My name is Ben Johnsrude. I'm a fifth-year PhD candidate at UCLA studying analysis.

Prior to UCLA, I was an undergraduate at the University of Michigan - Ann Arbor.

I can be reached at johnsrude (at)

For GSO matters: please contact me via email.

My research may be located here.

My historical teaching is as follows:

Quarter Course
Spring 2024 Math 31B, Math 132
Winter 2024 Math 245B
Fall 2023 Math 31AL, Math 245A
Spring 2023 Math 32B
Winter 2023 Math 245B
Fall 2022 Math 245A
Spring 2022 Math 32A, Math 132
Winter 2022 None
Fall 2021 Math 132, Math 245A
Summer A 2021 Math 132
Spring 2021 Math 132
Winter 2021 Math 32A, Math 132
Fall 2020 Math 132, Math 246A
Spring 2020 Math 132
Winter 2020 Math 32B
Fall 2019 Math 32A
Reviews from prior teaching may be found here. See also this sample from my zoom transcripts.

Some documents:

Notes from a presentation about isomorphism invariants for Bernoulli shifts in the sofic case

Notes from a presentation about property Gamma

Notes from a presentation about UHF algebras

Slides discussing Loewner energy

UCLA Analysis qualifying exam solutions