Research Interest

Mathematics

Analysis                        convexity, Choquet theory, nonlinear operators

Dynamical Systems     positive discrete dynamical systems, concave Perron-Frobenius theory 

                                      difference equations

Algebra                         ordered groups, factorization in Krull rings, Diophantine monoids

Economics

Production                   multi-sectoral models, technical change, joint production

Social choice               impossibility theorems, decision making, rational behavior

Nonlinear systems      price setting, growth models, opinion dynamics