Functional Equations in Mathematical Analysis

fixed point approach (C. Park, T.M. Rassias).- 22. Selections of set-valued maps satisfying functional inclusions on square-symmetric grupoids (D. Popa).- 23. On stability of isometries in Banach spaces (V.Y. Protasov).- 24. Ulam stability of the operatorial equations (I.A. Rus).- 25. Stability of the quadratic-cubic functional equation in quasi-Banach spaces (Z. Wang, W. Zhang).- 26. mi-trigonometric functional equations and Hyers-Ulam stability problem in hypergroups (D. Zeglami, S. Kabbaj, A. Charifi, A. Roukbi).- 27. On multivariate Ostrowski type inequalities (Z Changjian, W.-S. Cheung).- 28. Ternary semigroups and ternary algebras (A. Chronowski).- 29. Popoviciu type functional equations on groups (M. Chudziak).- 30. Norm and numerical radius inequalities for two linear operators in Hillbert spaces: a survey of recent results (S.S. Dragomir).- 31. Cauchy's functional equation and nowhere continuous/everywhere dense Costas bijections in Euclidean spaces (K. Drakakis).- 32. On solutions of some generalizations of the Golab-Schinzel equation (E. Jablonska).- 33. One-parameter groups of formal power series of one indeterminate (W. Jablonski).- 34. On some problems concerning a sum type operator (H.H. Kairies).- 35. Priors on the space of unimodal probability measures (G. Kouvaras, G. Kokolakis).- 36. Generalized weighted arithmetic means (J. Matkowski).- 37. On means which are quasi-arithmetic and of the Beckenbach-Gini type (J. Matkowski).- 38. Scalar Riemann-Hillbert problem for multiply connected domains (V.V. Mityushev).- 39. Hodge theory for Riemannian solenoids (V. Muñoz, R.P. Marco).- 40. On solutions of a generalization of the Golab-Schinzel functional equation (A. Murenko).- 41. On functional equation containing an indexed family of unknown mappings (P. Nath, D.K. Singh).- 42. Two-step iterative method for nonconvex bifunction variational inequalities (M.A. Noor, K.I. Noor, E. Al-Said).- 43. On aSincov type functional equation (P. K. Sahoo).- 44. Invariance in some families of means (G. Toader, I. Costin, S. Toader).- 45. On a Hillbert-type integral inequality (B. Yang).- 46. An extension of Hardy-Hillbert's inequality (B. Yang).- 47. A relation to Hillbert's integral inequality and a basic Hillbert-type inequality (B. Yang, T.M. Rassias).