#### Filter Results:

#### Publication Year

1994

2016

#### Publication Type

#### Co-author

#### Publication Venue

#### Key Phrases

#### Organism

Learn More

- A S Unis, E H Cook, +4 authors J Mitchell
- Biological psychiatry
- 1997

Dysregulation of serotonergic function has been associated with aggression in several studies involving children, adolescents, and adults. This study investigated the relationship of platelet serotonergic measures to conduct disorder type, severity of aggression, and social skills impairment. Standardized assessments of diagnosis, aggression, impulsivity,… (More)

- Edward A Selby, Peter Doyle, +4 authors Daniel Le Grange
- Journal of psychiatric research
- 2012

BACKGROUND
Bulimia nervosa (BN) and borderline personality disorder (BPD) are disorders that involve emotion dysregulation, for negative emotion in particular, as well as impulsive behaviors beyond binge eating and vomiting. Given these similarities in psychopathology, it is not surprising that those with BN also present with BPD in approximately one third… (More)

- Thomas K. F. Foo, Nancy S. Grigsby, James D. Mitchell, Beth E. Slayman
- IEEE Trans. Med. Imaging
- 1994

A method for detection and removal of random spike noise in magnetic resonance (MR) raw data (k-space data) is described. This method would reduce or eliminate the corduroy-type and higher than usual level artifacts in MR images resulting from random spike noise in k-space data. The method described involves applying a spatially varying threshold to be… (More)

- Jonathan J Mond, Phillipa J Hay, Bryan Rodgers, Cathy Owen, James Mitchell
- The Australian and New Zealand journal of…
- 2006

OBJECTIVE
To inform the classification of bulimic-type eating disorders, the correlates of purging and non-purging methods of weight control were examined in a large community sample of young adult women reporting recurrent episodes of binge eating.
METHOD
Scores on self-report measures of eating disorder psychopathology, functional impairment and… (More)

- João Araújo, James D. Mitchell
- The American Mathematical Monthly
- 2005

In this note we give an elementary proof of a theorem first proved by J. A. Erdos [3]. This theorem, which is the main result of [3], states that every noninvertible n × n matrix is a finite product of matrices M with the property that M 2 = M. (These are known as idempotent matrices. Noninvertible matrices are also called singular matrices.) An alternative… (More)

- João Araújo, Paul von Bünau, James D. Mitchell, Max Neunhöffer
- J. Symb. Comput.
- 2010

In this paper an algorithm is presented that can be used to calculate the automorphism group of a finite transformation semigroup. The general algorithm employs a special method to compute the automorphism group of a finite simple semigroup. As an application of the algorithm, all the automorphism groups of semigroup of order at most 7 and of the… (More)

- James D. Mitchell, Michal Morayne, Yann H. Péresse, Martyn Quick
- Ann. Pure Appl. Logic
- 2010

Let Ω Ω be the semigroup of all mappings of a countably infinite set Ω. If U and V are subsemigroups of Ω Ω , then we write U ≈ V if there exists a finite subset F of Ω Ω such that the subgroup generated by U and F equals that generated by V and F. The relative rank of U in Ω Ω is the least cardinality of a subset A of Ω Ω such that the union of U and A… (More)

We describe how the SgpDec computer algebra package can be used for composing and decomposing permutation groups and transformation semigroups hierarchically by directly constructing substructures of wreath products, the so called cascade products. transformation semigroup, permutation group, wreath product, Krohn-Rhodes Theory

- Zak Mesyan, James D. Mitchell, Michal Morayne, Yann H. Péresse
- Math. Log. Q.
- 2012