In the String-to-String Correction problem we are given two strings x and y and a positive integer k, and are asked whether it is possible to transform y into x with at most k single character deletions and adjacent character exchanges. We present a first simple fixed-parameter algorithm for Stringto-String Correction that runs in O∗(2k). Moreover, we present a search tree algorithm that exhibi...

For the Artin-Schreier curve y − y = f(x) defined over a finite field Fq of q elements, the celebrated Weil bound for the number of Fqr -rational points can be sharp, especially in supersingular cases and when r is divisible. In this paper, we show how the Weil bound can be significantly improved, using ideas from moment L-functions and Katz’s work on `-adic monodromy calculations. Roughly spea...

PART I CLONING TECHNIQUES 1 Cloning Neuropeptide Tyrosine cDNA Carolyn A. Worby ......................................................................... 3 2 Human Y1/Y5 Receptor Gene Cluster: Isolation and Characterization Herbert Herzog............................................................................ 13 3 HumanType 2 Neuropeptide Y Receptor Gene: Isolation and Characterization Davi...

In this paper, we prove the generalized Hyers-Ulam(or Hyers-Ulam-Rassias ) stability of the following composite functional equation f(f(x)-f(y))=f(x+y)+f(x-y)-f(x)-f(y) in various normed spaces.

Neuropeptide Y is implicated in the regulation of feeding in vertebrates, but recent studies in transgenic mice are contradictory. In this issue of Neuron, Wu et al. show a dual role for the Drosophila NPY (dNPF) in the developmental regulation of larval foraging and social behaviors, demonstrating a conserved role for this peptide in complex behaviors.

We used an improved cothermal evaporation route for the first time to achieve quaternary semiconductor nanostructured alloys, using an example of Zn(x)Cd(1-x)S(y)Se(1-y) nanobelts. The PL (bandgap) of these as-grown nanostructured alloys can be continuously tunable across the entire visible spectrum through experimentally controlling their compositions. Such widely controlled alloy nanostructur...

The double Fourier series of functions of the generalized bounded variation class {n/ ln(n + 1)}∗BV are shown to be Pringsheim convergent everywhere. In a certain sense, this result cannot be improved. In general, functions of class Λ∗BV, defined here, have quadrant limits at every point and, for f ∈ Λ∗BV, there exist at most countable sets P and Q such that, for x / ∈ P and y / ∈ Q, f is conti...