In this study, analytical solution is presented to calculate the free vibration frequencies of nonuniform microbeams. Scale effects are modelled using modified couple stress theory and the microbeam is assumed to be thin while Poisson's ratio effects are also taken into account. Nonuniformity is presented by exponentially varying width among the microbeam while the thickness remains constant. R...

We study the concept of bribery in the situation where voters are willing to change their votes as we ask them, but where their prices depend on the nature of the change we request. Our model is an extension of the one of Faliszewski et al. [FHH06], where each voter has a single price for any change we may ask for. We show polynomial-time algorithms for our version of bribery for a broad range ...

In a model of the cerebellar granular layer, pairs of neurons aligned along the parallel "ber axis "red synchronized over long distances provided the a!erent mossy "bers were spatially uniformly excited. Here, we applied a nonuniform mossy "ber input pattern and found that local patches of increased granule cell activity were sharpened by the feedback inhibition which granule cells received fro...

In this correspondence, we discuss periodic nonuniform sampling as described by Yen. Such a sampling scheme is more sensitive to additive white noise than uniform sampling. We give here an explicit formula for the noise amplification of periodic nonuniform sampling compared with uniform sampling.

We pres ent a new "knowledge-based nonuniform crossover" opera tor for genet ic algorit hms that generalizes uniform crossover. We ext end this to "Dynamic knowledge-based nonuniform crossover ," which const antly updates the knowledge ext racted t hus far from the environment 's feedb ack on previously generated chromosomes. Knowledge-based nonu niform crossover can improve on good solutions p...

A nonuniform multi-Gabor expansion (MGE) scheme is studied under proportional time and fi'equency (TF) shifts among different window indices m. In particular, TF parameters for each m are different, but proportional and relevant to windows' TF patterns. The generation of synthesis waveforms for nonuniform MGE is generally difficult. 'Ne show constructively that there is a set of basic synthesis...