Conditions are established on a polynomial f in two variables under which the equality f(P1, P2) = 0 for two orthogonal projections P1, P2 is possible only if P1 and P2 commute.
CITATION STYLE
Spitkovsky, I. M. (2006). On polynomials in two projections. Electronic Journal of Linear Algebra, 15, 154–158. https://doi.org/10.13001/1081-3810.1226
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