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Search Results: 1 - 10 of 1571 matches for " Cerease Nevins-Bennett "
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Am I Motivated? A Look at the Motivation Styles, Symptoms and Working Conditions that Best Motivate Human Resource Practitioners in Jamaica  [PDF]
Cerease Nevins-Bennett
Journal of Human Resource and Sustainability Studies (JHRSS) , 2013, DOI: 10.4236/jhrss.2013.14010
Abstract: Human Resource Practitioners, like any other employees within organizations having different motivation styles, are faced with various motivational problems, and are exposed to different working conditions that best motivate them. The environment and factors greatly influence the motivational levels of these practitioners and thus job satisfaction and engagement are affected. This paper outlines the motivation problems experienced by three persons in their work environment and gives suggestions as to the strategies necessary to deal with them. The Pritchard Motivation Symptoms Questionnaire, the Conner Motivation Style Assessment and the Spitzer Motivation Self Assessment Questionnaire were used in the study. Results show that goal orientated and learning oriented motivation styles are best practiced by participants neglecting the relationship motivation style. These Participants were either highly motivated or had experienced some motivation problems. They had major desires for power, achievement, ownership, and competence. Inter-item correlation revealed a statistically significant relationship between desires for activity, competence, power and achievement, which were highly correlated.
Stochastic E2F Activation and Reconciliation of Phenomenological Cell-Cycle Models
Tae J. Lee,Guang Yao,Dorothy C. Bennett,Joseph R. Nevins,Lingchong You
PLOS Biology , 2012, DOI: 10.1371/journal.pbio.1000488
Abstract: The transition of the mammalian cell from quiescence to proliferation is a highly variable process. Over the last four decades, two lines of apparently contradictory, phenomenological models have been proposed to account for such temporal variability. These include various forms of the transition probability (TP) model and the growth control (GC) model, which lack mechanistic details. The GC model was further proposed as an alternative explanation for the concept of the restriction point, which we recently demonstrated as being controlled by a bistable Rb-E2F switch. Here, through a combination of modeling and experiments, we show that these different lines of models in essence reflect different aspects of stochastic dynamics in cell cycle entry. In particular, we show that the variable activation of E2F can be described by stochastic activation of the bistable Rb-E2F switch, which in turn may account for the temporal variability in cell cycle entry. Moreover, we show that temporal dynamics of E2F activation can be recast into the frameworks of both the TP model and the GC model via parameter mapping. This mapping suggests that the two lines of phenomenological models can be reconciled through the stochastic dynamics of the Rb-E2F switch. It also suggests a potential utility of the TP or GC models in defining concise, quantitative phenotypes of cell physiology. This may have implications in classifying cell types or states.
Stochastic E2F Activation and Reconciliation of Phenomenological Cell-Cycle Models
Tae J. Lee,Guang Yao,Dorothy C. Bennett,Joseph R. Nevins,Lingchong You
PLOS Biology , 2010, DOI: 10.1371/journal.pbio.1000488
Abstract: The transition of the mammalian cell from quiescence to proliferation is a highly variable process. Over the last four decades, two lines of apparently contradictory, phenomenological models have been proposed to account for such temporal variability. These include various forms of the transition probability (TP) model and the growth control (GC) model, which lack mechanistic details. The GC model was further proposed as an alternative explanation for the concept of the restriction point, which we recently demonstrated as being controlled by a bistable Rb-E2F switch. Here, through a combination of modeling and experiments, we show that these different lines of models in essence reflect different aspects of stochastic dynamics in cell cycle entry. In particular, we show that the variable activation of E2F can be described by stochastic activation of the bistable Rb-E2F switch, which in turn may account for the temporal variability in cell cycle entry. Moreover, we show that temporal dynamics of E2F activation can be recast into the frameworks of both the TP model and the GC model via parameter mapping. This mapping suggests that the two lines of phenomenological models can be reconciled through the stochastic dynamics of the Rb-E2F switch. It also suggests a potential utility of the TP or GC models in defining concise, quantitative phenotypes of cell physiology. This may have implications in classifying cell types or states.
Thinking Out of Bounds: A Critical Analysis of Academic and Human Rights Writings on Migrant Deaths in the U.S.-Mexico Border Region
Joseph Nevins
Migraciones internacionales , 2003,
Abstract:
On Rational Nilpotent Orbits of $SL_{n}$ and $Sp_{2n}$ over a Local Non-Archimedean Field
Monica Nevins
Mathematics , 2007,
Abstract: We relate the partition-type parametrization of rational (arithmetic) nilpotent adjoint orbits of the split classical groups $SL_n$ and $Sp_{2n}$ over local non-Archimedean fields with a parametrization, introduced by DeBacker in 2002, which uses the associated Bruhat-Tits building to relate the question to one over the residue field.
Mirabolic Langlands duality and the quantum Calogero-Moser system
Thomas Nevins
Mathematics , 2008,
Abstract: We give a generic spectral decomposition of the derived category of twisted D-modules on a moduli stack of mirabolic vector bundles on a curve X in characteristic p: that is, we construct an equivalence with the derived category of quasi-coherent sheaves on a moduli stack of mirabolic local systems on X. This equivalence may be understood as a tamely ramified form of the geometric Langlands equivalence. When X has genus 1, this equivalence generically solves (in the sense of noncommutative geometry) the quantum Calogero-Moser system.
On Branching Rules of Depth-Zero Representations
Monica Nevins
Mathematics , 2013,
Abstract: Using Bruhat-Tits theory, we analyse the restriction of depth-zero representations of a semisimple simply connected $p$-adic group $G$ to a maximal compact subgroup $K$. We prove the coincidence of branching rules within classes of Deligne-Lusztig supercuspidal representations. Furthermore, we show that under obvious compatibility conditions, the restriction to $K$ of a Deligne-Lusztig supercuspidal representation of $G$ intertwines with the restriction of a depth-zero principal series representation in infinitely many distinct components of arbitrarily large depth. Several qualitative and quantitative results are obtained, and their use is illustrated in an example.
Descent of coherent sheaves and complexes to geometric invariant theory quotients
Thomas Nevins
Mathematics , 2002,
Abstract: Fix a scheme $X$ over a field of characteristic zero that is equipped with an action of a reductive algebraic group $G$. We give necessary and sufficient conditions for a $G$-equivariant coherent sheaf on $X$ or a bounded-above complex of $G$-equivariant coherent sheaves on $X$ to descend to a good quotient $X//G$. This gives a description of the coherent derived category of $X//G$ as an admissible subcategory of the equivariant derived category of $X$.
Restricting Toral Supercuspidal Representations to the Derived Group, and Applications
Monica Nevins
Mathematics , 2014,
Abstract: We determine the decomposition of the restriction of a length-one toral supercuspidal representation of a connected reductive group to the algebraic derived subgroup, in terms of parametrizing data, and show this restriction has multiplicity one. As an application, we determine the smooth dual of the unit group of the integers $\mathcal{O}_D^\times$ of a quaternion algebra $D$ over a $p$-adic field $F$, for $p\neq 2$, as a consequence of determining the branching rules for the restriction of representations $D^\times \supset \mathcal{O}_D^\times \supset D^1$.
Branching Rules for Supercuspidal Representations of SL_2(k)
Monica Nevins
Mathematics , 2012, DOI: 10.1016/j.jalgebra.2012.12.003
Abstract: The restriction of a supercuspidal representation of SL_2(k), for k a local nonarchimedean field, to a maximal compact subgroup decomposes as a multiplicity-free direct sum of irreducible representations. We explicitly describe this decomposition in the case that the residual characteristic is odd, and determine how the spectrum of this decomposition varies as a function of the parameters describing the supercuspidal representation.
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