Mani & Walkup's 3sphere(C)
 Description

A 3sphere made by Mani and Walkup, which is not vertex decomposable
This is made in relation to the Hirsh conjecture, that
the w_v path conjecture fails for general (nonpolytopal) spheres.
Called "C" in the paper.
 Properties

This sphere is shellable.
 Datum

maniwalkupC.dat
 Some table

vertex decomposable?  no 
extendably shellable?  ? 
shellable?  yes 
constructible?  yes 
CohenMacaulay?  yes 
partitionable?  yes 
topology  3ball 
fvector  (1,20,126,212,106) 
hvector  (1,16,72,16,1) 
made by  Mani&Walkup 
 References
 P.Mani and D.W.Walkup,
A 3sphere counterexample to the $W_v$path conjecture,
Math. Operations Research 5 (1980), 595598.
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