Suchergebnisse - Classificació AMS::12 Field theory and polynomials::12F Field extensions

Revisiting Kneser’s Theorem for Field Extensions von Bachoc, Christine, Serra, Oriol, Zémor, Gilles

“… A Theorem of Hou, Leung and Xiang generalised Kneser’s addition Theorem to field extensions …”
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Induced Hopf Galois structures von Crespo, Teresa, Rio, Anna, Vela, Montserrat

“… For a finite Galois extension K/k and an intermediate field F such that Gal(K/F) has a normal complement in Gal(K/k …”
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The Hopf Galois Property in Subfield Lattices von Crespo, Teresa, Rio, Anna, Vela, Montserrat

“… Let K/k be a finite separable extension, n its degree and its Galois closure. For n ≤ 5, Greither and Pareigis show that all Hopf Galois extensions are either …”
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From Galois to Hopf Galois: Theory and Practice von Crespo, T., Rio, A., Vela, M.

“… Hopf Galois theory expands the classical Galois theory by considering the Galois property in terms of the action of the group algebra …”
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Hopf Galois structures on symmetric and alternating extensions von Río Doval, Ana, Vela del Olmo, Maria Montserrat, Crespo Vicente, Teresa

“… By using a recent theorem by Koch, Kohl, Truman and Underwood on normality, we determine that some types of Hopf Galois structures do not occur on Galois extensions with Galois group isomorphic …”
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