New Lepton Family Symmetry and Neutrino Tribimaximal Mixing

The newly proposed finite symmetry Sigma(81) is applied to the problem of neutrino tribimaximal mixing. The result is more satisfactory than those of previous models based on A_4 in that the use of auxiliary symmetries (or mechanisms) may be avoided. Deviations from the tribimaximal pattern are expected, but because of its basic structure, only tan^2 (theta_12) may differ significantly from 0.5 (say 0.45) with sin^2 (2 theta_23) remaining very close to one, and theta_13 very nearly zero.Comment: 8 pages, no figur

Centers and Cocenters of 00-Hecke algebras

In this paper, we give explicit descriptions of the centers and cocenters of $0$-Hecke algebras associated to finite Coxeter groups.Comment: 13 pages, a mistake in 4.2 is correcte

Energy-Conserving Lattice Boltzmann Thermal Model in Two Dimensions

A discrete velocity model is presented for lattice Boltzmann thermal fluid dynamics. This model is implemented and tested in two dimensions with a finite difference scheme. Comparison with analytical solutions shows an excellent agreement even for wide temperature differences. An alternative approximate approach is then presented for traditional lattice transport schemes

Workforce size adjustment as a strategic response to exchange rate shocks: a strategy-tripod application to Chinese firms

How firms use workforce size adjustment as a strategic response to external shocks such as exchange-rate fluctuations is an important but not yet fully understood topic. To address the void in the literature, we apply the strategy tripod theoretical framework, which sees the external shocks as an industrial impact, the budget constraints as an institutional force, and the firm leverage as an organisational capability to examine the firms’ strategic response in terms of workforce size adjustment in the Chinese economy context. Based on longitudinal data of Chinese manufacturing firms, our analysis finds that facing exchange rate shocks, firms with hard budget constraint are more responsive in adjusting their workforce than firms with soft budget constraint. Furthermore, highly levered firms, with hard budget constraint, will adjust their workforce more aggressively than firms with less debt in their financial structure

Flower pollination algorithm: a novel approach for multiobjective optimization

Multiobjective design optimization problems require multiobjective optimization techniques to solve, and it is often very challenging to obtain high-quality Pareto fronts accurately. In this article, the recently developed flower pollination algorithm (FPA) is extended to solve multiobjective optimization problems. The proposed method is used to solve a set of multiobjective test functions and two bi-objective design benchmarks, and a comparison of the proposed algorithm with other algorithms has been made, which shows that the FPA is efficient with a good convergence rate. Finally, the importance for further parametric studies and theoretical analysis is highlighted and discussed