NMSU • BLAST-2009
Something Old, Something New, Something Borrowed, ...
Next F.E.J. Linton • Wesleyan Univ. Math/CS Emeritus

Two triangles Begin with two triangles

Topology as usual except for the southernmost vertices, whose smallish basic neighborhoods are "broken Vs" ...
Single Triangle
Here’s a typical one for one of those vertices ...

And here’s a typical one for the other ...

Now: splint these broken Vs together again ...

There! Now: remove the coloration ...