Physical Sciences and Mathematics Commons^™

Home Networking, George K. Thiruvathukal

Computer Science: Faculty Publications and Other Works

My coeditors (Paul Dubois and Konstantin Läufer) and I are among a growing number of individuals who install and maintain a home computer network. When Paul and I first discussed the idea of writing an article about the subject several months ago, my first thought was that you--our cherished readers-might consider this whole notion so trivial as to not be worthy of a column that focuses mostly on scientific programming and software development topics. But based on the realization that we three computer scientists devote a significant part of our time to network and system administration, it almost goes without …

Reliability Modeling In Spatially Distributed Logistics System, Ni Wang, Jye-Chyi Lu, Paul H. Kvam

Department of Math & Statistics Faculty Publications

This article proposes methods for modeling service reliability in a supply chain. The logistics system in a supply chain typically consists of thousands of retail stores along with multiple distribution centers (DC). Products are transported between DC & stores through multiple routes. The service reliability depends on DC location layouts, distances from DC to stores, time requirements for product replenishing at stores, DC's capability for supporting store demands, and the connectivity of transportation routes. Contingent events such as labor disputes, bad weather, road conditions, traffic situations, and even terrorist threats can have great impacts on a system's reliability. Given the …

A Logistic Regression/Markov Chain Model For Ncaa Basketball, Paul H. Kvam, Joel Sokol

Department of Math & Statistics Faculty Publications

Each year, more than $3 billion is wagered on the NCAA Division I men’s basketball tournament. Most of that money is wagered in pools where the object is to correctly predict winners of each game, with emphasis on the last four teams remaining (the Final Four). In this paper, we present a combined logistic regression/Markov chain model for predicting the outcome of NCAA tournament games given only basic input data. Over the past 6 years, our model has been significantly more successful than the other common methods such as tournament seedings, the AP and ESPN/USA Today polls, the RPI, and …

Statistical Reliability With Applications, Paul H. Kvam, Jye-Chyi Lu

Department of Math & Statistics Faculty Publications

This chapter reviews fundamental ideas in reliability theory and inference. The first part of the chapter accounts for lifetime distributions that are used in engineering reliability analyis, including general properties of reliability distributions that pertain to lifetime for manufactured products. Certain distributions are formulated on the basis of simple physical properties, and other are more or less empirical. The first part of the chapter ends with a description of graphical and analytical methods to find appropriate lifetime distributions for a set of failure data.

The second part of the chapter describes statistical methods for analyzing reliability data, including maximum likelihood …

Countable Short Recursively Saturated Models Of Arithmetic, Erez Shochat

Dissertations, Theses, and Capstone Projects

Short recursively saturated models of arithmetic are exactly the elementary initial segments of recursively saturated models of arithmetic. Since any countable recursively saturated model of arithmetic has continuum many elementary initial segments which are already recursively saturated, we turn our attention to the (countably many) initial segments which are not recursively saturated. We first look at properties of countable short recursively saturated models of arithmetic and show that although these models cannot be cofinally resplendent (an expandability property slightly weaker than resplendency), these models have non-definable expansions which are still short recursively saturated.

Development Of The Maryland Shoreline Inventory Methods And Guidelines For Queen Anne’S County, Marcia Berman, Harry Berquist, Sharon Killeen, Karinna Nunez, Karen Reay, Tamia Rudnicky, Daniel E. Schatt, David Weiss

Reports

No abstract provided.

Development Of The Maryland Shoreline Inventory Methods And Guidelines For Anne Arundel County, Marcia Berman, Harry Berquist, Sharon Killeen, Karinna Nunez, Karen Reay, Tamia Rudnicky, Daniel E. Schatt, David Weiss

Reports

No abstract provided.

Mariner Perceptions Regarding The Display Of Uncertainty On Nautical Charting Products, Brian Heap

Center for Coastal and Ocean Mapping

No abstract provided.

A Multibeam Survey Of Mid-Seneca Lake: Bathymetry, Backscatter, And Invasive Species, Thomas C. Weber, Anthony P. Lyons

Center for Coastal and Ocean Mapping

No abstract provided.

Automated Generation Of Geo-Referenced Mosaics From Video Collected By Deep Submergence Vehicles: An Example From Rosebud Vent (Galapagos Rift), Stace E. Beaulieu, Tim M. Shank, Adam Soule, D J. Fornari, Yuri Rzhanov, Larry A. Mayer

Center for Coastal and Ocean Mapping

No abstract provided.

Synthesis Of An Aza-Cope Rearrangement - Mannich Cyclization Precursor From L-Proline, Patricia T. Sinawe

Senior Honors Theses and Projects

No abstract provided.

Lipid Metabolism In A549 And 9hte Cells Quantitation Of Lipid Peroxidation, Elizabeth Quintus

Senior Honors Theses and Projects

No abstract provided.

Coalgebras And Their Logics, Alexander Kurz

Engineering Faculty Articles and Research

"Transition systems pervade much of computer science. This article outlines the beginnings of a general theory of specification languages for transition systems. More specifically, transition systems are generalised to coalgebras. Specification languages together with their proof systems, in the following called (logical or modal) calculi, are presented by the associated classes of algebras (e.g., classical propositional logic by Boolean algebras). Stone duality will be used to relate the logics and their coalgebraic semantics."

2006 Vegetation Survey Of The Valentine National Wildlife Refuge, Robert F. Steinauer

Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts

The Valentine National Wildlife Refuge (VNWR), located in north central Cherry County, was established in 1934. Tolstead (1942) studied the grasslands of northern Cherry County, (including the Valentine National Wildlife Refuge) with a focus on describing the dominant species of grassland types and determining the relationships between vegetation distribution and environmental variables and management practices. Additional studies have been conducted by refuge staff on the effects of management, particularly grazing, on vegetation structure. The purpose of this study was to: (1) document all vascular plant species present on the refuge; (2) collect data on rare plant species and high-quality native …

Seventh Kenneth C. Schraut Memorial Lecture (Poster), University Of Dayton. Department Of Mathematics

Kenneth C. Schraut Memorial Lectures

No abstract provided.

The Role Of Biostatistics In Medical Devices: Making A Difference In People’S Lives Every Day (Abstract), Gregory Campbell

Kenneth C. Schraut Memorial Lectures

Statistics plays a key role in society in general and, in particular, in the fields of biology and medicine.

Radioactive 26al And Massive Stars In The Galaxy, Roland Diehl, Hubert Halloin, Karsten Kretschmer, Giselher G. Lichiti, Volker Schönfelder, Andrew W. Strong, Andreas Von Kienlin, Wei Wang, Pierre Jean, Jürgen Knödlseder, Jean-Pierre Roques, Georg Weidenspointner, Stephane Schanne, Dieter H. Hartmann, Christoph Winkler, Cornelia Wunderer

Publications

Gamma-rays from radioactive 26Al (half life ~7.2 105 yr) provide a 'snapshot' view of ongoing nucleosynthesis in the Galaxy1. The Galaxy is relatively transparent to such gamma-rays, and emission has been found concentrated along the plane of the Galaxy2. This led to the conclusion1 that massive stars throughout the Galaxy dominate the production of 26Al. On the other hand, meteoritic data show locally-produced 26Al, perhaps from spallation reactions in the protosolar disk. Furthermore, prominent gamma-ray emission from the Cygnus region2,3 suggests that a substantial fraction of Galactic 26Al could originate in localized star-forming regions. Here we report high spectral resolution …

Date Palm (Phoenix Dactylifera L.) Tissue Culture: Type Of Contamination And Improvement Of Disinfestation Techniques, Mouza Nasser Al-Shamisi

Theses

Date palm (Phoenix dactylifera L.) cultivation in the United Arab Emirates (UAE) is considered one of the most important economic supports for the agricultural sector. Propagation of date palm by offshoots cannot satisfy the increasing demand of date palm trees, and high propagation rate can only be achieved using tissue culture techniques. However, one of the major problems of this technique is the failure of producing aseptic cultures, yielding to the loss of the explants at the initiation phase.

The objectives of this study were to develop a reliable disinfection technique of date palm explants at the initiation …

Tapeworms Of Elasmobranchs (Part Ii) A Monograph On The Diphyllidea (Platyhelminthes, Cestoda), Gaines Albert Tyler Ii

Bulletin of the University of Nebraska State Museum

The main objective of this monograph was a synthesis of the available knowledge on the diversity, systematics, host associations, and biogeography of the Diphyllidea. A thorough review of the literature resulted in the transfer of Diagonobothrium into Diphyllidea as a genus inquirendum. The genus Yogeshwaria was also transferred to Diphyllidea as a synonym of Echinobothrium. Its only species, E. nagabhushani n. comb., is considered to be a species inquirenda. New collections resulted in the description of a new species of Echinobothrium. Type and/or voucher specimens for 32 of 36 valid diphyllidean species (including the new species) …

Slow Dynamics At The Smeared Phase Transition Of Randomly Layered Magnets, Shellie Huether, Ryan Kinney, Thomas Vojta

Physics Faculty Research & Creative Works

We investigate a model for randomly layered magnets, viz., a three-dimensional Ising model with planar defects. The magnetic phase transition in this system is smeared because static long-range order can develop on isolated rare spatial regions. Here, we report large-scale kinetic Monte Carlo simulations of the dynamical behavior close to the smeared phase transition, which we characterize by the spin (time) autocorrelation function. In the paramagnetic phase, its behavior is dominated by Griffiths effects similar to those in magnets with point defects. In the tail region of the smeared transition the dynamics is even slower: the autocorrelation function decays like …

Software-Based Gradient Nonlinearity Distortion Correction, Thomas Seward Lee

Theses Digitization Project

The primary purpose of the thesis is to discuss the use of Magnetic Resonance Imaging (MRI) in functional proton radiosurgery. The methods presented in this thesis were specifically designed to correct gradient nonlinearity distortion, the single greatest hurdle that limits the deployment of MRI-based functional proton radiosurgery systems. The new system central in the thesis fully utilized MRI to provide localization of anatomical targets with submillimeter accuracy. The thesis provides analysis and solutions to the problems related to gradient nonlinearity distortion. The characteristics of proton radiosurgery are introduced, in addition to a discussion of its advantages over other current methods …

Analysis Of Psp-Like Processes For Software Engineering, Paul Jefferson Conrad

Theses Digitization Project

The purpose of this thesis is to provide the California State University, San Bernardino, Department of Computer Science with an analysis and recommended solution to improving the software development process.

A Web Accessible Clinical Patient Information Networked System, Andrew Yee Chang

Theses Digitization Project

Developed with the intention to make the patient data storage system in the clinical outpatient area more efficient, this system stores all pertinent and relevant patient data such as lab results, patient history and X-ray images. The system is accessible via the internet as well as operable over a local area network (LAN). The intended audience for this program is essentially the clinical staff (e.g., physicians, nursing staff, secretarial staff). The computer program was developed using Java Server Pages (JSP) and utilizes the Oracle 9i database.

Gauss-Bonnet Formula, Heather Ann Broersma

Theses Digitization Project

From fundamental forms to curvatures and geodesics, differential geometry has many special theorems and applications worth examining. Among these, the Gauss-Bonnet Theorem is one of the well-known theorems in classical differential geometry. It links geometrical and topological properties of a surface. The thesis introduced some basic concepts in differential geometry, explained them with examples, analyzed the Gauss-Bonnet Theorem and presented the proof of the theorem in greater detail. The thesis also considered applications of the Gauss-Bonnet theorem to some special surfaces.

Design Factors For The Communication Architecture Of Distributed Discrete Event Simulation Systems, Catharine Mcintire Hoaglund

Theses Digitization Project

The purpose of the thesis was to investigate the influence communication architecture decisions have on the performance of a simulation system with distributed components. In particular, the objective was to assess the relative importance of factors affecting reliability and variability of an external data interface to the performance of the simulation, as compared to factor within the simulation itself.

Investigation Of 4-Cutwidth Critical Graphs, Dolores Chavez

Theses Digitization Project

A 2004 article written by Yixun Lin and Aifeng Yang published in the journal Discrete Math characterized the set of a 3-cutwidth critical graphs by five specified elements. This project extends the idea to 4-cutwidth critical graphs.

Online Hotel Booking System, Junxian Wang

Theses Digitization Project

The Online Hotel Booking System was developed to allow customers to use a web browser to book a hotel, change the booking details, cancel the booking, change the personal profile, view the booking history, or view the hotel information through a GUI (graphical user interface). The system is implemented in PHP (Hypertext Preprocessor) and HTML (Hyper Text Markup Language).

A Faculty Development Handbook For Quality Online Instruction, Joan Carol Frese

CCE Theses and Dissertations

The offering of online classes has been growing at an incredible rate. Many institutions coerce their instructors into teaching online classes even if they are not prepared. If teachers are unprepared when they teach, there is a negative effect on the students and can jeopardize the reputation of the institution. In order to teach over the Internet, instructors need to learn new competencies. Students in online classes are usually not traditional students. In addition, there can be miscommunication in online classes, because there are no visual cues. Instructors need to learn new communication strategies as well as teaching strategies for …

Standards Directory: An Engineering And Technology Standards Digital Library And Information Retrieval System For The Walt Disney Company, Shawn Harrs

CCE Theses and Dissertations

Walt Disney Company (Company) engineers and architects utilize engineering and technology standards in the design, development, and maintenance of its physical infrastructure worldwide. There was a need to improve the methods by which Company standards are organized and retrieved. While the leading commercial information brokers for engineering and technology standards provide standards search engines and online standards catalogs, these search services are poor in supporting standards seekers who have only a general understanding of their information needs because their searches only utilize a standard's document number, title, and keywords as metadata for searching.

In order to provide a tool for …

Hausdorff Dimension, Loren Beth Nemeth

Theses Digitization Project

The purpose of this study was to define topological dimension and Hausdorff dimension, Namely metric space theory and measure theory. It was verified that in the sets of elementary geometry, the dimensions agree, while in the case of the fractals, the Hausdorff dimension is strictly larger than the topological dimension.