Digital Commons Network^™

Analysis Of A Two Level Asynchronous Algorithm For Pdes, John R. Rice, Dan C. Marineseu

Department of Computer Science Technical Reports

No abstract provided.

Composite Graph Coloring Algorithms And Applications, Stephen Hong Seng Yek, Billy E. Gillett

Computer Science Technical Reports

A vertex-composite graph is a graph that can have unequal chromaticities on its vertices. Vertex-composite graph coloring or composite graph coloring involves coloring each vertex of a composite graph with consecutive colors according to the vertex's chromaticity with no two vertices adjacent to one another having the same color(s).

New heuristic algorithms including the use of the saturation degree method have been developed in this research. All eleven heuristic algorithms including Clementson and Elphick algorithms were then tested using random composite graphs with five different chromaticity distributions. The best algorithm which uses the least average colors from the experiment is …

A User Guide To The Algorithm Mapper: A System For Modeling And Evaluating Parallel Applications/Architecture Pairs, C. E. Houstis, Elias N. Houstis, John R. Rice, S. M. Samartizis, D.L. Alexandrakis

Department of Computer Science Technical Reports

No abstract provided.

Simulation Of The Polarizable-Ion Dynamics Of Rb2Zncl4, P. J. Edwardson, John R. Hardy

John R. Hardy Papers

The promotion yet prevention of structural stability in the paraelectric phase of Rb₂ZnCl₄ by ionic polarizability is explored with both constant-lattice and variable-lattice simulations. As many as 168 ions ( 3 x 1 x 2 cells) under periodic boundary constraints are allowed to polarize in nonlinear response to forces which are obtained from the electron-gas model of Gordon and Kim. No assumption about the rigidity of the ZnCl₄^2- ion is made. The cause of polarization catastrophe in linear models is examined, and a cure is implemented via nonlinearity of the dipole moment versus field strength. …

Experimenal Evaluation Of Concurrent Checkpointing And Rollback-Recovery Algorithms, Bharat Bhargava, Pei-Jyun Leu, Shy-Renn Lian

Department of Computer Science Technical Reports

No abstract provided.

Santa Clara Magazine, Volume 30 Number 4, Summer 1988, Santa Clara University

Santa Clara Magazine

12 - CARING FOR AGING PARENTS As Americans live longer, children find themselves making decisions for their parents.

16 - KIDNAPPED IN BEIRUT Charles Glass '72 writes about his 62 days of captivity and his escape to freedom.

20 - A MARK OF SUCCESS Mark Alsterlind '76, living in Van Gogh's hometown, pursues his dream to be a painter.

24 - GIFT OF THE MAGUS A wise man from England brought gifts still warmly treasured by Santa Clara.

26 - IS BRAINWASHING POSSIBLE? An absorbing interview on mind control with law professor Alan Scheflin.

Locally Finite Families, Completely Separated Sets And Remote Points, Melvin Henriksen, Thomas J. Peters

All HMC Faculty Publications and Research

It is shown that if X is a nonpseudocompact space with a σ-locally finite π-base, then X has remote points. Within the class of spaces possessing a σ-locally finite π-base, this result extends the work of Chae and Smith, because their work utilized normality to achieve complete separation. It provides spaces which have remote points, where the spaces do not satisfy the conditions required in the previous works by Dow, by van Douwen, by van Mill, or by Peters.

The lemma: "Let X be a space and let {Cε: € < α} be a locally finite family of cozero sets of X. Let {Zε: € < α } be a family of zero sets of X such that for each € < α, Zε с Cε. Then ∪_ε<α Zε is completely separated from X/∪εCε", is a fundamental …

Flows: Performance Guarantees In Best Effort Delivery Systems, Douglas E. Comer, Rajendra Yavatkar

Department of Computer Science Technical Reports

No abstract provided.

Atamm Multicomputer System Design, William Robert Tymchyshyn

Electrical & Computer Engineering Theses & Dissertations

The Algorithm To Architecture Mapping Model, or ATAMM, is a graph theoretic design methodology that has been created to resolve design and performance issues involved with concurrent processing. Petri-net marked graphs are used to represent the computational environment.

This thesis describes the development of a multicomputer system which will operate within the bounds specified by the ATAMM model. The system is first designed and implemented using the framework of standard multicomputer design theory. A validation is then performed by the comparison of the system's computational performance to results predicted by ATAMM. This validation is shown to be successful for three …

Economic Considerations For Artificial Reef Development In Coastal Virginia, Dean Thomas Devereaux

OES Theses and Dissertations

The contingent valuation method, recommended by the U. S. Water Resources Council, was used to estimate the economic value of sport fishing and diving at the Chesapeake Light Tower Artificial Reef. The study is based on a random sample of 170 anglers and 33 divers who participated in telephone, personell and mail-in surveys in 1985 and 1986.

The average user value (consumer surplus) was $21.13, $110,75, and $13.30 for head boat anglers, private boat anglers and sport divers, respectively, who claimed to have used the reef in 1985. Variation in consumer surplus was statistically affected by trip expense, distance from …

Computer Use In The Warren County Riii School District: A Proposal For The Implementation Of A Computer Lab Program In The Elementary School, Debbie Reese

Theses

A problem faced by many schools in the 1980s is how to approach computer ir1struction in the elementary grades. Schools have moved into a new technological realm with the advent of the modern microcomputer. The focus of this project was to investigate current trends in computer education in the elementary grades in respect to computer placement within the schools and content of computer education programs. The paper addresses, specifically, the lack of a computer program in the Warren County RIII School District and the rationale for developing a computer lab in the elementary school. An interim plan is also proposed, …

Dynamics Of Antimatter-Atom Collisions, R. E. Olson, Timothy J. Gay

Timothy J. Gay Publications

Classical-trajectory Monte Carlo calculations have been used to study ionizing collisions between charged particles (p, p̅ , ℯ⁺, ℯ^-) and He atoms at an incident velocity of 2.83 a.u. While differences in the total single-ionization cross sections for these projectiles are small, our calculations reveal large effects at all angles in the ionized electron spectra, and provide qualitative evidence for a Barkas effect in p and p̅ collisions. Experimental data agree well with our fully classical calculations, including cross sections involving ejected electrons of long wavelength.

Dc-Free Coset Codes, Robert H. Deng, M. A. Herro

Research Collection School Of Computing and Information Systems

An upper bound on the bit-error probability (BEP) of a linear cyclic code over GF(2l) with hard-decision (HD) maximum-likelihood (ML) decoding on memoryless symmetric channels is derived. Performance results are presented for Reed-Solomon codes on GF(32), GF(64), and GF(128). Also, a union upper bound on the BEP of a linear cyclic code with either hard- or soft-decision ML decoding is developed, as well as the corresponding bounds for the extended code of a linear cyclic code. Using these bounds, which are tight at low bit error rate, the performance advantage of soft-decision (SD) ML and HD ML over bounded-distance (BD) …

A Geochemical Study Of The Eagle Creek Formation In The Columbia River Gorge, Oregon, Rachel Ann Carlin

Dissertations and Theses

The Early Miocene Eagle Creek Formation, a series of volcanic mudflows and debris flows, is exposed in the Columbia River Gorge about 64 kilometers east of Portland, Oregon. Eighty-seven samples were analyzed using instrumental neutron activation analysis for trace element concentrations. Eleven samples were analyzed by Dr. Peter Hooper at Washington State University using X-ray Fluorescence for major element chemistry. These data were used to determine that the Eagle Creek Formation compositionally ranges from andesite to dacite.

A Generic Algorithm For Transaction Processing During Network Partitioning, Bharat Bhargava, Shirley Browne

Department of Computer Science Technical Reports

No abstract provided.

Engineering The Object-Relation Database Model In O-Raid, Bharat Bhargava, Prasun Dewan, Stephen Leung

Department of Computer Science Technical Reports

No abstract provided.

Seth: A Quorum-Based Replicated Database System For Experimentation With Failures, Bharat Bhargava, Abdelsalam Helal, Jagannathan Srinivasan

Department of Computer Science Technical Reports

No abstract provided.

Three Experiments In Reliable Transaction Processing In Raid, Bharat Bhargava, Fady Lamaa, Pei-Jyun Leu, John Riedl

Department of Computer Science Technical Reports

No abstract provided.

The Montana Reserved Water Rights Compact Commission, Marcia Beebe Rundle

Natural Resource Development in Indian Country (Summer Conference, June 8-10)

27 pages.

Contains references.

Resources Development On Navajo: The Dineh Power Project, Donald R. Wharton

Natural Resource Development in Indian Country (Summer Conference, June 8-10)

42 pages (includes illustrations and maps).

Environmental Regulation On Indian Reservations, B. Kevin Gover

Natural Resource Development in Indian Country (Summer Conference, June 8-10)

45 pages.

Agenda: Natural Resource Development In Indian Country, University Of Colorado Boulder. Natural Resources Law Center

Natural Resource Development in Indian Country (Summer Conference, June 8-10)

Conference organizers and/or faculty included University of Colorado School of Law professors David H. Getches, Charles F. Wilkinson, Lawrence J. MacDonnell and Richard B. Collins.

Indian reservations constitute about 2.5% of all land in the country and 5% of all land in the American West. During the last two decades, Indian natural resources issues have moved to the forefront as tribal governments have dramatically expanded their regulatory programs, judicial systems. and resource development activities. This major symposium will address current developments and assess likely future directions in the areas of tribal, federal, and state regulation; tribal-state intergovernmental agreements; financing; mineral …

The Process Of Decision-Making In Tribal Courts, Tom Tso

Natural Resource Development in Indian Country (Summer Conference, June 8-10)

11 pages.

Estimating Lower Bounds On Buffer Sizes For A Packet Switch, Douglas E. Comer, Rajendra Yavatkar

Department of Computer Science Technical Reports

No abstract provided.

Federal Groundwater Quality Control: Law And Policy, Robert L. Glicksman

Water Quality Control: Integrating Beneficial Use and Environmental Protection (Summer Conference, June 1-3)

56 pages.

Contains references.

A Practitioner’S Perspective On Section 404 Permitting—Or—How To Survive The Daze From The Hazy Maze, Marcia M. Hughes

Water Quality Control: Integrating Beneficial Use and Environmental Protection (Summer Conference, June 1-3)

17 pages.

Contains footnotes and references.

Long-Term Reconstruction And Analysis Of White River Streamflow, M. K. Cleaveland, D. W. Stahle, J. G. Hehr

Arkansas Water Resources Center Technical Reports

A 281-year reconstruction of White River annual runoff at Clarendon, Arkansas, was developed from a regional average of nine Oklahoma, Missouri, and Arkansas tree-ring chronologies (six post oak, Quercus stellata, and three baldcypress, Taxodium distichum). Inhomogeneity of the gaged series was detected with both double mass analysis (using state average total annual Arkansas precipitation) and regression (using the regional tree-ring average). Simple regression calibrated the homogeneous runoff data with the average ring width data from 1930 to 1980. Comparing the reconstruction with independent data verified the regression model. Variance of the reconstruction increases significantly during the 20th century, a change …

Formation Of Ground And Excited States Of Antihydrogen, Sultana N. Nahar, J M. Wadehra

Physics and Astronomy Faculty Research Publications

Differential and integrated cross sections for the formation of antihydrogen by the impact of intermediate-energy (20–500 keV) antiprotons on positronium are calculated using the first Born approximation. The calculations are carried out for the formation of antihydrogen in ground and various excited electronic states (n=1–3) when positronium, the target atom, is in the ground state, and for the formation of antihydrogen in the ground state when the positronium is in various excited electronic states (n=1–2). The 1/n^3 behavior for the capture cross sections is used to calculate the total (that is, all states added together) integrated cross sections. The cross …

An Ongoing Survey Of Halodule Wrightii, Ruppia Maritima And The Alga, Caulerpa Prolifera, In Hillsborough Bay, Florida, City Of Tampa Department Of Sanitary Sewers

Reports

The Bay Study Group intends to periodically monitor seagrass coverage, seagrass speciecs composition, and C. prolifera coverage within Hillsborough Bay and adjacent waters. Potential relationships between various environmental parameters and seagrass coverage will be investigated. Results should provide valuable information concerning natural seagrass renewal and rates of seagrass growth. Such information is much needed in order to make sound decisions concerning seagrass restoration and viable mitigation options.

Rimforest Landslides, San Bernardino Mountains, Southern California, David L. Hanson

Loma Linda University Electronic Theses, Dissertations & Projects

The highly visible erosional scars near the crest of the San Bernardino Mountains just east of Strawberry Peak near the community of Rimforest are active landslides. From at least the 1920's to 1988 the primary activity has been mass wasting by rockfall in highly fractured quartz monzonite. Tension cracks in the adjacent area indicate that active landsliding may be spreading. Landsliding in this area had its origin most likely with the uplift of the San Bernardino Mountains and has continued with periods of active movement associated with heavy precipitation and seismic activity separated by long periods of dormancy. The geomorphology …