The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A349458 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A349458

Number of smooth positroids in the Grassmannian variety Gr(k,n) for a fixed n and any 0 <= k <= n.
(history; published version)

#28 by Joerg Arndt at Tue Jul 19 01:13:13 EDT 2022

STATUS

reviewed

approved

#27 by Michel Marcus at Tue Jul 19 00:02:22 EDT 2022

STATUS

proposed

reviewed

#26 by Michael De Vlieger at Mon Jul 18 20:29:32 EDT 2022

STATUS

editing

proposed

#25 by Michael De Vlieger at Mon Jul 18 20:29:30 EDT 2022

LINKS

Sara C. Billey and Jordan E. Weaver, <a href="https://arxiv.org/abs/2207.06508">Criteria for smoothness of Positroid varieties via pattern avoidance, Johnson graphs, and spirographs</a>, arXiv:2207.06508 [math.CO], 2022.

STATUS

approved

editing

#24 by OEIS Server at Thu Apr 28 19:13:20 EDT 2022

LINKS

Jordan Weaver, <a href="/A349458/b349458_1.txt">Table of n, a(n) for n = 0..50</a>

#23 by Alois P. Heinz at Thu Apr 28 19:13:20 EDT 2022

STATUS

proposed

approved

Discussion

Thu Apr 28

19:13

OEIS Server: Installed new b-file as b349458.txt.  Old b-file is now b349458_1.txt.

#22 by Jordan Weaver at Thu Apr 28 13:20:42 EDT 2022

STATUS

editing

proposed

#21 by Jordan Weaver at Thu Apr 28 13:19:43 EDT 2022

LINKS

Jordan Weaver, <a href="/A349458/b349458_1.txt">Table of n, a(n) for n = 0..4950</a>

#20 by Alois P. Heinz at Thu Apr 28 13:11:30 EDT 2022

STATUS

proposed

editing

Discussion

Thu Apr 28

13:13

Alois P. Heinz: please repeat upload ... and add an empty line at the bottom of the file before ... so the system can see a(50) ...

#19 by Jordan Weaver at Thu Apr 28 13:09:04 EDT 2022

STATUS

editing

proposed