## Surfaces in four-manifolds and the lightbulb theorem

Informal seminar: Surfaces in four-manifolds and the lightbulb theorem

**Organizers: **Kyle Hayden, Siddhi Krishna, and Patrick Orson

**Time and location: **Th 11:00-12:00, Maloney 560

**Description: **There is a Google doc with a big list of possible topics located here.

**Some references (that will be updated/organized as we move forward):**

The 4-Dimensional Light Bulb Theorem, Dave Gabai

The 4-Dimensional Light Bulb Theorem (after David Gabai), Bob Edwards

4-Manifolds and Kirby Calculus, Robert Gompf and AndrĂˇs Stipsicz

Surfaces in 4-Space, Scott Carter, Seiichi Kamada, and Masahico Saito

What is... a Grope?, Peter Teicher

Branched Covers of Surfaces in 4-Manifolds, Selman Akbulut and Robion Kirby

Surfaces in

*D^*4 with the same boundary and fundamental group, Takahiro ObaGenus is superadditive under band connect sum, Dave Gabai

Property P for the Band Connect Sum of two knots, Abigail Thompson

Band-Sums are Ribbon Concordant to the Connect Sum, Katura Miyazaki

Smooth spheres in

**R^**4 with four critical points are standard, Martin Scharlemann