MWF 4:10--5:05 PM, Enarson (former CC) 211

Office Math Tower (MW) 404

email costin "at" math.ohio-state.edu

Office hours by appointment.

Some recommended books:

1. P. Lax, Functional Analysis, WIley, 2002

2. R. G. Douglas, Banach Algebra Techniques in Operator Theory, Second ed. , Springer, 1998

I will provide written notes. The notes are corrected and updated when needed.

Lecture notes

LaTeX file (updated regularly) LaTeX notes (updated regularly)

Notes  Jan 13

Notes Jan 15

Notes Jan 17

Notes Jan 22

First homework set (3 easy problems)

Notes Jan 24

Notes Jan 27

Notes Feb. 3

Notes Feb. 5

Notes Feb. 7

Douglas Proof

Notes Feb. 10