Acronym ...
Name hyperbolic order 8 octagonal tiling
 
 ©
Circumradius sqrt[(1-sqrt(2))/8] = 0.227545 i
Vertex figure [88]
Dual (selfdual)
Confer
more general:
xPoPo  
general polytopal classes:
regular   noble polytopes  
External
links
wikipedia  

Incidence matrix according to Dynkin symbol

x8o8o   (N → ∞)

. . . | N |  8 | 8
------+---+----+--
x . . | 2 | 4N | 2
------+---+----+--
x8o . | 8 |  8 | N

s4o8o   (N → ∞)

demi( . . . ) | N |  8 | 8
--------------+---+----+--
      s4o .   | 2 | 4N | 2
--------------+---+----+--
sefa( s4o8o ) | 8 |  8 | N

starting figure: x4o8o

s4o4o4*a   (N → ∞)

demi( . . .    ) | N |  4  4 | 8
-----------------+---+-------+--
      s   o4*a   | 2 | 2N  * | 2
      s4o .      | 2 |  * 2N | 2
-----------------+---+-------+--
sefa( s4o4o4*a ) | 8 |  4  4 | N

starting figure: x4o4o4*a

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