نتایج جستجو برای: branched covers
تعداد نتایج: 54235 فیلتر نتایج به سال:
Izmestiev and Joswig described how to obtain a simplicial covering space (the partial unfolding) of a given simplicial complex, thus obtaining a simplicial branched cover [Adv. Geom. 3(2):191-255, 2003]. We present a large class of branched covers which can be constructed via the partial unfolding. In particular, for d ≤ 4 every closed oriented PL d-manifold is the partial unfolding of some pol...
Abstract Let be a regular local ring and non‐zero element of . A theorem due to Knörrer states that there are finitely many isomorphism classes maximal Cohen–Macaulay (CM) ‐modules if only the same is true for double branched cover , is, hypersurface which defined by in We consider an analogue this statement case instead In particular, we show hypersurface, refer as ‐fold has finite CM represen...
By using double branched covers, we prove that there is a 1-1 correspondence between the set of knotoids in 2-sphere, up to orientation reversion and rotation, knots with strong inversion, conjugacy. This allows us study through tools invariants coming from knot theory. In particular, concepts geometrisation generalise knotoids, allowing characterise invertibility other properties hyperbolic ca...
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