I. Doust

activity

20072026

most citedEnhanced negative type for finite metric trees

33 citations · 72 across the 28 of their papers we have counts for

collaborators

Showing 2008Show all

3 papers · 1 filter

math.FA2008★ 1 cited

Compact $A C (σ)$ operators

Brenden Ashton, Ian Doust

All compact $A C (σ)$ operators have a representation analogous to that for compact normal operators. As a partial converse we obtain conditions which allow one to construct a large…

math.FA2008

$A C (σ)$ operators

Brenden Ashton, Ian Doust

In this paper we present a new extension of the theory of well-bounded operators to cover operators with complex spectrum. In previous work a new concept of the class of absolutely…

math.FA2008★ 2 cited

Extensions of an $A C (σ)$ functional calculus

Ian Doust, Venta Terauds

On a reflexive Banach space $X$ , if an operator $T$ admits a functional calculus for the absolutely continuous functions on its spectrum $σ (T) \subseteq R$ , then this func…

Compact AC(σ) operators

AC(σ) operators

Extensions of an AC(σ) functional calculus

Compact $A C (σ)$ operators

$A C (σ)$ operators

Extensions of an $A C (σ)$ functional calculus