MathDB1 problem
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Cohen–Suciu conjecture on fundamental groups of real line arrangements
Cohen–Suciu conjecture. The incidence lattice determines both the affine and the projective fundamental groups of a real line arrangement.
Cohen–Suciu conjecture on fundamental groups of real line arrangements
Cohen–Suciu conjecture. The incidence lattice determines both the affine and the projective fundamental groups of a real line arrangement.