Cosmologists are increasingly entertaining a radical possibility: that the cosmos might fold back on itself so that, on the ...
In search of the shape of time Amouage introduces new perfumes to its acclaimed Essences Collection - three remarkable ...
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Neste artigo, apresenta-se a evolução das ideias sobre a quarta dimensão espacial, partindo daquelas que surgem da geometria euclidiana clássica e abordando, em seguida, as que resultam do âmbito das ...
Warning: this review contains full spoilers for the final two episodes of Crisis on Infinite Earths. Since The CW aired the final two parts of Crisis on Infinite Earths on the same night, we opted to ...
We show that if G is an arbitrary group acting isometrically on an a (possibly infinite dimensional) Riemannian manifold, then every G-invariant submanifold with locally trivial normal bundle admits a ...