number Theory (Dedicated to Dr. Helen G. Grundman) Thursday, Joint Mathematics Meeting, Atlanta, GA, January 5, 2017 

  7. Advanced Topics in Analytic Number Theory, December 26, 2016 –July 15, 2017, Addis Ababa U, Ethiopia 

  8. Complex Analysis I, July 5, 2015- August 1, 2015, Adama Science and Technology U, Ethiopia

  9. Complex Analysis II, August 5, 2015- August 25, 2015, Adama Science and Technology U, Ethiopia

  10. Advanced Number Theory, July 5, 2013 – August 10, 2014, Addis Ababa U, Ethiopia 

  11. Undergraduate Research in Mathematics. Madawalabu University, July 16, 2013, Robe, Bale, Ethiopia.

  12. Introduction to Analytic Number Theory, July 5, 2012 – August 10, 2012, Addis Ababa U, Ethiopia

  13. Hypergeometric Zeta Functions, Hawassa University, August 13, 2014, Hawassa, Ethiopia.

  14. Hypergeometric Bernoulli Polynomials and Apell Sequences, Wollo University, Agust 22, 2014

  15. A Generalization of Riemann’s Zeta Function. Conference in Memory of Dr. Demissu Gemeda, July 4, 2009, Addis Ababa University, Addis Ababa, Ethiopia.

  16. The Hecke-Bochner Correspondence and the Dissertation of Sister Ann Heath, March 18 and 25, 2008, Number Theory Seminar, Temple, University, Philadelphia, PA.

  17. A Generalization of Riemann Zeta Function, October 26, 2007, Mathematics Colloquium, Villanova University, Villanova, PA

  18. The Error Zeta Function. January 6, 2008, Joint Mathematics Meetings, San Diego, CA

  19. A Generalization of Riemann Zeta Function, October 23, 2007, Mathematics Colloquium, Villanova University, Villanova, PA

  20. The Error Zeta Function January 6, 2008, Joint Mathematical Meetings, San Diego, CA

  21. Zero Free Region for a Hypergeometric Zeta Function January 6, 2007, Joint Mathematical Meetings, New Orleans, LA

  22. Hypergeometric Zeta Functions, January 10, 2006, Conference on Modular Forms and Related Topics in Honor of Marvin Knopp’s 73rd Birthday, Philadelphia, PA

  23. A functional inequality for Hypergeometric Zeta Functions, Feb 23, 2005, Temple Number Theory Seminar

  24. Hypergeometric Zeta Function Part II, November 12, 2004, Rowan Math Colloquium.

  25. Sum of Divisors and Partitions, October 30, 2002, Rowan Math Colloquium.

  26. Multiplier Systems for Hecke Groups, January 20, 2000, at the Joint Mathematics Meetings Washington D.C.

  27. Automorphic Integrals and Hecke Groups, March 17, 1998, at the 943rd Central Sectional Meeting of the AMS held in Urbana, IL.

 

Last modified: Tuesday, 27 January 2026, 12:18 AM