Harmonizable processes with spectral mass concentrated on a number of straight lines are considered. The asymptotic behavior of the bias and covariance of a number of spectral estimates is described. The results generalize those obtained for periodic and almost periodic processes.

Grain boundary segregation of boron in nickel has been investigated using secondary ion mass spectrometry and FIM-AP techniques. Preliminary results show that segregation is of the equilibrium type which means that boron was concentrated to a few atomic layers at the grain boundaries and that the amount of segregation increased with decreasing annealing temperature.

The strong asymptotics of monic extremal polynomials with respect to the norm Lp(σ) are studied. The measure σ is concentrated on the segment [−1, 1] plus a finite set of mass points in a region of the complex plane exterior to the segment [−1, 1]. 2000 Mathematics Subject Classification: 42C05, 30E15, 30E10.

The melting of polar ice sheets is a major contributor to global sea-level rise. Early estimates of the mass lost from the Greenland ice cap, based on satellite gravity data collected by the Gravity Recovery and Climate Experiment, have widely varied. Although the continentally and decadally averaged estimated trends have now more or less converged, to this date, there has been little clarity o...

Molecular dynamics (MD) simulations were used to study substrate recognition by the family 48 exocellulase CelF from Clostridium cellulolyticum. It was hypothesized that residues around the entrance of the active site tunnel of this enzyme might serve to recognize and bind the substrate through an affinity for the cellulose monomer repeat unit, β-d-glucopyranose. Simulations were conducted of t...

Title of Thesis: DOES SENSE OF COMMUNITY MEDIATE THE EFFECTS OF NEIGHBORHOOD DISADVANTAGE ON ADOLESCENT DRUG USE? Hua Yan, Master of Arts, 2013 Directed By: Professor Terence Thornberry, Department of Criminology and Criminal Justice This thesis examines the relationship between neighborhood disadvantage, sense of community, and adolescent drug use. Prior research has found that sense of commun...

BACKGROUND Social support is frequently linked to positive parenting behavior. Similarly, studies increasingly show a link between neighborhood residential environment and positive parenting behavior. However, less is known about how the residential environment influences parental social support. To address this gap, we examine the relationship between neighborhood concentrated disadvantage and...