Essays in Mathematics and its Applications

Themistocles M. Rassias is a Professor of Mathematics at National Technical University of Athens. He holds a PhD in Mathematics from the University of California, Berkeley, and has published over fifty books and nearly three hundred journal articles.Panos M. Pardalos serves as Distinguished Professor of Industrial and Systems Engineering at the University of Florida, as well as the Director of the Center for Applied Optimization. He holds a PhD in Computer and Information Sciences from the University of Minnesota, Minneapolis, and has published nearly twenty books and over four hundred papers.

• A new way to compute the Rodrigues coefficients of functions of the Lie groups of matrices (D. Andrica, O.L. Chender).- Quasimodes in integrable systems and semi-classical limit (M. Baldo, F. Raciti).- Manifolds which are complex and symplectic but not Kahler (G. Bazzoni, V. Munoz).- Solvability of a non clamped frictional contact problem with adhesion (O. Chau, D. Goeleven, R. Oujja).- The Kolmogorov-Arnold-Moser (KAM) and Nekhoroshev Theorems with Arbitrary Time Dependence (A. Fortunati, S. Wiggins).- Iterative Methods for the Elastography Inverse Problem of Locating Tumors (B. Jadamba, A.A. Khan, F. Raciti, C. Tammer, B. Winkler).- Transversality theory with applications to differential equations (D. Motreanu, V.V. Motreanu).- Lattice-like subsets of Euclidean Jordan algebras (A.B. Nemeth, S.Z. Nemeth).- Simultaneous Diophantine approximation: Searching for analogues of Hurwitz’ theorem (W.G. Nowak).- On the fixed points of a Hamiltonian diffeomorphism in presence of fundamental group (K. Ono, A. Pajitnov).- Some Generalizations of Fixed Point Theorems on S-Metric Spaces (N.Y. Ozgur, N.A. Tas).- Functional Inequalities in Banach Spaces and Fuzzy Banach Spaces (C. Park, J.R. Lee, T.M. Rassias).- The Maslov Index in PDEs Geometry (A. Prastaro).- On the infimum of certain functionals (B. Ricceri).- The Algebra of Gyrogroups: Cayley Theorem, Lagrange Theorem, and Isomorphism Theorems (T. Suksumran).- Mild continuity properties of relations and relators in relator spaces (A. Szaz, A. Zakaria).- Contraction Maps in Pseudometric Structures (M. Turinici).- Novel Tools to Determine Hyperbolic Triangle Centers (A.A. Ungar).