The Commutant Lifting Theorem and its Applications in Interpolation Theory

Outline
00:00 - Intro
01:50 - Running marathons 
05:19 - The Center
13:28 - On creativity
15:24 - From algebraic system theory to moment problems
43:39 - The gap metric
58:33 - The longstanding friendship and collaboration with M. Smith
01:11:30 - On causality and the arrow of time 

Links
Tryphon’s website: https://georgiou.eng.uci.edu/
People in control interview: https://tinyurl.com/4nw5s9p6
R. Kalman: https://tinyurl.com/mux93t32
A. Tannenbaum: https://tinyurl.com/2pws6rzd
Moment problem - https://tinyurl.com/3u38xy9f
Nevanlinna–Pick interpolation - https://tinyurl.com/3nw56kj
Ph.D. Thesis: https://tinyurl.com/3c5ba8fr
On the computation of the gap metric: https://tinyurl.com/tamnufma
Uncertainty in Unstable Systems: The Gap Metric - https://tinyurl.com/4w7sn73n
Vidyasagar’s paper on the graph metric - https://tinyurl.com/5xn3rks6
Optimal robustness in the gap metric - https://tinyurl.com/7axewjpy
M. Smith - https://tinyurl.com/3ym2fbp9
M. Vidyasagar - https://tinyurl.com/4fnwtjv7
K. Glover - https://tinyurl.com/45zwpva9
C. Foias - https://tinyurl.com/wxt378tj
Commutant lifting theorem - https://tinyurl.com/bdfzxnf2
D. Sarason - https://tinyurl.com/5n6n568f
Robust Stability of Feedback Systems: A Geometric Approach Using the Gap Metric - https://tinyurl.com/bbv2hmy8
Intrinsic difficulties in using the doubly-infinite time axis for input-output control theory - https://tinyurl.com/3cdbc9n2
Erdős number - https://tinyurl.com/bdex5pf6
Causal system - https://tinyurl.com/ythze2h7
Feedback control and the arrow of time - https://tinyur

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Acknowledgments and sponsors
This episode was supported by the National Centre of Competence in Research on «Dependable, ubiquitous automation» and the IFAC Activity fund. The podcast benefits from the help of an incredibly talented and passionate team. Special thanks to L. Seward, E. Cahard, F. Banis, F. Dörfler, J. Lygeros, ETH studio and mirrorlake . Music was composed by A New Element.