activity
20102023
most citedHolomorphic motions, dimension, area and quasiconformal mappings

1 citations · 1 across the 9 of their papers we have counts for

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Showing 2017Show all

3 papers · 1 filter

math.FA2017

Spectral sets for numerical range

Hubert Klaja, Javad Mashreghi, Thomas Ransford

We define and study a numerical-range analogue of the notion of spectral set. Among the results obtained are a positivity criterion and a dilation theorem, analogous to those alrea…

math.CV2017

Approximation in the closed unit ball

Javad Mashreghi, Thomas Ransford

In this expository article, we present a number of classic theorems that serve to identify the closure in the sup-norm of various sets of Blaschke products, inner functions and the…

math.DS2017

Cross-sections of multibrot sets

Line Baribeau, Thomas Ransford

We identify the intersection of the multibrot set of with the rays , where .