Geodesic
Motivic tubular neighborhoods
Documenta mathematica, Tome 12 (2007), pp. 71-146.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: We construct motivic versions of the classical tubular neighborhood and the punctured tubular neighborhood, and give applications to the construction of tangential base-points for mixed Tate motives, algebraic gluing of curves with boundary components, and limit motives.
Classification : 14C25, 55P42, 18F20, 14F42
Keywords: limit motives, moduli of curves, Tate motives 
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     author = {Levine, Marc},
     title = {Motivic tubular neighborhoods},
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     pages = {71--146},
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     volume = {12},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2007__12__a17/}
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Levine, Marc. Motivic tubular neighborhoods. Documenta mathematica, Tome 12 (2007), pp. 71-146. http://geodesic.mathdoc.fr/item/DOCMA_2007__12__a17/