Soto, Luis Alberto López, Omar Pedraza, Victoria E. Hernández Hernández, Miguel Sabido, Carlos A. In GZ1 a large new family of cohomogeneity one manifolds with non-negative curvature was constructed, giving rise to non-negatively curved metrics on exotic spheres. We especially acknowledge the support and the kind hospitality of our host, the Universidad Autónoma del Estado de Hidalgo. induces, by O’Neill’s formula, non-negative curvature on any homogeneous space GHor more generally on any biquotient KnGH. The organizing committee would like to acknowledge the financial support of the Mexican National Science and Technology Council (CONACyT), the Mexican Physical Society (SMF), as well as several Institutions including: Centro de Investigación y Estudios Avanzados (CINVESTAV), Universidad Autónoma Metropolitana Iztapalapa (UAM-I), Universidad de Guanajuato (UG), Universidad Nacional Autónoma de México (UNAM).
We acknowledge the professionalism of our reviewers, who helped us to keep high quality standards in all manuscripts. We are indebted to the contributors of these proceedings, as well as to the other participants and organizers, all for making the event a complete success. The contributions in this volume have been peer-reviewed, and they represent most of the courses, plenary talks and contributed talks presented during our Workshop.
More specialized talks were also presented in parallel sessions, with ample participation of researchers, and graduate and undergraduate students most of the presentations have been included in these proceedings. Polymatroids are combinatorial objects that generalize matroids, subspace arrangements, and hypergraphs.In the case of subspace arrangements, De Concini and Procesi constructed a wonderful model and studied the Leray model associated with it.
Recurrent topics in the Mexican Workshop are supergravity, branes, black holes, the early Universe, observational cosmology, quantum gravity and cosmology and numerical relativity.įollowing our previous Workshops, distinguished researchers in the field, working in Mexico, were invited to give courses, whereas young researchers were invited for plenary lectures.
#NON CURVED SPACE PROFESSIONAL#
Each Mexican Workshop has been devoted to subjects of broad interest, so that students, in particular, can have access to specialized courses and talks that allow them to raise up their qualifications as professional researchers.
#NON CURVED SPACE SERIES#
The Workshop is a bi-annual series of conferences sponsored by the DGFM-SMF that started in 1993 with the purposes of discussing and exchanging the research and experience of the gravitational and mathematical physics communities in Mexico. The collection of papers in this volume was presented during the X Workshop of the Gravitation and Mathematical Physics Division of the Mexican Physical Society (DGFM-SMF), which was held in Pachuca, Hidalgo, México, December 2-6, 2013.
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