Blowing up (Algebraic geometry) 2 Differential equations, Parabolic 2 Eigenvalues 2 Laplacian operator 2 Advertising -- Economic aspects -- Mathematical models 1 Collective bargaining -- Argentina 1 Consolidation and merger of corporations -- Economic aspects -- Mathematical models 1 Diferencias salariales -- Argentina 1 Differential equations 1 Differential equations -- Study and teaching (Higher) -- Argentina 1 Differential equations, Partial -- Asymptotic theory 1 Ecuaciones diferenciales -- Enseñanza universitaria -- Argentina 1 Food industry and trade -- Capital investments -- Argentina -- Mathematical models 1 Labor unions -- Argentina 1 Negociaciones colectivas de trabajo -- Argentina 1 Nonlinear boundary value problems 1 Product differentiation -- Effect of advertising on -- Mathematical models 1 Sindicatos -- Argentina 1 Wage differentials -- Argentina 1