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On local class field theory* [PDF]

open access: bronzeJournal of the Mathematical Society of Japan, 1961
Verf. skizziert eine einheitliche Darstellung der lokalen Klassenkörpertheorie über Zahl- und Funktionenkörpern \(k\). Als Ausgangspunkt dient das Verschwinden der Kohomologiegruppen \(H^2(G(K/\hat k)), K^*)\), wobei \(\hat k\) die unverzweigte Erweiterung von \(k\) ist.
O. F. G. Schilling
openaire   +4 more sources

Asymptotic symmetries and subleading soft photon theorem in effective field theories

open access: yesJournal of High Energy Physics, 2018
In [1, 2] it was shown that the subleading soft photon theorem in tree level amplitudes in massless QED is equivalent to a new class of symmetries of the theory parameterized by a vector field on the celestial sphere.
Alok Laddha, Prahar Mitra
doaj   +3 more sources

Computational class field theory [PDF]

open access: green, 2008
Class field theory furnishes an intrinsic description of the abelian extensions of a number field that is in many cases not of an immediate algorithmic nature. We outline the algorithms available for the explicit computation of such extensions.
Cohen, Henri, Stevenhagen, Peter
openaire   +3 more sources

Class field theory summarized [PDF]

open access: bronzeRocky Mountain Journal of Mathematics, 1981
Dennis Garbanti
openaire   +3 more sources

Class fields generated by coordinates of elliptic curves

open access: yesOpen Mathematics, 2022
Let KK be an imaginary quadratic field different from Q(−1){\mathbb{Q}}\left(\sqrt{-1}) and Q(−3){\mathbb{Q}}\left(\sqrt{-3}). For a nontrivial integral ideal m{\mathfrak{m}} of KK, let Km{K}_{{\mathfrak{m}}} be the ray class field modulo m{\mathfrak{m}}.
Jung Ho Yun, Koo Ja Kyung, Shin Dong Hwa
doaj   +1 more source

Class field theory (II) [PDF]

open access: bronze, 2011
Kazuya Kato   +2 more
openaire   +2 more sources

Ramanujan’s function k(τ)=r(τ)r2(2τ) and its modularity

open access: yesOpen Mathematics, 2020
We study the modularity of Ramanujan’s function k(τ)=r(τ)r2(2τ)k(\tau )=r(\tau ){r}^{2}(2\tau ), where r(τ)r(\tau ) is the Rogers-Ramanujan continued fraction.
Lee Yoonjin, Park Yoon Kyung
doaj   +1 more source

Effective field theories as Lagrange spaces

open access: yesJournal of High Energy Physics, 2023
We present a formulation of scalar effective field theories in terms of the geometry of Lagrange spaces. The horizontal geometry of the Lagrange space generalizes the Riemannian geometry on the scalar field manifold, inducing a broad class of affine ...
Nathaniel Craig   +3 more
doaj   +1 more source

Tame class field theory for arithmetic schemes [PDF]

open access: yes, 2004
We extend the unramified class field theory for arithmetic schemes of K. Kato and S. Saito to the tame case. Let $X$ be a regular proper arithmetic scheme and let $D$ be a divisor on $X$ whose vertical irreducible components are normal schemes. Theorem:
Alexander Schmidt   +12 more
core   +3 more sources

Kaluza-Klein fermion mass matrices from exceptional field theory and N $$ \mathcal{N} $$ = 1 spectra

open access: yesJournal of High Energy Physics, 2021
Using Exceptional Field Theory, we determine the infinite-dimensional mass matrices for the gravitino and spin-1/2 Kaluza-Klein perturbations above a class of anti-de Sitter solutions of M-theory and massive type IIA string theory with topologically ...
Mattia Cesàro, Oscar Varela
doaj   +1 more source

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