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- Constructor UniversityDE1 paper
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5 papers
Lie derivatives along antisymmetric tensors, and the M-theory superalgebra
Leonardo Castellani
Free differential algebras (FDA's) provide an algebraic setting for field theories with antisymmetric tensors. The "presentation" of FDA's generalizes the Cartan-Maurer equations o…
Non-Critical Covariant Superstrings
P. A. Grassi, Y. Oz
We construct a covariant description of non-critical superstrings in even dimensions. We construct explicitly supersymmetric hybrid type variables in a linear dilaton background, a…
Pseudospheres in geometry and physics: from Beltrami to De Sitter and beyond
B. Bertotti, R. Catenacci, C. Dappiaggi
We review the extraordinary fertility and proliferation in mathematics and physics of the concept of a surface with constant and negative Gaussian curvature. In his outstanding 186…
A Gravity Theory on Noncommutative Spaces
Paolo Aschieri, Christian Blohmann, Marija Dimitrijevic +3
A deformation of the algebra of diffeomorphisms is constructed for canonically deformed spaces with constant deformation parameter theta. The algebraic relations remain the same, w…
Isometric embeddings of families of special Lagrangian submanifolds
Diego Matessi
We prove that certain Riemannian manifolds can be isometrically embedded inside Calabi-Yau manifolds. For example we prove that given any real-analytic one parameter family of Riem…