blog:2023-05-07
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| blog:2023-05-07 [2023/05/08 05:52] – pzhou | blog:2023-05-07 [2023/06/25 15:53] (current) – external edit 127.0.0.1 | ||
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| well, a determinant line is a kernel minus cokernel, taking determinants. | well, a determinant line is a kernel minus cokernel, taking determinants. | ||
| + | ===== What is orientation? | ||
| + | If $L$ satisfies certain topological condition, then the moduli space of disks ending on $L$ is orientable. | ||
| - | + | But, how do we define the A-infinity structures? Why we count some disks with a negative sign? When we say we orient the 0-dim moduli space of the disks, that means plus-minus signs. | |
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blog/2023-05-07.1683525156.txt.gz · Last modified: 2023/06/25 15:53 (external edit)