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The ICTP Prize in honour of Sigvard Eklund (Sweden), Director General Emeritus of the IAEA (International Atomic Energy Agency, Vienna, Austria), in the field of Mathematics, was awarded to Chike Obi, University of Lagos, Nigeria, for significant contributions in the study of nonlinear ordinary differential equations with several parameters for which he established numerous results on the existence, number and some analytical expressions of harmonic, subharmonic or uniformly almost periodic solutions.
