We hereby certify that, Alejandra Fabiola Huitrado Mora, Universidad Nacional Autónoma de México Unidad Morelia, participated in the II Latin American School of Algebraic Geometry and Applications (II ELGA) - Thematic Program on Algebraic Geometry, held at Hotel La Plage, Cabo Frio, Rio de Janeiro, from June 1 to 12, 2015 and presented the following work: “Fibrations on general type surfaces”. Rio de Janeiro, June 12, 2015. Carolina Araujo Organizing Committee We hereby certify that, Fábio Xavier Penna, Universidade Federal do Estado do Rio de Janeiro, participated in the II Latin American School of Algebraic Geometry and Applications (II ELGA) - Thematic Program on Algebraic Geometry, held at Hotel La Plage, Cabo Frio, Rio de Janeiro, from June 1 to 12, 2015 and presented the following work: “Irreducible components of the space of holomorphic foliations in CP^n”. Rio de Janeiro, June 12, 2015. Carolina Araujo Organizing Committee We hereby certify that, João Hélder Olmedo Rodrigues, Universidade Federal Fluminense, participated in the II Latin American School of Algebraic Geometry and Applications (II ELGA) - Thematic Program on Algebraic Geometry, held at Hotel La Plage, Cabo Frio, Rio de Janeiro, from June 1 to 12, 2015 and presented the following work: “On the Milnor number in positive characteristic”. Rio de Janeiro, June 12, 2015. Carolina Araujo Organizing Committee We hereby certify that, Jose Gabriel Acevedo Habeych, Universidad de Los Andes-Colombia, participated in the II Latin American School of Algebraic Geometry and Applications (II ELGA) - Thematic Program on Algebraic Geometry, held at Hotel La Plage, Cabo Frio, Rio de Janeiro, from June 1 to 12, 2015 and presented the following work: “Nonnegative Reflection-Invariant Polynomials”. Rio de Janeiro, June 12, 2015. Carolina Araujo Organizing Committee We hereby certify that, Juan Bosco Frías Medina, Universida Michoacana - Instituto de Fisica y Matemáticas, participated in the II Latin American School of Algebraic Geometry and Applications (II ELGA) - Thematic Program on Algebraic Geometry, held at Hotel La Plage, Cabo Frio, Rio de Janeiro, from June 1 to 12, 2015 and presented the following work: “The Cox rings of smooth projective rational surfaces”. Rio de Janeiro, June 12, 2015. Carolina Araujo Organizing Committee We hereby certify that, Margarita Castañeda Salazar, Universidad Nacional Autónoma de México Unidad Morelia, participated in the II Latin American School of Algebraic Geometry and Applications (II ELGA) - Thematic Program on Algebraic Geometry, held at Hotel La Plage, Cabo Frio, Rio de Janeiro, from June 1 to 12, 2015 and presented the following work: “Fibrations on general type surfaces”. Rio de Janeiro, June 12, 2015. Carolina Araujo Organizing Committee We hereby certify that, Mauro Fernando Hernandez Iglesias, Universidade Estadual de Maringá, participated in the II Latin American School of Algebraic Geometry and Applications (II ELGA) - Thematic Program on Algebraic Geometry, held at Hotel La Plage, Cabo Frio, Rio de Janeiro, from June 1 to 12, 2015 and presented the following work: “Non-degenerate Polar Curves for Plane Branches”. Rio de Janeiro, June 12, 2015. Carolina Araujo Organizing Committee