Xi Yin

I’m joining @periodiclabs today, excited to learn and explore new fields and to be working with a fantastic team!

BFSS matrix theory is the canonical example of holographic quantum mechanics. To characterize its ground state wavefunction has been a long standing open problem. We hereby present an approximate but highly accurate and explicit solution in the SU(2) case arxiv.org/pdf/2611.09837 github.com/asmichel/SU2-B…

I'm still doing a little bit of string theory recreationally - my students are now pros and have taken the lead! Here is a neat one from earlier in the week arxiv.org/pdf/2611.03792 github.com/YutaiZhang2003… where we eliminated some of the technical barriers in carrying out string perturbation theory to higher genera.

A few days of excursion in CMU with old and new friends. Now heading back to the Bay and getting to work!

Today is my last day at OpenAI. It’s been an awesome ride, but I’m getting off a little early to pursue a new direction. I feel fortunate to have worked alongside some of the most incredible people I know. I’m especially grateful to @ALupsasca and Boris Alexeev for helping me navigate my first corporate job, and to @danintheory for his constant support. I’ll be rooting for you all!