The evolution of data such as changes in the underlying model known as concept drift present many challenges for data stream research. Currently most drift detection methods are able to locate the point of change, but are unable to provide meaningful information on the characteristics of change or utilize historical trends. In this thesis, we investigate two streams of research: (1) the magnitu...

We present studies of the formation silver nanoparticles (NPs) in silver-sodium ion-exchanged glasses by a combination thermal poling and nanosecond pulsed laser irradiation at 355 nm. In poling, ions drift deeper into glass become separated from surface poled layer depleted cations. Performed measurements have indicated poling-induced broadening depth distribution. Laser reduces to atomic via ...

We describe a technique for measuring the water vapor supersaturation of normal air over a temperature range of 240&T&0 °C. The measurements use an inexpensive commercial hygrometer which is based on a thin-film capacitive sensor. The time required for the sensor to reach equilibrium was found to increase exponentially with decreasing sensor temperature, exceeding 2 min for T5230 °C; however, t...

In this paper, we study quasi-stationarity for a large class of Kolmogorov diffusions. The main novelty here is that we allow the drift to go to −∞ at the origin, and the diffusion to have an entrance boundary at +∞. These diffusions arise as images, by a deterministic map, of generalized Feller diffusions, which themselves are obtained as limits of rescaled birth–death processes. Generalized F...

Many studies report clinical and EEG findings in tumors of deep cerebral structures. It is contended in the main that clinical and radiological data are more useful for diagnosis and localization of such lesions than EEG findings. Workers largely agree on the character and localizing value of EEG in patients with tumors in or near the upper convexity of the brain but they report varied opinions...

Mass spectrometry imaging (MSI) by laser ablation electrospray ionization (LAESI) enables the lateral mapping of molecular distributions in untreated biological tissues. However, direct sampling and ionization by LAESI–MSI limits the differentiation of isobaric ions (e.g., structural isomers) in a complex sample. Ionmobility separation (IMS) of LAESI-generated species is sufficiently fast to be...

Spontaneous reports of oscillopsia are rare in cases of congenital nystagmus (CN). We examined the relationship between nystagmus waveform characteristics and oscillopsia in one such case. To reduce the patient's nystagmus, she was fitted with contact lenses. We examined the effects of tactile feedback by applying local anesthetic while she wore the lenses. When she was without lenses, we provi...

Despite substantial attention from theoreticians, the evolutionary mechanisms that drive intra- and interspecific variation in the mutation rate remain unclear. It has often been argued that mutation rates associated with the major replicative polymerases have been driven down to their physiological limits, defined as the point at which further enhancement in replication fidelity incurs a cost ...

A deep genetic cline between southern populations of the barnacle Balanus glandula (from about Monterey Bay southward) and northern populations (from northern California through Alaska) has recently been described. If this pattern is due to historical isolation and genetic drift, we expect it to have formed recently and represent a transient, nonequilibrium state. However, this cline appears to...

For populations with geographic substructure and selectively neutral genetic data, the short term dynamics is a balance between migration and genetic drift. Before xation of any allele, the system enters into a quasi equilibrium (QE) state. Hössjer and Ryman (2012) developed a general QE methodology for computing approximations of spatial autocorrelations between subpopulations, subpopulation d...