Timeline for Stratification of space of labelled circles in the plane
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Feb 16, 2018 at 17:26 | comment | added | Jānis Lazovskis | Yes, as that is the closest thing I could think of of related to your question. | |
| Feb 14, 2018 at 19:00 | comment | added | Ryan Budney | @JānisLazovskis: It sounds like you are referring to the codimension zero strata? There are also tangencies and triple point avoidance. | |
| Feb 11, 2018 at 15:35 | comment | added | Jānis Lazovskis | The $v_i$ are not quite the configuration space $\text{Conf}_n(\mathbf{R}^2)$ because you are allowing circles to coincide, but also not quite the Ran space $\text{Ran}^{\leqslant n}(\mathbf{R}^2)$, because you are keeping track of how many points coincide (and their order). Ayala-Francis-Tanaka (Example 3.5.17 and onwards) write about how $X^I$, for $I$ finite, sits in an already stratified Ran space, which may give you some coarser information. | |
| Feb 10, 2018 at 22:50 | history | asked | Ryan Budney | CC BY-SA 3.0 |