Results 11 to 20 of about 29,252 (258)

Inflexible CR submanifolds [PDF]

open access: yesMathematische Zeitschrift, 2016
to appear in Math ...
Brinkschulte, Judith, Denson Hill, C.
openaire   +2 more sources

Geometric inequalities of PR-warped product submanifold in para-Kenmotsu manifold

open access: yesAIMS Mathematics, 2022
The main purpose of this paper is to study the properties of PR-semi-invariant submanifold of para-Kenmotsu manifold. We obtain the integrability conditions for the invariant distribution and anti-invariant distribution.
Fatemah Mofarreh   +3 more
doaj   +1 more source

Density estimation on an unknown submanifold [PDF]

open access: yes, 2019
We investigate density estimation from a $n$-sample in the Euclidean space $\mathbb R^D$, when the data is supported by an unknown submanifold $M$ of possibly unknown dimension $d < D$ under a reach condition.
Cl'ement Berenfeld, M. Hoffmann
semanticscholar   +1 more source

Submanifold geometry in symmetric spaces of noncompact type [PDF]

open access: yesSão Paulo Journal of Mathematical Sciences, 2019
In this survey article we provide an introduction to submanifold geometry in symmetric spaces of noncompact type. We focus on the construction of examples and the classification problems of homogeneous and isoparametric hypersurfaces, polar and ...
J. Díaz-Ramos   +2 more
semanticscholar   +1 more source

Minimal submanifolds

open access: yesBulletin of the London Mathematical Society, 2006
Comment: Revised for referee's ...
Colding, Tobias H.   +1 more
openaire   +2 more sources

On Totally Contact Umbilical Contact CR-Lightlike Submanifolds Of Indefinite Sasakian Manifolds

open access: yesDemonstratio Mathematica, 2014
After brief introduction, we prove that a totally contact umbilical CR- lightlike submanifold is totally contact geodesic. We obtain a necessary and sufficient condition for a CR-lightlike submanifold to be an anti-invariant submanifold.
Gogna Manish   +2 more
doaj   +1 more source

Value of first eigenvalue of some minimal hypersurfaces embedded in the unit sphere

open access: yesAIMS Mathematics, 2023
We prove that the first nonzero eigenvalue of the Laplace-Beltrami operator of equator-like minimal submanifold embedded in the sphere $ S^{n+1} $ is equal to $ n $.
Ibrahim Aldayel
doaj   +1 more source

SUBMANIFOLD SPARSE CONVOLUTIONAL NETWORKS

open access: yesSubmissions to the 2019 Kidney Tumor Segmentation Challenge: KiTS19, 2019
We present method for effective kidney and kidney’s tumor segmentation based on the 3-dimensional model reconstructed from the computed tomography (CT) input images. Analysis of the 3D model is done using submanifold sparse convolutional network (SSCN).
Dmitry Retinskiy
semanticscholar   +1 more source

Skew semi-invariant submanifolds of generalized quasi-Sasakian manifolds

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2018
In the present paper,  we study a new class of submanifolds of a generalized Quasi-Sasakian manifold, called skew semi-invariant submanifold. We obtain integrability conditions of the distributions on a skew semi-invariant submanifold and also find the ...
M.D. Siddiqi, A. Haseeb, M. Ahmad
doaj   +1 more source

SUBMANIFOLD SPARSE CONVOLUTIONAL NETWORKS FOR SEMANTIC SEGMENTATION OF LARGE-SCALE ALS POINT CLOUDS

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
. Semantic segmentation of point clouds is one of the main steps in automated processing of data from Airborne Laser Scanning (ALS). Established methods usually require expensive calculation of handcrafted, point-wise features. In contrast, Convolutional
S. Schmohl, U. Sörgel
semanticscholar   +1 more source

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