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# Questions

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### orthogonality in a lattice

feb 27 at 15:39 Abhinav Kumar 1,434811

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111
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### Poincarè duality and intersection

feb 27 at 13:31 Lee Mosher 5,8061926

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502
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### k3 surface as ramified double cover of $\mathbb{P}^2$

mar 1 at 7:18 lelkes 1155

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87
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### orthogonal base in unimodular lattice

feb 27 at 2:53 Abhinav Kumar 1,434811

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89
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### No fixed components in the linear system of the line bundle generating $Pic(X)$

feb 27 at 0:58 Sándor Kovács 23.7k25273

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125
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### About twistor space of a K3 surface

jan 7 at 19:51 rick 772

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118
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### About first Chern class and Poincaré duality in case of an ample divisor

nov 14 at 17:08 quid 12.9k3151

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54
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### on variable and primitive cohomology of a hypersurface in a projective space

oct 24 at 18:24 rick 772

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127
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### explicit isomorphism from a curve of genre zero to the Riemann sphere [closed]

jan 24 12 at 18:16 rick 772

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