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We derive the most general flux-induced superpotential for N=1 M-theory compactifications on seven-dimensional manifolds with SU(3) structure. Imposing the appropriate boundary conditions, this result applies for heterotic M-theory. It is…

High Energy Physics - Theory · Physics 2008-11-26 Lilia Anguelova , Konstantinos Zoubos

We introduce a new family of Hamiltonians with a deformed Kepler- Coulomb potential dependent on an indexing parameter k. We show that this family is superintegrable for all rational k and compute the classical trajectories and quantum wave…

Mathematical Physics · Physics 2015-05-18 S. Post , P. Winternitz

We use sup-convolution to find upper approximations of a bounded $m$-subharmonic function on a compact K\"ahler manifold with nonnegative holomorphic bisectional curvature. As an application, we show the H\"older continuity of solutions to…

Analysis of PDEs · Mathematics 2022-09-01 Jingrui Cheng , Yulun Xu

We compute a quite explicit Koppelman formula for $dd^c$ on projective space, and obtain Green currents for positive closed currents.

Complex Variables · Mathematics 2010-03-16 Mats Andersson

Harvey and Lawson introduced the Kaehler rank and computed it in connection to the cone of positive exact currents of bidimension (1,1) for many classes of compact complex surfaces. In this paper we extend these computations to the only…

Complex Variables · Mathematics 2008-12-17 Matei Toma

In this paper boundary regularity for p-harmonic functions is studied with respect to the Mazurkiewicz boundary and other compactifications. In particular, the Kellogg property (which says that the set of irregular boundary points has…

Analysis of PDEs · Mathematics 2020-06-05 Anders Björn

This is a survey of results, both classical and recent, on behaviour of plurisubharmonic functions near their $-\infty$-points, together with the related topics for positive closed currents.

Complex Variables · Mathematics 2007-05-23 Alexander Rashkovskii

For a Kahler manifold X, we study a space of test functions W* which is a complex version of H1. We prove for W* the classical results of the theory of Dirichlet spaces: the functions in W* are defined up to a pluripolar set and the…

Complex Variables · Mathematics 2019-12-18 Gabriel Vigny

We use drifted Brownian motion in warped product model spaces as comparison constructions to show $p$-hyperbolicity of a large class of submanifolds for $p\ge 2$. The condition for $p$-hyperbolicity is expressed in terms of upper support…

Differential Geometry · Mathematics 2007-05-23 Ilkka Holopainen , Steen Markvorsen , Vicente Palmer

Given a compact K\"ahler manifold $X$, a quasiplurisubharmonic function is called a Green function with pole at $p\in X$ if its Monge-Amp\`ere measure is supported at $p$. We study in this paper the existence and properties of such…

Complex Variables · Mathematics 2009-07-28 Dan Coman , Vincent Guedj

We show that a holomorphic automorphism on a projective hyperk\"ahler manifold that has positive topological entropy and has volume measure as the measure of maximal entropy, is necessarily a Kummer example, partially extending the…

Dynamical Systems · Mathematics 2024-02-02 Seung uk Jang

We show that degenerate complex Monge-Ampere equations in a big cohomology class of a compact Kaehler manifold can be solved using a variational method independent of Yau's theorem. Our formulation yields in particular a natural…

Complex Variables · Mathematics 2009-07-28 R. J. Berman , S. Boucksom , V. Guedj , A. Zeriahi

For compact K\"ahlerian manifolds, the holomorphic pseudosymmetry reduces to the local symmetry if additionally the scalar curvature is constant and the structure function is non-negative. Similarly, the holomorphic Ricci-pseudosymmetry…

Differential Geometry · Mathematics 2010-11-18 Zbigniew Olszak

In this paper we consider expansive homeomorphisms of compact spaces with a hyperbolic metric presenting a self-similar behavior on stable and unstable sets. Several application are given related to Hausdorff dimension, entropy,…

Dynamical Systems · Mathematics 2018-01-29 Alfonso Artigue

We find a canonical decomposition of a geodesic current on a surface of finite type arising from a topological decomposition of the surface along special geodesics. We show that each component either is associated to a measured lamination…

Geometric Topology · Mathematics 2017-10-20 Marc Burger , Alessandra Iozzi , Anne Parreau , Maria Beatrice Pozzetti

Let f be a non-invertible holomorphic endomorphism of a projective space and f^n its iterate of order n. We prove that the pull-back by f^n of a generic (in the Zariski sense) hypersurface, properly normalized, converge to the Green current…

Dynamical Systems · Mathematics 2008-01-09 Tien-Cuong Dinh , Nessim Sibony

In this work, we introduce the notion of entropy at infinity, and define a wide class of noncompact manifolds with negative curvature, those which admit a critical gap between entropy at infinity and topological entropy. We call them…

Dynamical Systems · Mathematics 2018-02-15 Barbara Schapira , Samuel Tapie

In a complete metric space equipped with a doubling measure supporting a $p$-Poincar\'e inequality, we prove sharp growth and integrability results for $p$-harmonic Green functions and their minimal $p$-weak upper gradients. We show that…

Analysis of PDEs · Mathematics 2023-10-05 Anders Björn , Jana Björn , Juha Lehrbäck

We adapt the theory of currents in metric spaces, as developed by the first-mentioned author in collaboration with B. Kirchheim, to currents with coefficients in Z_p. Building on S. Wenger's work in the orientable case, we obtain…

Differential Geometry · Mathematics 2010-04-13 Luigi Ambrosio , Mikhail G. Katz

A rigid current on a compact complex manifold is a closed positive current whose cohomology class contains only one closed positive current. Rigid currents occur in complex dynamics, algebraic and differential geometry. The goals of the…

Algebraic Geometry · Mathematics 2024-02-09 Vladimir Lazić , Zhixin Xie