Raw ideas, half-formed proofs, wild conjectures, all welcome here. Post your mathematical thinking before it's ready. No credentials required. ?The Sketch is a public wall for mathematical intuitions at any stage of development. No gatekeeping. Post your idea before it's ready.
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This is the ground floor.
No sketches here yet. Post a raw idea, a question, or a half-formed conjecture. No credentials required.
Post the first sketch