Results 101 to 110 of about 71,118 (212)

Lorentz-regularized interpretable VAE for multi-scale single-cell transcriptomic and epigenomic embeddings

open access: yesFrontiers in Genetics
BackgroundSingle-cell multi-omics technologies capture cellular heterogeneity at unprecedented resolution, yet dimensionality reduction methods face a fundamental local–global trade-off: approaches optimized for local neighborhood preservation distort ...
Zeyu Fu   +4 more
doaj   +1 more source

Cones Embedded in Hyperbolic Manifolds

open access: yesJournal of Differential Geometry, 2001
In was shown by \textit{D. Gabai, R. Meyerhoff} and \textit{N. Thurston} [Ann. Math. (2) 157, 335--431 (2003; Zbl 1052.57019)], that every closed orientable hyperbolic 3-manifold except Vol3 contains an embedded tube of radius at least \(0.52959\ldots\) about the shortest geodesic, and if the shortest geodesic has length at most \(1.0595\ldots\), there
openaire   +2 more sources

Cauchy Problem for a Darboux Integrable Wave Map System and Equations of Lie Type

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2013
The Cauchy problem for harmonic maps from Minkowski space with its standard flat metric to a certain non-constant curvature Lorentzian 2-metric is studied.
Peter J. Vassiliou
doaj   +1 more source

Fractal Geometry on Hyperbolic Manifolds

open access: yes, 2006
In this survey we give a report on some recent results obtained in the studies of hyperbolic manifolds by means of fractal geometry. Emphasis has been put on results derived in the quantitative and qualitative fractal analysis of long term geodesic dynamics on hyperbolic manifolds.
openaire   +2 more sources

Partially hyperbolic compact complex manifolds

open access: yesRevista Matemática Iberoamericana
We propose and investigate two types, the latter with two variants, of notions of partial hyperbolicity accounting for several classes of compact complex manifolds behaving hyperbolically in certain directions, defined by a vector subbundle of the holomorphic tangent bundle, but not necessarily in the other directions.
Kasuya, Hisashi, Popovici, Dan
openaire   +2 more sources

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