James East
I was a Postdoctoral Research Fellow in the School of Mathematics and Statistics at the University of Sydney during 20082010. I am still an honorary associate in the School.
I began a position as lecturer in Pure Mathematics at the University of Western Sydney in 2011. Here is my personal page there  it will hopefully be updated some time soon.
Current postal address: 
Dr James East
School of Computing, Engineering and Mathematics
University of Western Sydney
Locked Bag 1797, Penrith NSW 2751
Australia 
Office: 
Building EN, Room 1.33, Parramatta campus 
Email: 
J.East@uws.edu.au 
Phone: 
+61 2 9685 9108 
Department Fax: 
+61 2 9685 9557 


Teaching
Here are the last few courses I taught at the University of Sydney:
 Second Semester 2010  PHAR1822  Physical Pharmaceutics and Formulation (Mathematics Component)  old webpage
 First Semester 2010  PHAR2813  Therapeutic Principles (Mathematics Component)  old webpage
 Summer School 2010  MATH2061  Vector Calculus
 First semester 2009  MATH1902  Linear Algebra (Advanced)
 Summer School 2009  MATH2061/2067  Vector Calculus
 Second Semester 2008  MATH2968  Algebra (Advanced)
Research
I am a member of the Algebra Research Group. My main interest lies in combinatorial semigroup theory, the study of semigroups (including monoids and groups) via presentations (generators and relations). The kinds of semigroups and monoids I am particularly interested in are all somehow related to:
 braid groups and monoids;
 symmetric groups and generalizations such as:
 transformation semigroups;
 partition monoids/algebras and dual symmetric inverse monoids; and
 Coxeter groups and Artin monoids/groups.
My PhD thesis, supervised by David Easdown and entitled ``On Monoids Related to Braid Groups and Transformation Semigroups'', may be found here.
Publications
Preprint versions of all papers will be available for download soon.
In print

With James Mitchell and Yann Péresse: Maximal subsemigroups of the semigroup of all mappings on an infinite set. Trans. Amer. Math. Soc., to appear.

Partition monoids and embeddings in regular *semigroups. Period. Math. Hungar., to appear.

A symmetrical presentation for the singular part of the symmetric inverse monoid. Algebra Universalis, to appear.

Singular braids and partial permutations. Acta Sci. Math. (Szeged), to appear.

Infinite partition monoids. Internat. J. Algebra Comput. 24 (2014), no. 4, 429460.

Defining relations for idempotent generators in finite partial transformation semigroups. Semigroup Forum 89 (2014), no. 1, 7276.

Infinity minus infinity. Faith and Philosophy 30 (2013), no. 4, 429433.

Defining relations for idempotent generators in finite full transformation semigroups. Semigroup Forum 86 (2013), no. 3, 451–485.

With Des FitzGerald: The semigroup generated by the idempotents of a partition monoid. J. Algebra 372 (2012), 108133.

Generation of infinite factorizable inverse monoids. Semigroup Forum 84 (2012), no.2, 267283.

Generators and relations for partition monoids and algebras. J. Algebra 339 (2011), 126.

With Peter McNamara: On the work performed by a transformation semigroup. Australas. J. Combin. 49 (2011), 95109.

On the singular part of the partition monoid. Internat. J. Algebra Comput. 21 (2011), no. 12, 147178.

Braids and orderpreserving partial permutations. J. Knot Theory Ramifications 19 (2010), no. 8, 10251049.

A presentation of the singular part of the full transformation semigroup. Semigroup Forum. 20 (2010), no. 2, 357379.

Presentations for singular subsemigroups of the partial transformation semigroup. Internat. J. Algebra Comput. 20 (2010), no. 1, 125.

Embeddings in coset monoids. J. Aust. Math. Soc. 85 (2008), no. 1, 7580.

On a class of factorizable inverse monoids associated with braid groups. Comm. Algebra 36 (2008), no. 8, 31553190.

With David Easdown and Des FitzGerald: A presentation of the dual symmetric inverse monoid. Internat. J. Algebra Comput. 18 (2008), no. 2, 357374.

Vines and partial transformations. Adv. Math. 216 (2007), no. 2, 787810.

Braids and partial permutations. Adv. Math. 213 (2007), no. 1, 440461.

The factorizable braid monoid. Proc. Edinb. Math. Soc. (2) 49 (2006), no. 3, 609636.

Factorizable inverse monoids of cosets of subgroups of a group. Comm. Algebra 34 (2006), no. 7, 26592665.

A presentation of the singular part of the symmetric inverse monoid. Comm. Algebra 34 (2006), no. 5, 16711689.

Birman's conjecture is true for I_{2}(p). J. Knot Theory Ramifications 15 (2006), no. 2, 167177.

Cellular algebras and inverse semigroups. J. Algebra 296 (2006), no. 2, 505519.

With David Easdown and Des FitzGerald: Presentations of factorizable inverse monoids. Acta Sci. Math. (Szeged) 71 (2005), no. 34, 509520.

With David Easdown and Des FitzGerald: Braids and factorizable inverse monoids.
Semigroups and languages, 86105, World Sci. Publ., River Edge, NJ, 2004.
Preprints

With Bob Gray: Idempotent generators in finite partition monoids and related semigroups. Preprint. 2014.

With Igor Dolinka: Idempotent generation in the endomorphism monoid of a uniform partition. Preprint. 2014.

With Igor Dolinka: Variants of finite full transformation semigroups. Preprint. 2014.

With Igor Dolinka, Athanasios Evangelou, Des FitzGerald, Nicholas Ham, James Hyde and Nicholas Loughlin: Enumeration of idempotents in diagram semigroups and algebras. Preprint. 2014.

With Attila EgriNagy and James Mitchell: Enumerating transformation semigroups. Preprint. 2014.

Infinite dual symmetric inverse monoids. Preprint. 2013.

With Attila EgriNagy, James Mitchell and Yann Péresse: Computing with semigroups. In preparation.

Can God count to infinity? In preparation.

Methuselah's diary: a response to Ben Waters on the finitude of the past. In preparation.

With Igor Dolinka: Wire monoids. In preparation.

With Igor Dolinka: Variants of diagram monoids. In preparation.

With Igor Dolinka and James Mitchell: Idempotent generation in the endomorphism monoid of a nonuniform partition. In preparation.

With James Mitchell and Yann Péresse: Maximal subsemigroups of the symmetric inverse monoid. In preparation.

With James Mitchell and Yann Péresse: Maximal subsemigroups of the dual symmetric inverse monoid. In preparation.

With James Mitchell and others: Maximal subsemigroups of finite semigroups. In preparation.

With Igor Dolinka, Athanasios Evangelou, Des FitzGerald, Nicholas Ham, James Hyde and Nicholas Loughlin: Enumeration of idempotents in Jones monoids and TemperleyLieb algebras. In preparation.

Dual reflection monoids IIII. Three papers, in preparation.

Cellularity of inverse semigroup algebras. Proceedings of the Special Interest Meeting on Semigroups, University of Sydney, 2006. To appear?

Coset monoids and embeddings. Proceedings of the Special Interest Meeting on Semigroups, University of Sydney, 2006. To appear?
Conference Talks and Seminars (very outofdate)
Algebra Seminar
I was the organizer of the Sydney University Algebra Seminar in 20092010. For information about upcoming talks, or to be added to the mailing list, please visit the website.
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