List questions from finite-geometry

Published on 15 Nov 2011 - 5:38

483

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About Fano plane symmetries

Published on 25 Mar 2026 - 6:27

187

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Show that the harmonic conjugates are collinear - Menelaus and Ceva's Theorems with homogeneous coordinates

Published on 23 Feb 2026 - 8:27

370

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Affine Plane of Order $5$ Picture?

Published on 09 Nov 2020 - 14:08

105

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Sharply 2-transitive subgroups of the affine group $AGL_d(F)$

Published on 10 Nov 2020 - 13:28

153

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What is known about collineation groups in general?

Published on 12 Dec 2020 - 18:27

409

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groups of conics

Published on 24 Mar 2026 - 9:54

78

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line at infinity intersected with a line from points of the parabola

Published on 03 Jan 2021 - 13:58

36

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if $|\mathcal{H}_1 \cap \mathcal{H}_2|> n+1$ then $\mathcal{H}_1 =\mathcal{H}_2$ for hyperovals of an even order plane

Published on 05 Jan 2021 - 13:33

33

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dual of an ovoid in $PG(3,q)$

Published on 18 Jan 2021 - 12:20

71

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In a finite affine space $(\mathbb{Z}/p)^3$, has at most $p^2 +p +1$ lines passing through a point.

Published on 28 Feb 2021 - 18:08

233

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Non singular degenerate conics in the projective plane

Published on 04 Mar 2021 - 17:20

195

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Checking if 8 points in the projective plane lie on a singular cubic.

Published on 19 Mar 2021 - 17:39

147

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State of Research on Projective Planes of Order 11

Published on 02 Apr 2021 - 11:46

60

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Does this combinatorical condition characterize the (kernels of) non-degenerate quadratic forms $q:V\to \mathbb{F}_2$?

Published on 01 Jun 2021 - 14:26

List Question

Proof of the number of nodes in a finite projective plane

About Fano plane symmetries

Show that the harmonic conjugates are collinear - Menelaus and Ceva's Theorems with homogeneous coordinates

Affine Plane of Order $5$ Picture?

Sharply 2-transitive subgroups of the affine group $AGL_d(F)$

What is known about collineation groups in general?

groups of conics

line at infinity intersected with a line from points of the parabola

if $|\mathcal{H}_1 \cap \mathcal{H}_2|> n+1$ then $\mathcal{H}_1 =\mathcal{H}_2$ for hyperovals of an even order plane

dual of an ovoid in $PG(3,q)$

In a finite affine space $(\mathbb{Z}/p)^3$, has at most $p^2 +p +1$ lines passing through a point.

Non singular degenerate conics in the projective plane

Checking if 8 points in the projective plane lie on a singular cubic.

State of Research on Projective Planes of Order 11

Does this combinatorical condition characterize the (kernels of) non-degenerate quadratic forms $q:V\to \mathbb{F}_2$?

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