Top Network Posts

• 19 Must an algebraic variety with trivial tangent bundle be an abelian variety?
• 14 Are "ample" and "positive" line bundle the same concept?
• 12 Example of group cohomology not annihilated by exponent of $G$?
• 11 Is a morphism whose all fibers are $\mathbf{P}^n$ a projective bundle?
• 10 Can every algebraic variety of dimension $n$ be covered by $n+1$ affine opens?
• 9 Can a class be represented by both a $(p,q)$-form and a $(p',q')$-form?
• 9 Finite group representation as $\mathrm{Aut}(\Gamma)$ action $H^1(\Gamma,\mathbb{Z})$ of graph?
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