Ziggurats and taut foliations Jonathan Zung, MIT Host: Henry Segerman Zoom link: https://okstate-edu.zoom.us/j/95587276709?pwd=bPa7R6ZaLto27qOXw1cM8va1ytjqWu.1
Abstract: If L is a link in a 3-manifold, which Dehn surgery multislopes give rise to 3-manifolds with taut foliations? In this talk, I will discuss the ziggurat phenomenon: if one restricts to foliations transverse to a fixed flow on the link complement, the set of multislopes typically has a fractal staircase shape with rational corners. In work in progress with Thomas Massoni, we explain the ziggurat phenomenon in some contexts using tools from contact geometry.
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