Descriptif technique du bois d'essence tropicale – Jarrah – <em>Eucalyptus marginata </em> Donn.
نویسندگان
چکیده
Extrait de l’Atlas des bois tropicaux – Caractéristiques technologiques et utilisationsJ. Gérard (coord), D. Guibal (au.), J.-C. Cerre S. Paradis 40 auteurs, 2016.Éditions Quæ, 1000 p.
 https://www.quae.com/produit/1408/9782759225521/atlas-des-bois-tropicaux
منابع مشابه
A Simple Characterization of Du Bois Singularities
We prove the following theorem characterizing Du Bois singularities. Suppose that Y is smooth and that X is a reduced closed subscheme. Let π : e Y → Y be a log resolution of X in Y that is an isomorphism outside of X. If E is the reduced pre-image of X in e Y , then X has Du Bois singularities if and only if the natural map ØX → Rπ∗ØE is a quasi-isomorphism. We also deduce Kollár’s conjecture ...
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We prove that a Cohen-Macaulay normal variety X has Du Bois singularities if and only if π∗ωX′(G) ≃ ωX for a log resolution π : X ′ → X , where G is the reduced exceptional divisor of π. Many basic theorems about Du Bois singularities become transparent using this characterization (including the fact that Cohen-Macaulay log canonical singularities are Du Bois). We also give a straightforward an...
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ژورنال
عنوان ژورنال: Bois Et Forets Des Tropiques
سال: 2022
ISSN: ['0006-579X', '1777-5760']
DOI: https://doi.org/10.19182/bft2021.350.a36831