| Revision as of 04:56, 4 November 2015 editTakuyaMurata (talk | contribs)Extended confirmed users, IP block exemptions, Pending changes reviewers89,986 editsNo edit summary← Previous edit | Latest revision as of 15:13, 26 October 2019 edit undoTakuyaMurata (talk | contribs)Extended confirmed users, IP block exemptions, Pending changes reviewers89,986 edits ←Changed redirect target from Chow group#Operational Chow Ring to Bivariant theory#Operational Chow ringTag: Redirect target changed | ||
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| #REDIRECT ] | |||
| The basic question, still open as of, is whether there is a ]: | |||
| :<math>A^*(X) \to \operatorname{H}^*(X, \mathbb{Z}).</math> | |||
| If ''X'' is smooth, such a map exists since <math>A^*(X)</math> is the usual ] of ''X''. {{harv|Totaro|2014}} has shown that there might not be such a map even if ''X'' is a ], roughly a variety admitting a cell decomposition. | |||
| {{r to section}} | |||
| == References == | |||
| *W. Fulton, R. MacPherson, F. Sottile, and B. Sturmfels, ‘Intersection theory on spherical varieties’, J. Alg. Geom. 4 (1995), 181–193. | |||
| *Totaro, Chow groups, Chow cohomology and linear varieties. | |||
| {{geometry-stub}} | |||
Latest revision as of 15:13, 26 October 2019
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