The non-increasing order cover conjecture for torsion classes
The non-increasing order cover conjecture for torsion classes
Let be the algebra under consideration, let denote the -vector fan, let denote the set of binuclear torsion classes, and let be the non-increasing order on torsion classes. For , write for the interior of its corresponding face.
Non-increasing cover conjecture. If
then there exists such that
This would extend the preceding cover theorem from the facial semistability order to the non-increasing order, providing an intermediate -vector face between and any suitable binuclear torsion class .
Sources & referencesView supporting material
Primary source
Eric J. Hanson, “A facial order for torsion classes”, arXiv:2305.06031 (2023).
Progress summary
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