Disambiguation evidence for Hopf conjecture (on Euler characteristic and curvature) via surface form

"Hopf conjecture for manifolds with negative sectional curvature"

Triples (1)

Triples where some other subject referred to this entity as "Hopf conjecture for manifolds with negative sectional curvature".

Hopf conjecture (on Euler characteristic and curvature) → hasVariant →
"Hopf conjecture for manifolds with negative sectional curvature"
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