• Thumbnail for Ramification (mathematics)
    In geometry, ramification is 'branching out', in the way that the square root function, for complex numbers, can be seen to have two branches differing...
    8 KB (1,116 words) - 01:50, 18 April 2025
  • Look up ramification in Wiktionary, the free dictionary. Ramification may refer to: Ramification (mathematics), a geometric term used for 'branching out'...
    765 bytes (148 words) - 00:55, 18 July 2016
  • from earlier resolutions of ramification as problematic for their own algorithms. Non-monotonic logic Ramification (mathematics) Nikos Papadakis "Actions...
    2 KB (162 words) - 22:05, 8 May 2023
  • information on the ramification phenomena of the extension. In mathematics, the ramification theory of valuations studies the set of extensions of a valuation...
    14 KB (2,553 words) - 23:20, 6 July 2025
  • Thumbnail for Mathematics education
    In contemporary education, mathematics education—known in Europe as the didactics or pedagogy of mathematics—is the practice of teaching, learning, and...
    60 KB (6,339 words) - 05:04, 13 July 2025
  • Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer...
    195 KB (20,033 words) - 19:38, 24 July 2025
  • List of algebraic number theory topics (category Mathematics-related lists)
    Dirichlet's unit theorem Discriminant of an algebraic number field Ramification (mathematics) Root of unity Gaussian period Fermat's Last Theorem Class number...
    2 KB (187 words) - 23:15, 29 June 2024
  • 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...
    7 KB (1,100 words) - 01:47, 18 April 2025
  • Mathematical logic is a branch of metamathematics that studies formal logic within mathematics. Major subareas include model theory, proof theory, set...
    69 KB (8,373 words) - 20:10, 24 July 2025
  • The set of exceptional points on W {\displaystyle W} is called the ramification locus (i.e. this is the complement of the largest possible open set W...
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  • Theory and Its Ramifications Journal of Logic and Analysis Journal of Mathematical Biology Journal of Mathematical Logic Journal of Mathematical Physics Journal...
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  • {\displaystyle \Omega _{X/Y}} is zero. Finite extensions of local fields Ramification (mathematics) Hartshorne 1977, Ch. IV, § 2. Grothendieck & Dieudonné 1967,...
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  • restriction of w to K is v. The set of all such extensions is studied in the ramification theory of valuations. Let L/K be a finite extension and let w be an extension...
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  • f(z_{0})} is a positive integer called the ramification index of z 0 {\displaystyle z_{0}} . If the ramification index is greater than 1, then z 0 {\displaystyle...
    17 KB (2,725 words) - 21:01, 19 June 2025
  • Thumbnail for Frank Calegari
    Frank Calegari (category International Mathematical Olympiad participants)
    ISSN 0020-9910. S2CID 8937648. Calegari, Frank; Emerton, Matthew (2005). "On the ramification of Hecke algebras at Eisenstein primes". Inventiones Mathematicae. 160...
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  • Thumbnail for Prime number
    ramification of prime ideals when lifted to an extension field, a basic problem of algebraic number theory, bears some resemblance with ramification in...
    117 KB (14,179 words) - 23:31, 23 June 2025
  • proved by Cahit Arf. The theorem deals with the upper numbered higher ramification groups of a finite abelian extension L / K {\displaystyle L/K} . So assume...
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  • number field K, with respect to the field trace. It then encodes the ramification data for prime ideals of the ring of integers. It was introduced by Richard...
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  • Chemical & Earth Sciences Mathematical Reviews Zentralblatt MATH History of knot theory Journal of Knot Theory and Its Ramifications, SCImago, retrieved 2015-03-02...
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  • 41403 Ogg, A. P. (1967), "Elliptic curves and wild ramification", American Journal of Mathematics, 89 (1): 1–21, doi:10.2307/2373092, ISSN 0002-9327,...
    7 KB (1,006 words) - 15:38, 25 May 2025
  • by Emmy Noether (perhaps known earlier?). What matters here is tame ramification. In terms of the discriminant D of L, and taking still K = Q, no prime...
    15 KB (1,939 words) - 15:03, 26 July 2025
  • In mathematics, Abhyankar's lemma (named after Shreeram Shankar Abhyankar) allows one to kill tame ramification by taking an extension of a base field...
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  • A prototypical example is intuitionistic type theory, which retains ramification (without the explicit levels) so as to discard impredicativity. The 'levels'...
    13 KB (1,760 words) - 08:31, 1 June 2025
  • Thumbnail for Torus
    Torus (redirect from Torus (mathematics))
    The 2-torus is a twofold branched cover of the 2-sphere, with four ramification points. Every conformal structure on the 2-torus can be represented as...
    40 KB (5,169 words) - 14:24, 31 May 2025
  • In algebraic number theory, through completion, the study of ramification of a prime ideal can often be reduced to the case of local fields where a more...
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  • Thumbnail for Jacques Herbrand
    for mathematics and physics Herbrandization – a validity-preserving normal form of a formula, dual to Skolemization Herbrand's theorem on ramification groups...
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  • for the primes p dividing n (this follows from a simple argument on ramification). This decomposition can be used to treat any of its subfields. Cornelius...
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  • Thumbnail for Monodromy
    Monodromy (category Mathematical analysis)
    is closely associated with covering maps and their degeneration into ramification; the aspect giving rise to monodromy phenomena is that certain functions...
    11 KB (1,692 words) - 09:54, 17 May 2025
  • is called inertia degree of Pj over p. The multiplicity ej is called ramification index of Pj over p. If it is bigger than 1 for some j, the field extension...
    16 KB (2,528 words) - 12:39, 6 July 2025
  • Thumbnail for Conway notation (knot theory)
    Conway notation (knot theory) (category Mathematics articles needing expert attention)
    and ramification, however all can be explained using tangle addition and negation. The tangle product, a b, is equivalent to −a+b. and ramification or...
    3 KB (348 words) - 09:41, 19 November 2022