Acronym | 4,n-dip, K-4.177 |
Name | square - n-gonal duoprism |
Circumradius | sqrt[1/2+1/(4 sin2(π/n))] |
General of army | (is itself convex) |
Colonel of regiment | (is itself locally convex) |
Face vector | 4n, 8n, 5n+4, n+4 |
Especially | 4,2m-dip (n even) cube (n=2)* tisdip (n=3) tes (n=4) squipdip (n=5) shiddip (n=6) sodip (n=8) squadedip (n=10) sitwadip (n=12) |
Confer |
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External links |
* The case n=2 (cube) would belong here as well by concept. So it would have a different incidence matrix, because of the degeneracy of the n-gon. It even has a different dimensionality as a global figure.
Incidence matrix according to Dynkin symbol
x4o xno (n>2) . . . . | 4n | 2 2 | 1 4 1 | 2 2 --------+----+-------+--------+---- x . . . | 2 | 4n * | 1 2 0 | 2 1 . . x . | 2 | * 4n | 0 2 1 | 1 2 --------+----+-------+--------+---- x4o . . | 4 | 4 0 | n * * | 2 0 x . x . | 4 | 2 2 | * 4n * | 1 1 . . xno | n | 0 n | * * 4 | 0 2 --------+----+-------+--------+---- x4o x . ♦ 8 | 8 4 | 2 4 0 | n * x . xno ♦ 2n | n 2n | 0 n 2 | * 4
x x xno (n>2) . . . . | 4n | 1 1 2 | 1 2 2 1 | 2 1 1 --------+----+----------+-----------+------ x . . . | 2 | 2n * * | 1 2 0 0 | 2 1 0 . x . . | 2 | * 2n * | 1 0 2 0 | 2 0 1 . . x . | 2 | * * 4n | 0 1 1 1 | 1 1 1 --------+----+----------+-----------+------ x x . . | 4 | 2 2 0 | n * * * | 2 0 0 x . x . | 4 | 2 0 2 | * 2n * * | 1 1 0 . x x . | 4 | 0 2 2 | * * 2n * | 1 0 1 . . xno | n | 0 0 n | * * * 4 | 0 1 1 --------+----+----------+-----------+------ x x x . ♦ 8 | 4 4 4 | 2 2 2 0 | n * * x . xno ♦ 2n | n 0 2n | 0 n 0 2 | * 2 * . x xno ♦ 2n | 0 n 2n | 0 0 n 2 | * * 2
x x sns (n>2) . . demi( . . ) | 4n | 1 1 2 | 1 2 2 1 | 2 1 1 ----------------+----+----------+-----------+------ x . demi( . . ) | 2 | 2n * * | 1 2 0 0 | 2 1 0 . x demi( . . ) | 2 | * 2n * | 1 0 2 0 | 2 0 1 . . sefa( sns ) | 2 | * * 4n | 0 1 1 1 | 1 1 1 ----------------+----+----------+-----------+------ x x demi( . . ) | 4 | 2 2 0 | n * * * | 2 0 0 x . sefa( sns ) | 4 | 2 0 2 | * 2n * * | 1 1 0 . x sefa( sns ) | 4 | 0 2 2 | * * 2n * | 1 0 1 . . sns ♦ n | 0 0 n | * * * 4 | 0 1 1 ----------------+----+----------+-----------+------ x x sefa( sns ) ♦ 8 | 4 4 4 | 2 2 2 0 | n * * x . sns ♦ 2n | n 0 2n | 0 n 0 2 | * 2 * . x sns ♦ 2n | 0 n 2n | 0 0 n 2 | * * 2
xx xxnoo&#x (n>2) → height = 1
({n}-p || {n}-p)
o. o. o. | 2n * | 1 2 1 0 0 | 2 1 1 2 0 0 | 1 2 1 0
.o .o .o | * 2n | 0 0 1 1 2 | 0 0 1 2 2 1 | 0 2 1 1
------------+-------+--------------+--------------+--------
x. .. .. | 2 0 | n * * * * | 2 0 1 0 0 0 | 1 2 0 0
.. x. .. | 2 0 | * 2n * * * | 1 1 0 1 0 0 | 1 1 1 0
oo oonoo&#x | 1 1 | * * 2n * * | 0 0 1 2 0 0 | 0 2 1 0
.x .. .. | 0 2 | * * * n * | 0 0 1 0 2 0 | 0 2 0 1
.. .x .. | 0 2 | * * * * 2n | 0 0 0 1 1 1 | 0 1 1 1
------------+-------+--------------+--------------+--------
x. x. .. | 4 0 | 2 2 0 0 0 | n * * * * * | 1 1 0 0
.. x.no. | n 0 | 0 n 0 0 0 | * 2 * * * * | 1 0 1 0
xx .. ..&#x | 2 2 | 1 0 2 1 0 | * * n * * * | 0 2 0 0
.. xx ..&#x | 2 2 | 0 1 2 0 1 | * * * 2n * * | 0 1 1 0
.x .x .. | 0 4 | 0 0 0 2 2 | * * * * n * | 0 1 0 1
.. .xn.o | 0 n | 0 0 0 0 n | * * * * * 2 | 0 0 1 1
------------+-------+--------------+--------------+--------
x. x.no. ♦ 2n 0 | n 2n 0 0 0 | n 2 0 0 0 0 | 1 * * *
xx xx ..&#x ♦ 4 4 | 2 2 4 2 2 | 1 0 2 2 1 0 | * n * *
.. xxnoo&#x ♦ n n | 0 n n 0 n | 0 1 0 n 0 1 | * * 2 *
.x .xn.o ♦ 0 2n | 0 0 0 n 2n | 0 0 0 0 n 2 | * * * 1
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