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We construct new explicit toric scalar-flat K{\"a}hler ALE metrics on weighted projective spaces of non-compact type, which we use to obtain smooth extremal K{\"a}hler metrics on appropriate resolutions of orbifolds. In particular, we…

Differential Geometry · Mathematics 2016-03-25 Vestislav Apostolov , Yann Rollin

In this paper, we construct tools from the holomorphic twistor spaces that we introduced in \cite{Gindi1} to derive results about the complex geometries of their base manifolds. In particular, we develop a new approach to studying…

Differential Geometry · Mathematics 2018-11-22 Steven Gindi

In this work, we will verify some comparison results on Kahler manifolds. They are complex Hessian comparison for the distance function from a closed complex submanifold of a Kahler manifold with holomorphic bisectional curvature bounded…

Differential Geometry · Mathematics 2010-10-12 Luen-Fai Tam , Chengjie Yu

We construct phenomenologically viable supersymmetric models where CP is an approximate symmetry. The full high energy theory has exact CP and horizontal symmetries that are spontaneously broken with a naturally induced hierarchy of scales,…

High Energy Physics - Phenomenology · Physics 2009-10-31 Galit Eyal , Yosef Nir

We consider polyhedral approximations of strictly convex compacta in finite dimensional Euclidean spaces (such compacta are also uniformly convex). We obtain the best possible estimates for errors of considered approximations in the…

Functional Analysis · Mathematics 2010-10-13 Maxim V. Balashov , Dušan Repovš

In these notes, after an introduction to toric Kahler geometry, we present Calabi's family of U(n)-invariant extremal Kahler metrics in symplectic action-angle coordinates and show that it actually contains, as particular cases, many…

Differential Geometry · Mathematics 2009-12-03 Miguel Abreu

We study the global property of local holomorphic isometric mappings from a class of Kahler manifolds into a product of projective algebraic manifolds with induced Fubini-Study metrics, where isometric factors are allowed to be negative.

Complex Variables · Mathematics 2013-05-16 Xiaojun Huang , Yuan Yuan

This article discusses some basic aspects of cross section measurements at the future Large Hadron Collider (LHC) at CERN.

High Energy Physics - Experiment · Physics 2007-05-23 Andre Georg Holzner

With some mild assumptions on metric and topology of the central fiber, we prove that the limit of Kahler manifolds under holomorphic deformation is still Kahler.

Algebraic Geometry · Mathematics 2026-05-11 Mu-Lin Li , Wanmin Liu

Our recent work about fully non-linear elliptic equations on compact manifolds with a flat hyperk\"ahler metric is hereby extended to the parabolic setting. This approach will help us to study some problems arising from hyperhermitian…

Differential Geometry · Mathematics 2023-06-02 Giovanni Gentili , Jiaogen Zhang

Let (M,I) be a compact Kaehler manifold admitting a hypercomplex structure. We show that (M, I) admits a natural HKT-metric. This is used to construct a holomorphic symplectic form on (M,I).

Algebraic Geometry · Mathematics 2007-05-23 Misha Verbitsky

C-projective structures are analogues of projective structures in the complex setting. The maximal dimension of the Lie algebra of c-projective symmetries of a complex connection on an almost complex manifold of C-dimension $n>1$ is…

Differential Geometry · Mathematics 2017-04-26 Boris Kruglikov , Vladimir Matveev , Dennis The

In the Minimal Supersymmetric Standard Model, physical phases of complex parameters lead to CP violation. We show how triple products of particle momenta or spins can be used to construct asymmetries, that allow us to probe these CP phases.…

High Energy Physics - Phenomenology · Physics 2009-07-22 Olaf Kittel

Non-degenerate real hypersurfaces of almost Hermite-like manifolds are examined. Tangential real hypersurfaces are introduced and the main identities of such hypersurfaces are obtained. With the help of these identities, contact metric…

Differential Geometry · Mathematics 2023-07-04 Esra Erkan , mehmet Gulbahar

In this note we begin a systematic study of compact conformal manifolds of SCFTs in four dimensions (our notion of compactness is with respect to the topology induced by the Zamolodchikov metric). Supersymmetry guarantees that such…

High Energy Physics - Theory · Physics 2015-06-23 Matthew Buican , Takahiro Nishinaka

We study the pseudoduality transformations in two dimensional N = (2, 2) sigma models on K\"ahler manifolds. We show that structures on the target space can be transformed into the pseudodual manifolds by means of (anti)holomorphic…

High Energy Physics - Theory · Physics 2013-06-20 Mustafa Sarisaman

We propose the Hamiltonian model of ${\cal N}=8$ supersymmetric mechanics on $n-$dimensional special K\"ahler manifolds (of the rigid type).

High Energy Physics - Theory · Physics 2009-11-10 Stefano Bellucci , Sergey Krivonos , Armen Nersessian

Supersymmetric models with an approximate CP, $10^{-3} \lsim \phi_{CP} \ll 1$, are a viable framework for the description of nature. The full high energy theory has exact CP and horizontal symmetries that are spontaneously broken with a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Galit Eyal

The main purpose of the present paper is to define and study the notion of quasi bi-slant submanifolds of almost contact metric manifolds. We mainly concerned with quasi bi-slant submanifolds of cosymplectic manifolds as a generalization of…

General Mathematics · Mathematics 2020-03-10 Mehmet Akif Akyol , Selahattin Beyendi

We give a necessary and sufficient condition for the existence of nondegenerate holomorphic mappings between pseudoellipsoidal real hypersurfaces, and provide an explicit parametrization for the collection of all such mappings (in the…

Complex Variables · Mathematics 2016-12-30 Peter Ebenfelt , Duong Ngoc Son