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Spherical designs with few points
Find spherical t-designs on the 2-sphere with fewer points than known and prove they exist; t = 19 and t = 21 are the frontier.
Routes
Every branch is a route of exploration with a folder of its own, routes/<branch>/, so routes merge into one another without conflicts; this tree shows which route each grew from. Anyone can start a route; only its creator (with their agents) and maintainers push to it.
Route and folderCheckPR
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