Branched coverings and algebraic functions

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August undefined, 2024

WebApr 12, 2024 · $\begingroup$ This is not so much a matter of people trying to hide information, it's that "branched covering" is the more geometrically friendly phrase … Web201 pages, Unknown Binding. First published January 1, 1987. Book details & editions

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WebJan 2, 2024 · In this article we prove that a semialgebraic map $\pi :M\rightarrow N$ is a branched covering if and only if its associated spectral map is a branched covering. In addition, such... mme rearranging formulae answers

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WebA function of this kind is a covering of the sphere which is branched over three points (or less). Thus, the study of compact Riemann surfaces/smooth plane algebraic curves over the algebraic numbers $\overline{\mathbb{Q}}$ is reduced to the study of coverings of the sphere branched over three points, which we can assume to be the points $0, 1 ... WebOn Representability of Algebraic Functions by Radicals. arXiv:1903.08632 [math.AG] ... Burda) Signatures of Branched Coverings and Solvability in Quadratures Moscow Mathematical Journal.V. 14, No. 2, 225-237. 2014. ... Branched covers of S2 and braid groups, Journal of Knot Theory and its Ramifications, V. 5, N. 1, 55-75, 1996. ... WebWe give a group-theoretic description of the parity of a pull-back of a theta characteristic under a branched covering. It involves lifting monodromy of the covering to the semidirect product of the symmetric and Clifford groups, known as the Sergeev group. As an application, we enumerate torus coverings with respect to their ramification and parity … mme ray-mmd

Branched Coverings and Algebraic Functions (Pitman …

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Web15 hours ago · Abstract. We are interested in studying the variation of the Hitchin fibration in moduli spaces of parabolic Higgs bundles, under the action of a ramified covering. Given a degree two map π: Y → X between compact Riemann surfaces, we may pull back a Higgs bundle from X to Y, the lifted Higgs bundle tends to have many apparent singularities ... WebMar 6, 2024 · Branched coverings are easily constructed as Kummer extensions, i.e. as algebraic extension of the function field. The hyperelliptic curves are prototypic … mme rearranging equationsWebApr 27, 2001 · The relation α provides an example of a branched covering ( [7]) via the map π 1 : α → T with branch sets S = {(1, 1), (−1, −1)} and S 0 = {1, −1} , however this … mmerce sia

"WebMar 6, 2024 · Branched coverings are easily constructed as Kummer extensions, i.e. as algebraic extension of the function field. The hyperelliptic curves are prototypic examples. Unramified covering. An unramified covering then is the occurrence of an empty ramification locus. Examples Elliptic curve. Morphisms of curves provide many examples … " - Branched coverings and algebraic functions

Branched coverings and algebraic functions

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WebMar 9, 2024 · We also show that each arithmetically equalizing multicurve gives rise to a self-equivalence. In Section 6 we study the example of $\operatorname {Per}^{\prime}_4$ deformation space.. A celebrated theorem of W. Thurston provides a topological criterion for when a postcritically finite branched covering is equivalent to a rational map. WebJan 24, 2024 · We consider normal (possibly) branched, finite-sheeted coverings pi:X--> X' between hyperelliptic real algebraic curves. We are interested in the topology of such coverings and also in describing ...

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WebMore precisely, one considers on the cyclic branched covering X n(C) the par-tition function Z n(A), which is the partition function of the CFT on X n(C), com-puted as a path integral, with boundary conditions at the cut branches in Athat specify the n-sheeted structure of the branched covering X n(C). One then shows that the comparison … WebBranched Coverings and Algebraic Functions. Makoto Nanba. Longman Scientific & Technical, 1987 - Mathematics - 201 pages. 0 Reviews. Reviews aren't verified, but Google checks for and removes fake content when it's identified. From inside the book . What people are saying - Write a review.

WebBranched Coverings and Algebraic Functions Makoto Nanba Snippet view - 1987. Common terms and phrases. abelian covering algebraic assume branched covering … WebPDF File: Branched Coverings And Algebraic Functions - PDF-BCAAF-11-8 2/2 Branched Coverings And Algebraic Functions This type of Branched Coverings And Algebraic Functions can be a very detailed document. You will mustinclude too much info online in this document to speak what you really are trying to achieve in yourreader. …

WebFinally, in ? 6, we give some examples of branched coverings of P2 having small deformations which are not branched coverings of p2. Essential use is made of Theorem 1. 1 in which we show that a branched covering of a projective algebraic manifold is itself projective algebraic. We refer to the papers of Kodaira and Spencer (in particular [14 ... Webcovering spaces and illustrate its usefulness to the study of these group actions by generalizing this development to the theory of branched coverings. This theory lets us …

WebIn mathematics, the Riemann–Hurwitz formula, named after Bernhard Riemann and Adolf Hurwitz, describes the relationship of the Euler characteristics of two surfaces when one is a ramified covering of the other. It therefore connects ramification with algebraic topology, in this case.It is a prototype result for many others, and is often applied in the theory of …

http://matwbn.icm.edu.pl/ksiazki/fm/fm158/fm15825.pdf mme ray 使い方WebAn algebraic function of one complex variable has a very simple invariant the branching orders at all its branching points. The monodromy around a branch- ... We say that a … mmer headWebJul 5, 2012 · In this paper we deal with branched coverings over the complement to finitely many exceptional points on the Riemann sphere having the property that the local … mmerevise maths past papers