Zobrazeno 1 - 4
of 4
pro vyhledávání: '"geometria diferencial não euclidiana"'
Autor:
Irene I. Onnis, Paola Piu
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
In this paper, we define and, then, we characterize constant angle spacelike and timelike surfaces in the three-dimensional Heisenberg group, equipped with a 1-parameter family of Lorentzian metrics. In particular, we give an explicit local parametri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c58ff8a472aca9cc1377d8a0bf4cf689
https://doi.org/10.1007/s00013-017-1104-6
https://doi.org/10.1007/s00013-017-1104-6
Publikováno v:
Universitas Scientiarum, Volume: 23, Issue: 2, Pages: 319-331, Published: AUG 2018
The Cartesian-Newtonian paradigm of mechanics establishes that, within an inertial frame, a body either remains at rest or moves uniformly on a line, unless a force acts externally upon it. This crucial assertion breaks down when the classical concep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______618::6e301f4458847f68899885b84dd72a44
http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-74832018000200319&lng=en&tlng=en
http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-74832018000200319&lng=en&tlng=en
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
We prove that complete submanifolds, on which the Omori-Yau weak maximum principle for the Hessian holds, with low codimension and bounded by cylinders of small radius must have points rich in large positive extrinsic curvature. The lower the codimen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76e40028b155513eee4f4568bb3da71a
http://arxiv.org/abs/1507.02523
http://arxiv.org/abs/1507.02523
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