O(p + 1) × O(p + 1)-invariant hypersurfaces with zero scalar curvature in euclidean space

Jocelino Sato.

Geodesics without conjugate points and curvatures at infinity

Sérgio Mendonça , Detang Zhou.

Surfaces in E3 invariant under a one parameter group of isometries of E3

Ioannis M. Roussos.

Dirac’s æther in curved spacetime

Alexandre L. Oliveira , Antonio F. F. Teixeira.

The current status of the NewWorld Monkey Phylogeny

Horacio Schneider.

Strategies by which some pathogenic trichomonads integrate diverse signals in the Decision-making Process

Luciene López Bottentuit , Mariane Braga Bandeira de Melo , Jaime López Ortega , Rossana Arroyo , Fernando Filho Costa E Silva.

A possible chelonian egg from the Brazilian late cretaceous

Sergio Alex Azevedo , Valéria Gallo , Jorge Ferigolo.

Geometry and kinematics of experimental antiformal stacks

Caroline Janette Gomes Souza , Juliano Efigênio Ferreira.

The Sm-Nd isotopic method in the geochronology laboratory of the University of Brasília

S.M.C.L. Gioia , M. M. Pimentel.

The Eolianites between Sanga do Cabral and Botucatu formations in Rio Grande do Sul State, Brazil

Carlos H. Nowatzki , Henrique P. Kern.

The quaternary geological history of the Santa Catarina Southeastern Region (Brazil)

Francisco Caruso , Kenitiro Suguio , Toshio Nakamura.

Patterns of sediment dispersion coastwise the State of Bahia – Brazil

Abílio Carlos Bittencourt da Silva Pinto , José Maria Dominguez Landim , Luois Martin , Iracema Silva Reimão.

Summary of communications