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Weinstein's conjecture on Grassmannian interpretations in the magic square
Let the magic square be indexed by composition algebras $\mathbb A$ and $\mathbb B$ , with varieties in its chart associated to the tensor product $\mathbb A\otimes\mathbb B$ . Weins…
Conjectureopenexceptional-groups magic-square projective-geometryarXiv posted 2 days ago
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Mazzocca–Melone characterization conjecture for non-split second-row varieties
The non-split second row of the Freudenthal–Tits Magic Square consists of varieties associated with projective planes over quadratic alternative division algebras. In this setting,…
Conjectureopenalgebraic-geometry magic-square projective-varietiesarXiv posted 2 days ago

Weinstein's conjecture on Grassmannian interpretations in the magic square