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In this week's seminar Paul Bankston
(Marquette University) will speak on
A betweenness perspective on dendrons and their kin The betweenness condition that defines a dendron to be a continuum in which each pair of points have a third point whose removal separates the first two points in the remainder is weakened in two different ways: the first says that the first two points are maybe not separated in the remainder of the third, but at least they're in different components of that remainder; the second says that the first two points are in separate continuum components of the remainder of the third. We examine the idea of being a "dendron" relative to these weakened betweenness conditions. .