Papers in Preparation and Submitted
These first few papers are either in preparation or
just submitted. The pdf file may be here for you to look at.
Please feedback any comments you may have on these or any of the
other papers.
 A nonweakly amenable augementation ideal,
(work with B.E.Johnson), under review
Papers Accepted and Appeared
You should find reviews for the following papers on
MathSciNet
Accepted and
Appeared

Cyclic ccohomology of Banach algebras of quivers
and their inverse semigroups ,
(with F.Gourdeau)
Journal of Mathematical Analysis and Applications

Diffusion on some simple stratified spaces,
(with Nye TMW),
Journal of Mathematical Imaging and Vision 2013

Simplicial cohomology of band semigroup algebras.
(with Choi Y, Gourdeau F),
Proceedings of the Royal Society of Edinburgh: Section A Mathematics 2012, 142(4), 715744.

The cyclic and simplicial cohomology of the Cuntz semigroup algebra,
(with F.Gourdeau)
Journal of Mathematical Analysis and Applications
386 (2012) 921  932.

The simplicial cohomology of Rees semigroup algebras
,
(with F.Gourdeau N.Gronbaek),
Studia Mathematica 202(2) (2011) 105121.

The cyclic and simplicial cohomology of the bicyclic semigroup algebra
,
(with F.Gourdeau),
Q J Math 62(3) (2011) 637  677.

A Schwarz lemma for a domain related to musynthesis
,
(with A.AbouHajar and N.J.Young), J. Geom. Anal. 17 (2007), no. 4, 717750.

Simplicial cohomology of some semigroup algebras
,
(with F.Gourdeau, A.Pourabbas),
Canadian Mathematical Bulletin 50 (2007) 5670.
 The cyclic and simplicial cohomology of $l^1(N)$,
(with F.Gourdeau and B.E.Johnson), Trans. Amer Math. Soc. 357 (2005),
50975113.
 The simplicial cohomology of $l^1(Z_+^k)$ and a Kunneth formula,
(with F.Gourdeau and Z.A.Lykova), Studia Math. 166 (2005) 2954
 The simplicial homology and cohomology of L^1(R_+^k),
(with F.Gourdeau and Z.A.Lykova), Banach algebras and their applications, 95109,
Contemp. Math., 363,
Amer. Math. Soc., Providence, RI, 2004.
 Vanishing of the third simplicial cohomology group of l^1(Z_+),
(with F.Gourdeau), Trans. Amer. Math. Soc. 353 (2001), no. 5,
20032017.
 Spectral characterization of algebraic elements,
(with T.J.Ransford), Bull. London Math. Soc. 33 (2001), no. 1, 7782
 Homology and cohomology of commutative Banach algebras and analytic polydiscs,
(with L.I.Pugach), (2000), Glasgow Math. Journal. 42 1524.
 Excision in the cohomology of Banach algebras with coefficients in dual modules,
(with Z.A.Lykova), Banach algebras '97 (Blaubeuren), 341361, de
Gruyter, Berlin, 1998
 An analytic semigroup version of the BeurlingHelson Theorem,
(with J.E.Galé), Math. Zeit., 225 (1997) 151165.
 Injective modules for uniform algebras,
Proc. London Math. Soc., 73 (1996) 155184.
 Analytic multivalued functions and spectral trace,
Math. Ann., 304 (1996) 669683.
 Strong Wedderburn decompositions of Banach algebras containing analytic semigroups,
Jour. London Math. Soc., 2 (1994) 331342.
 Weakly compact homomorphisms,
(with J.E.Galé, T.J.Ransford) Trans. Amer. Math. Soc., 331 (1992) 815824.
 Holomorphic selfmaps of the spectral unit ball,
(with T.J.Ransford) Bull. London Math. Soc., 23 (1991) 256262.
 Characters on weighted amenable groups,
Bull. London Math. Soc., 23 (1991) 375380.
 The representation of a.m.v.'s by compact operators,
Math. Proc. Camb. Phil. Soc., 10 (1991) 161167.