SAMSON LEKE ONI


SAMSON LEKE ONI
Designation: Lecturer II
Email: lekkyonix4ree@yahoo.com
Phone:
Gender: Male

Biography

Name:.................................................................Oni Samson Leke
Place and Date of Birth:........................Zaria, 24 November 1974
Nationality:......................................................Nigerian
State of Origin/ LGA:...............................Kogi/Ijumu
Present Home Address:........................No 1 Dunamis Church Avenue, North Bank Makurdi
Postal Address:...........................................Department of Mathematics/Statistics/Computer Science, University of Agriculture, Makurdi
Phone/Email................................................07053283453/lekkyonix4ree @ yahoo.com
Marital Status:..............................................Married
Number and Ages of Children:......Three(3)/ 9,7 and 5
Correspondence Address:................Department of Mathematics/Statistics/Computer Science, University of Agriculture, Makurdi.
E-mail:...............................................................lekkyonix4ree @ yahoo.com
Phone No........................................................07053283453
Personal File Number:..........................2592
Date of First Appointment:...............May 22, 2012
Rank of First Appointment:...............Assistant Lecturer
Date of Assumption of Duty in UAM: 15 June 2012
Date of Confirmation of Appointment: 15 June, 2014
Date of Last Promotion:..............................15 October, 2015
Present Rank/Scale:.....................................Lecturer II (CONUASS 03/05)


2. EDUCATIONAL INSTITUTIONS ATTENDED WITH DATES
i. Ahmadu Bello University Staff School Zaria..............................................1988
ii. Baptist High School Ekinrin-Adde, Kogi-State ..............................1993
iii. Ahmadu Bello University, Zaria..................................................................2002
iv. Ahmadu Bello University, Zaria..................................................................2009
v. Ahmadu Bello University, Zaria .................................................................2016

3. ACADEMICQUALIFICATIONS OBTAINED WITH DATES
i. First School leaving Certificate 1988
ii. Secondary School Certificate Examination 1993
iii. B.Sc. Mathematics 2003
iv. M.Sc. Mathematics 2010
v. Ph.D. Mathematics 2016
4. WORK EXPERIENCE
i. Part Time Lecturer, Institute of Education, Ahmadu Bello University, Zaria 2008-2012
ii. Assistant Lecturer, Department of Mathematics, Statistics and Computer Science, University
of Agriculture, Makurdi Benue-State 2012-2015
iii. Lecturer II, Department of Mathematics, Statistics and Computer Science, University
of Agriculture, Makurdi Benue-State 2015- till date

HONOURS, AWARDS AND DISTINCTIONS
Most stressed free undergraduate A.B.U Mathematics student 2000, 2001
8. EXTRACURRICULAR ACTIVITIES
Footballing, Volleyballing, Table Tennis, Football Analyst

Memberships

Conference Papers
i. Singh, J. and Leke, O.(Presenter): Equilibrium Points in the Restricted Three-Body
Problem with Oblateness, Perturbations, Radiation pressure and Variable Masses. 31st
Annual Conference of the Nigerian Mathematical Society, ABU Zaria, October, 2012
ii. Singh, J. and Leke, O. (Presenter): Existence of Equilibrium Points in the Robe’s Restricted
Three-Body Problem with Variable Masses31st Annual Conference of the Nigerian
Mathematical Society, ABU Zaria, October, 2012

Publications

(a)Theses
i.Oscillation Theory of second-order Differential Equations, B.Sc. Project, Ahmadu Bello University, Zaria, July 2002.

ii.Stability Of Equilibrium Points In the Photogravitational Restricted Three-Body Problem with Variable Masses, M.Sc. Dissertation, Ahmadu Bello University, Zaria, December 2009.

iii.Investigation of Motion in the Circular Restricted Problems of Three-Bodies Under Perturbing Forces with Variable and Constant Masses, Ph.D. Thesis Ahmadu Bello University, Zaria 2016
(b) Books
Oni, L.S. (2014): Solutions and Applications of Ordinary Differential Equations.
Godson Press, High-level Makurdi. ISBN: 978-978-944-710-7
(c) Journals/Refereed Proceedings/Citations
Journal Publications
i.Singh, J. and Leke, O.: (2010) “Stability of the photogravitational restricted three-body problem with variable masses,” Astrophysics and Space Science, Vol. 326: 305- 314. Springer
ii.Singh, J., Leke, O. and Aishetu, U.: (2010) “Analysis of the stability of Triangular points in the perturbed photogravitational restricted three-body problem with variable masses,” Astrophysics and Space Science, Vol. 327: 299- 308. Springer
iii.Leke, O., Aishetu, U. and Singh, J.: “On the stability of equilibrium points in the perturbed restricted three- body problem with variable masses” Journal of the Nigerian Association of Mathematical Physics Vol.16: 413-426
iv.Leke, O and Bakut, S.:(2010) “Effects of perturbation on the stability of the autonomized triangular points in the restricted three- body problem with variable masses under a luminous primary” Journal of the Nigerian Association of Mathematical Physics, Vol.16: 427-434
v.Singh, J. and Leke, O.: (2012) “Equilibrium points and stability in the restricted three-body problem with oblateness and variable masses” Astrophysics and Space Science, Vol. 340: 27-41. Springer
vi.Singh, J. and Leke, O.: (2013) “Effects of oblateness, perturbations, radiation and varying masses on the stability of equilibrium points in the restricted three-body problem”. Astrophysics and Space Science Vol. 344: 51-61. Springer
vii.Singh, J., and Leke, O.: (2013) “Existence and stability of equilibrium points in the Robe’s restricted three-body problem with variable masses,” International Journal of Astronomy and Astrophysics, Vol. 3: 113–122, Scientific Research USA
viii. Singh, J. and Leke, O.: (2013) “Robe’s restricted three-body problem with variable
masses and perturbing forces” ISRN Astronomy and Astrophysics, Volume 2013,
Article ID 910354 Hindawi
ix. Singh, J. and Leke, O.: (2013) “On Robe’s Circular Restricted Problem of Three Variable Mass Bodies” Journal of Astrophysics Volume 2013, Article ID 898794, Hindawi
x.Singh, J., Leke, O.:(2014) “Periodic orbits in the Chermnykh-like restricted problem of oblate bodies with radiation” Astrophysics and Space Science, 350:109–117. Springer
xi. Singh, J. and Leke, O.:(2014) “Motion in a modified Chermnykh’s restricted three-body problem with oblateness”. Astrophysics and Space Science 350:143–154. Springer
xii. Singh, J., Leke, O.: (2014) “Analytic and numerical treatment of motion of dust grain particle around triangular equilibrium points with post-AGB binary star and disc” Advances in Space Research 54, 1659–1677. Elsevier
xiii.Singh, J., Leke, O.:(2014) “Effects of mass variation of main bodies on Orbits around
triangular libration points in the restricted three-body problem” Journal of Applied
Physical Science International Vol. 1 10-23. International Knowledge Press UK
d. Citations
202 Citations from different Published Scholarly Journal Articles (Researchgate)

Specializations

Mathematics

Research Archive

Current Research
i Out-of-plane equilibrium points of extra-solar planets in the central binaries PSR B1620-26
and Kepler-16 with cluster of material points and variable mass (Submitted)
ii. A generalized study of the restricted problem of three bodies having circular cluster of
materials with variable mass problems

Responsibilities

. TEACHING/COGNATE EXPERIENCE WITH DATES
(a)Teaching/Supervision of Projects
i.Teaching of Diploma, IJMB, Undergraduate and Postgraduate courses in Mathematics and Statistics
ii. Supervision of over 70 undergraduate and 3 PGD projects in Mathematics.
iii. Ongoing supervision of 6 MSc. students in Mathematics




b. Courses Taught
IJMB Courses
O ’level Basic Mathematics
Diploma Courses
i.Algebra
ii.Trigonometry
iii.Differential and Integral Calculus
iv.Mathematical Methods
v.Linear Algebra
vi.Introduction to Statistics
Undergraduate Courses
i.Real Analysis
ii.Mathematical Methods
iii.Ordinary Differential Equations
iv.Partial Differential Equations
v.Metric Spaces
vi.Differential and Integral Calculus
vii.Trigonometry
viii.Dynamics of Rigid Body
ix.Functional Analysis
x.Complex Analysis
Postgraduate Courses
i. Ordinary Differential Equations (PGD)
c. Administrative Experience
i. Departmental Board Secretary, Department of Mathematics, Statistics and Computer
Science, University of Agriculture, Makurdi 2013-2015.
ii. Students Registration Officer 2012 till date
iii. Member Postgraduate Committee January 2016
iv. Postgraduate Course Work Seminar Coordinator 2016 till date
d. Contribution To The Field And Service To University/Nation

i.Astrophysics and Space Science (APSS) Reviewer
ii.British Journal of Mathematics and Computer Science (BJMCS) Reviewer
iii.Journal Of Differential Equations and Dynamical Systems (DED) Reviewer
iv.International Journal of Astronomy and Astrophysics (IJAA) Reviewer
v.Journal of Advanced Physical Science International (JAPSI) Reviewer
vi.Asian Journal of Mathematics and Computer Research (AJOMCOR) Reviewer
vii.Journal of Advances in Mathematics and Computer Science (JAMSC) Reviewer
viii.Participation in the Times Higher Education World and Local University Ranking
ix.Member of the Local Organizing Committee for 36th NMS Makurdi 2017
e. Supervision
1. Undergraduate Supervision
Supervision of over 60 undergraduate projects in Mathematics
2). Postgraduate Supervision
PGD Mathematics Supervision (Completed)
i. Segun, V. Bello: Semi-analytic Study of Periodic Motion around Triangular Points with Radiation
Force (2014).
ii. Tamber, D. Doshima 14/7775/PGD: Second Order Linear Ordinary Differential Equations and
Solutions of Initial Value Problems (2015).
3) M.Sc. Supervision (Ongoing)
M.Sc. students assigned: i. Grace A. Hembafan 16/10061/MSc/UAM
ii. Donald Simon 16/10046/MSc/UAM
iii. Abur Gabriel 16/10060/MSc/UAM
iv. Mmaju C. Nzube 16/10199/MSc/UAM