Abstract:
The naturally topologized order complex of proper algebraic subsets in $\mathbb R\mathrm P^2$ defined by systems of quadratic forms has the rational homology of $S^{13}$.
Citation:
V. A. Vassiliev, “Rational homology of the order complex of zero sets of homogeneous quadratic polynomial systems in $\mathbb R^3$”, Modern problems of mathematics, mechanics, and mathematical physics, Collected papers, Trudy Mat. Inst. Steklova, 290, MAIK Nauka/Interperiodica, Moscow, 2015, 211–225; Proc. Steklov Inst. Math., 290:1 (2015), 197–209