Member Profile
Membership type: full
PhD Fellowship Alumna
Felicia Obiageli Isiogugu
Country of origin: Nigeria Currently in: Nigeria, Nsukka General field of specialization: Mathematical sciencesPhD Fellowship Alumna
- Academic Background
-
Degrees
2014 Doctorate Mathematical sciences2006 Master Mathematical sciences2000 Undergraduate Mathematical sciences - Research and Profession
-
Current Research Activities
Mathematical sciences
The approximation of fixed points of single-valued and multi-valued maps and its applications to equilibrium, optimization and variation problems as well as game theory, fiber bundle and image creation.Research Keywords:fixed pointsstrong and weak convgenceBanach spaesmulti-valued and single-valued mapsdemiclosednessStrategyproximinal
Publications resulting from Research:
1. F. O. Isiogugu and M. O. Osilike, Convergence theorems for new classes of multivalued hemicontractive-type mappings, Fixed Point Theory and Applications (2014) 2014:93
2. F. O. Isiogugu, (2013) Demiclosedness Principal and Approximation Theorems for Certain Classes of Multivalued Mappings in Hilbert Spaces, Fixed Point Theory and Applications 2013:61
3. M. O. Osilike, F. O. Isiogugu, F. U. Attah, (2013) Strong Convergence of a Modified Ishikawa Iterative Algorithm for Lipschitz Pseudocontractive Mappings, J. Appl. Math. Infomatics, 31,( 3-4), 565-575
4. Isiogugu, F. O. and Osilike, M. O. (2012) Fixed Point and Convergence Theorems for Certain Classes of Mappings, J. Nigerian Math. Soc., 31, 147-165.
5. Isiogugu, F. O., Udomene A., Osilike M. O., (2011) Approximation of Common Solutions of Equilibrium and Fixed Point Problems for Certain Class of Mappings in Hilbert Spaces, J. Nigerian Math. Soc., 30, 179-194.
6. Osilike, M. O. and Isiogugu, F. O., (2011) Weak and Strong Convergence Theorems for Nonspreading-type Mappings in Hilbert Spaces, Nonlinear Analysis 74, 1814 - 1822.
7. Osilike M.O., Isiogugu, F. O. and Nwokoro, P.U. (2008) Hybrid Iteration Method for Fixed Points of k-Strictly Pseudocontractive Mappings of Browder-Petryshyn Type, J. Nigerian Math. Soc., 27, 91-108.
8. Osilike, M. O. Isiogugu, F. O. and Nwokoro, P.U., (2007) Hybrid Iteration Method for Fixed Points of Nonexpansive Mappings in Arbitrary Banach Spaces, Fixed Point Theory and Applications, Article ID 64306, 7 pages, doi:10.1155/2007/64306.
9. Osilike, M. O. and Isiogugu, F. O., (2005) Fixed Points of Asymptotically Φ-Demicontractive Maps in Arbitrary Banach Spaces, Pan- American Mathematical Journal, 15(3) 59 – 67.
10. Isiogugu, F. O., (2016) On approximation of fixed points of multivalued pseudocontractive mappings in Hilbert spaces, Fixed Point Theory and Applications, 2016:59
DOI 10.1186/s13663-016-0548-x
11. Isiogugu, F. O., (2016) Approximation of a Common Element of the Fixed Point Sets of Multivalued Strictly Pseudocontractive-Type Mappings and the Set of Solutions of an Equilibrium Problem in Hilbert Spaces , Abstract and Applied Analysis Vol. 2016 , DOI 10.1155/2016/3094838
.
12. Felicia Obiageli Isiogugu, Paranjothi Pillay and Dharmanand Baboolal, (2016) Approximation of a common element of the set of fixed points of multi-valued type-one demicontractive-type mappings and the set of solutions of an equilibrium problem in Hilbert spaces, Journal of Nonlinear and Convex Analysis, 17(6), 1181-1197.
13. Felicia Obiageli Isiogugu, Paranjothi Pillay and Micah Okwuchukwu Osilike, (2016) On approximation of fixed points of multi-valued quasi-nonexpansive mappings, Journal of Nonlinear and Convex Analysis, 17(7), 1303-1310
14. F. U. Ogbuisi, L. O. Jolaoso, and F. O. Isiogugu (2019), A Halpern-Type Iteration Method for Bregman Nonspreading Mapping and Monotone Operators in Reflexive Banach Spaces Journal of Mathematics (2019), ID 8059135.
15. Chibueze Christian Okeke, Lateef Olakunle Jolaoso, Felicia Obiageli Isiogugu and Oluwatosin Temitope Mewomo (2019), Solving split equality equilibrium and fixed point problems in Banach spaces without prior knowledge of the operator norms, Journal of Nonlinear and Convex Analysis, 20(4) 2019.
16. Izuchukwu, C., Isiogugu, F. O. and Okeke C. C. (2019), A new viscosity-type iteration for a finite family of split variational inclusion and fixed point problems between Hilbert and Banach spaces, Izuchukwu et al. Journal of Inequalities and Applications (2019)
17. F. O. Isiogugu, P. Pillay and O. Uzoma-Oguguo, Strong Convergence of a Selection of Ishikawa-Reich-Sabach-type Algorithm, Filomat 33:6 (2019), 1505–1516
18. F. O. Isiogugu, P. Pillay and P. U. Nwokoro, On Computability and Applicability of Mann-Reich Sabach-Type Algorithms for Approximating the Solutions of Equilibrium Problems in Hilbert Spaces, Abstract and applied Analysis,(2018) ID 7218487
19. C. Izuchukwu, C. C. Okeke and F. O. Isiogugu (2018), A viscosity iterative technique for split variational inclusion and fixed point problems between a Hilbert space and a Banach space, J. Fixed Point Theory Appl. (2018) 20:157.
20. F. O. Isiogugu, P. Pillay and E. E. Chima, Approximation of the Common Solution of equilibrium Problems and Fixed Point Problems of Multi-valued Pseudocontractive-type Mappings in Hilbert Spaces, Global Journal of Pure and Applied Mathematics 13(12) (2017), 8387–8407
21. . F. O. Isiogugu, P. Pillay, C.C. Okeke and F. U. Ogbuisi, A Modified Reich-SabachIteration Scheme for Approximating a Common Element of the Solutions of Equilibrium Problems and Fixed Point Problems in Hilbert Spaces , Global Journal of Pure and Applied Mathematics 12( 6 ) (2016), 5185–5204
Current profession
Current professional activities type:Otherteaching and research at the University of Nigeria
Workshop and Conference Attended
July 20-24, 2015 Galatasaray University, Istanbul, Turkey 11th International Conference on Fixed Point Theory and Its AppliocationsMay 27-30, 2014 African University of Science and Technology, Abuja , Nigeria. May 27-30, (2014)). 33th Annual Conference of the of Nigerian Mathematical SocietyOctober 30-November 02, 2012 Stellenbosch University, Cape Town, South Africa South African Mathematical Society 2012 Annual CongressJuly 19-22, 2011 Federal University of Science and Technology, Minna 4 30th Annual Conference of the Nigerian Mathematical Society27-30th May, 2008 Univ. of Port Harcourt, River State Nig., River State, Nigeria 5. 27th Annual Conference of the Nigerian Mathematical Society12- 15 April, 2005 Olabisi Onabanjo University, Ago-Iwoye, Ogun State, Nigeria 24th Annual Conference of the Nigerian Mathematical Society,11th-23rd July, 2005 Accra Ghana 11th Edward A. Bouchet\ Abdusalam Regional College on Functional Analysis and Its Applications to Differential Equations,9th – 27th October, 2006 I. C. T. P., Miramare, Trieste-Italy School on Nonlinear Differential Equations20- 23 April, 2004 Ebonyi State University, Abakaliki, Nigeria 9. 23rd Annual Conference of the Nigerian Mathematical SocietyPresentation given
2015: On Approximation of Fixed Points of Multi-Valued Nonexpansive Mapping in Hilbert Spaces.Galatasaray University, Istanbul, TurkeyEvent: 11th International Conference on Fixed Point Theory and Its Appliocations - Fellowship with OWSD
-
Fellowship with OWSD
Fellowship with OWSD
Fellowship awarded 2009
