Código QR (código de barras bidimensional)

On the rationality problem for low degree hypersurfaces

We show that a very general hypersurface of degree $d \geq 4$ and dimension $N \leq (d+1)2^{d-4}$ over a field of characteristic $\neq 2$ does not admit a decomposition of the diagonal; hence, it is neither stably nor retract rational, nor $\mathbb {A}^1$ -connected. Simil...

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Bibliografiske detaljer
Principais autores: Jan Lange, Stefan Schreieder
Format: Artigo
Sprog:Inglês
Udgivet: Cambridge University Press 2025-01-01
Serier:Forum of Mathematics, Pi
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Online adgang:https://www.cambridge.org/core/product/identifier/S2050508625100164/type/journal_article
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