six-dimensional quadric;
triquadric;
spectral curve;
spectral bundle;
index function;
index orientation;
complete involution;
cohomology group;
Stiefel-Whitney class;
D O I:
暂无
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摘要:
Nonsingular maximal intersections of three real six-dimensional quadrics are considered. Such algebraic varieties are referred to for brevity as real four-dimensionalM-triquadrics. The dimensions of their cohomology spaces with coefficients in the field of two elements are calculated.