Tensors, multivectors, wedge products, multilinear maps, exterior (Grassmann) algebras.

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Composition of multilinear forms agreeing on a subset of points

Let $n$ be a perfect square. Consider multiaffine polynomials $p(x_1,x_2,\dots,x_n),q(x_1,x_2,\dots,x_n),r(x_1,x_2,\dots,x_n),$$\{s_j(x_1,x_2,\dots,x_n)\}_{j=1}^{n}$$\in\mathbb R[x_1,x_2,\dots,x_n]$. ...