Emerging topics: from Operator Algebras to Geometric Rigidity

A special session of IWOTA to mark the retirement of Professor Stephen C. Power

Stephen Power


This special session of IWOTA took place online on 18–19 August 2021. It featured talks connected to the research interests of Professor Stephen C. Power, from operator algebras to geometric rigidity.


All times in British Summer Time (BST), UTC +1.

Wednesday 18 August, 1250–1500
1250 Introduction - Gordon Blower (Lancaster)
1300 Kenneth R. Davidson (Waterloo)
Interpolation and duality in algebras of multipliers on the ball
abstract - slides
1330 Vern I. Paulsen (Waterloo)
From Matrix Completions to Operator System Quotients
abstract - slides
1400 Aristides Katavolos (Athens)
From Fourier binests to Harmonic operators, via crossed products
abstract - slides
1430 Stephen Power (Lancaster)
Operator Algebras and Geometric Rigidity: Places, People, Influences.
abstract - slides - photo gallery
Thursday 19 August, 1000–1500
1000 Tony Nixon (Lancaster)
Global rigidity in analytic planes
1030 Bernd Schulze (Lancaster)
Matrices for analysing rigidity and global rigidity of periodic frameworks
abstract - slides
1100 Sean Dewar (Linz)
Applying rigidity theory to homothetic convex body packings
1130 Ghada Badri (Umm Al-Qura)
Periodic Rigidity of Crystal Bar-Joint Frameworks
1200 Lunch/chat
photo gallery
1300 Rupert Levene (Dublin)
Weighted shift directed graph operator algebras
abstract - slides
1330 David Kribs (Guelph)
Operator algebras, graph theory, and distinguishing quantum states with LOCC
abstract - slides
1400 Eleftherios Kastis (Lancaster)
Invariant Subspaces and Rigidity Theory
abstract - slides
1430 Derek Kitson (Mary Immaculate College)
Braced Sphere Triangulations and Rigidity
abstract - slides