Alexandru Kristály, Location of Nash equilibria: a Riemannian geometrical approach, January 2009. Mihai Mihăilescu and Vicenţiu Rădulescu, Spectrum consisting in a continuous family plus an isolated point for a Dirichlet type problem, January 2009. Alexandru Kristály and Ágoston Róth, From metric properties to a rigidity conjecture on Finsler manifolds via a geodesic detecting algorithm, February 2009 (see also http://sites.google.com/site/agostonroth/testing-busemann-type-inequalities-on-finsler-manifolds). O.A. Boikanyo and G. Moroşanu, Modified Rockafellar's algorithms, April 2009. Thomas Baier and Dénes Petz, Complementarity and state estimation, June 2009. Mihai Mihăilescu and Gheorghe Moroşanu, Eigenvalues of the Laplace operator with nonlinear boundary conditions, July 2009. O.A. Boikanyo and G. Moroşanu, A proximal point algorithm converging strongly for general errors, July 2009. Marian Bocea and Mihai Mihăilescu, Γ-convergence of power-law functionals with variable exponents, August 2009. Mihai Mihăilescu and Denisa Stancu-Dumitru, Anisotropic quasilinear elliptic equations with variable exponent, August 2009. O.A. Boikanyo and G. Moroşanu, New results on the modified proximal point algorithm, November 2009. Tihomir Gyulov and Gheorghe Moroşanu, On a class of boundary value problems involving the p-biharmonic operator, November 2009. Alexandru Kristály, Nash-Stampacchia equilibrium points on manifolds, December 2009. Note: For previous preprints please visit Archives 2006-2008 and Archives 2003-2005