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- Sean J Buckley, Quinn P Fitzgibbon, Gregory G Smith, Tomer Ventura
- General and comparative endocrinology
- 2016

Against a backdrop of food insecurity, the farming of decapod crustaceans is a rapidly expanding and globally significant source of food protein. Sagmariasus verreauxi spiny lobster, the subject of this study, are decapods of underdeveloped aquaculture potential. Crustacean neuropeptide G-protein coupled receptors (GPCRs) mediate endocrine pathways that are… (More)

- Gregory G. Smith
- 2001

We give a dimension bound on the irreducible components of the characteristic variety of a system of linear partial di.erential equations de0ned from a suitable 0ltration of the Weyl algebra An. This generalizes an important consequence of the fact that a characteristic variety de0ned from the order 0ltration is involutive. More explicitly, we consider a… (More)

- Gregory G. Smith
- J. Symb. Comput.
- 2000

Let X be a projective scheme and let M and N be two coherent OX -modules. Given an integer m, we present an algorithm for computing the global extension module ExtX (M,N ). As a consequence, one may calculate the sheaf cohomology Hm(X,N ) and construct the sheaf corresponding to an element of the module ExtX(M,N ). This algorithm depends only on the… (More)

- GREGORY G. SMITH
- 1999

Let X be a projective scheme; let M and N be two coherent OX modules. Given an integer m, we present an algorithm for computing the global extension module Ext(X;M,N ). In particular, this allows one to calculate the sheaf cohomology H(X,N ) and to construct the sheaf corresponding to an element of the module Ext(X;M,N ). This algorithm can be implemented… (More)

Generalizing toric varieties, we introduce toric Deligne-Mumford stacks which correspond to combinatorial data. The main result in this paper is an explicit calculation of the orbifold Chow ring of a toric Deligne-Mumford stack. As an application, we prove that the orbifold Chow ring of the toric Deligne-Mumford stack associated to a simplicial toric… (More)

- Tomer Ventura, Utpal Bose, +4 authors Abigail Elizur
- The Journal of steroid biochemistry and molecular…
- 2017

Cytochrome P450s (CYP450s) are a rapidly evolving family of enzymes, making it difficult to identify bona fide orthologs with notable lineage-specific exceptions. In ecdysozoans, a small number of the most conserved orthologs include enzymes which metabolize ecdysteroids. Ecdysone pathway components were recently shown in a decapod crustacean but with a… (More)

- Quinn P Fitzgibbon, Cedric J Simon, Gregory G Smith, Chris G Carter, Stephen C Battaglene
- Comparative biochemistry and physiology. Part A…
- 2017

We examined the effects of temperature on the growth, feeding, nutritional condition and aerobic metabolism of juvenile spiny lobster, Sagmariasus verreauxi, in order to determine if temperature acclimated aerobic scope correlates with optimum for growth and to establish the thermal tolerance window for this emerging aquaculture species. Juvenile lobsters… (More)

- Daniel Erman, Gregory G. Smith, Anthony Várilly-Alvarado
- J. Comb. Theory, Ser. A
- 2011

Article history: Received 24 August 2009 Available online 25 February 2010

Monomial ideals form an important link between commutative algebra and combinatorics. In this chapter, we demonstrate how to implement algorithms in Macaulay 2 for studying and using monomial ideals. We illustrate these methods with examples from combinatorics, integer programming, and algebraic geometry.

- H E A Campbell, A V Geramita, I P Hughes, G G Smith, L Wehlau
- 2007

We study the Hilbert polynomials of non-standard graded algebras R, that are finitely generated on generators not all of degree one. Given an expression P (R, t) = a(t)/(1 − t) for the Poincaré series of R as a rational function, we study for 0 ≤ i ≤ l the graded subspaces ⊕kRkl+i (which we denote R[l; i]) of R, in particular their Poincaré series and… (More)