Digital Commons Network^™

Seasonal Variation In The Stable Isotopic Composition Of Precipitation In The Tropical Montane Forests Of Monteverde, Costa Rica, Amy L. Rhodes, Andrew J. Guswa, Silvia E. Newell

Engineering: Faculty Publications

Climate and land use change may diminish orographic clouds over tropical montane forests, stressing biota and water resources during dry seasons. From 2003 to 2005 we measured the stable isotopic composition of precipitation and throughfall in Monteverde, Costa Rica, to distinguish convective, wet season rainfall associated with the Intertropical Convergence Zone (ITCZ) from dry season, orographic rain produced by northeasterly trade winds. While event-to-event fluctuations of δ18O and δ2H are high, monthly samples reveal a seasonal signal that may be used to trace water through the hydrologic cycle. Deuterium excess indicates that water evaporated from land is an important flux …

Analysis Of Two-Dimensional Photoelectron Momentum Spectra And The Effect Of The Long-Range Coulomb Potential In Single Ionization Of Atoms By Intense Lasers, Zhangjin Chen, Toru Morishita, Anh-Thu Le, M. Wickenhauser, X. M. Tong, C. D. Lin

Physics Faculty Research & Creative Works

Two-dimensional (2D) electron momentum distributions and energy spectra for multiphoton ionization of atoms by intense laser pulses, calculated by solving the time-dependent Schrödinger equation (TDSE) for different wavelengths and intensities, are compared to those predicted by the strong-field approximation (SFA). It is shown that the momentum spectra at low energies between the TDSE and SFA are quite different and the differences arise largely from the absence of a long-range Coulomb interaction in the SFA. We further found that the low-energy 2D momentum spectra from the TDSE exhibit ubiquitous fanlike features where the number of stripes is due to a single …

K Α₁ Radiation From Heavy, Heliumlike Ions Produced In Relativistic Collisions, Andrey S. Surzhykov, Ulrich D. Jentschura, Th H. Stohlker, Stephan Fritzsche

Physics Faculty Research & Creative Works

Bound-state transitions in few-electron, heavy ions following radiative electron capture are studied within the framework of the density matrix theory and the multiconfiguration Dirac-Fock approach. Special attention is paid to the K α₁ (1 s_1/2 2 p_3/2 ^1.3P_J=1,2→1s²_1/2 ¹S_J=0) radiative decay of heliumlike uranium U⁹⁰⁺ projectiles. This decay has recently been observed at the GSI facility in Darmstadt, giving rise to a surprisingly isotropic angular distribution, which is inconsistent with previous experiments and calculations based on a "one-particle" model. We show that the unexpected isotropy essentially results from …

A Simplified Model For Growth Factor Induced Healing Of Wounds, F. J. Vermolen, E. Van Baaren, J. A. Adam

Mathematics & Statistics Faculty Publications

A mathematical model is developed for the rate of healing of a circular or elliptic wound. In this paper the regeneration, decay and transport of a generic 'growth factor', which induces the healing of the wound, is taken into account. Further, an equation of motion is derived for radial healing of a circular wound. The expressions for the equation of motion and the distribution of the growth factor are related in such a way that no healing occurs if the growth factor concentration at the wound edge is below a threshold value. In this paper we investigate the influence of …

Lsuhsc Facilities Biweekly Update: November 2006, Lsuhsc Property And Facilities Management

LSUHSC Facilities Biweekly Updates: 2006

LSUHSC Facilities Biweekly Updates from November 10 and 28, 2006.

These updates describe damage and a timeline of repairs at the LSU Health Sciences Center - New Orleans campus due to Hurricane Katrina which made landfall August 29, 2005.

Lsuhsc-New Orleans Dental School Campus: Timelines And Conditions That Impacted Recovery, Matt Gedge

LSUHSC Hurricane Katrina Archive: Reports & Presentations

"LSUHSC-New Orleans Dental School Campus: Timelines and Conditions That Impacted Recovery" is a 10-page document created by Matt Gedge (Director of Special Projects 1985-2020) on November 2, 2006.

This comprehensive and detailed report offers a bulleted timeline of damage and repairs (both completed and in progress) to the LSU Health Dental School - New Orleans campus from August 29, 2005 to November 2006. It also includes a timeline and generalized description of the immediate effect of Hurricane Katrina on the city, and the flood resulting from the failure of the federal levee system protecting Greater New Orleans.

An M/M/1 Retrial Queue With Unreliable Server, Nathan P. Sherman, Jeffrey P. Kharoufeh

Faculty Publications

We analyze an unreliable M/M/1 retrial queue with infinite-capacity orbit and normal queue. Retrial customers do not rejoin the normal queue but repeatedly attempt to access the server at i.i.d. intervals until it is found functioning and idle. We provide stability conditions as well as several stochastic decomposability results.

Recent Developments In Understanding Two-Dimensional Turbulence And The Nastrom-Gage Spectrum, Eleftherios Gkioulekas, Ka Kit Tung

School of Mathematical & Statistical Sciences Faculty Publications

Two-dimensional turbulence appears to be a more formidable problem than three-dimensional turbulence despite the numerical advantage of working with one less dimension. In the present paper we review recent numerical investigations of the phenomenology of two-dimensional turbulence as well as recent theoretical breakthroughs by various leading researchers. We also review efforts to reconcile the observed energy spectrum of the atmosphere (the spectrum) with the predictions of two-dimensional turbulence and quasigeostrophic turbulence.

Jointly Hyponormal Pairs Of Commuting Subnormal Operators Need Not Be Jointly Subnormal, Raúl E. Curto, Jasang Yoon

School of Mathematical & Statistical Sciences Faculty Publications

We construct three different families of commuting pairs of subnormal operators, jointly hyponormal but not admitting commuting normal extensions. Each such family can be used to answer in the negative a 1988 conjecture of R. Curto, P. Muhly and J. Xia. We also obtain a sufficient condition under which joint hyponormality does imply joint subnormality.

Mustang Daily, October 31, 2006

Cal Poly Student Newspaper

Student newspaper of California Polytechnic State University, San Luis Obispo, CA.

Npr's 'Math Guy' To Deliver Public Lecture About The Cbs Show 'Numb3rs' Nov. 3, Staff Report

University of Mississippi News

OXFORD, Miss. -- Keith J. Devlin, known as "Math Guy" on National Public Radio, delivers the annual Dalrymple Lecture in Mathematics Friday, Nov. 3, at the University of Mississippi. Devlin, executive director of Stanford University's Center for the Study of Language and Information and professor of mathematics, begins his talk at 4 p.m. in Old Chemistry Auditorium. The event is open to the public at no charge.

Academic Senate - Agenda, 10/31/2006, Academic Senate

Academic Senate Agendas

No abstract provided.

Current, October 30, 2006, University Of Missouri-St. Louis

Current (2000s)

No abstract provided.

Analysis Of Large Scale Image Data Using Out-Of-Core Techniques, Chandrashekara H. Raju, Thomas Wischgoll

Computer Science and Engineering Faculty Publications

No abstract provided.

Lanthorn, Vol. 41, No. 20, October 30, 2006, Grand Valley State University

Volume 41, July 13, 2006 - June 14, 2007

Lanthorn is Grand Valley State's student newspaper, published from 1968 to the present.

October 30th 2006, Csusb

Coyote Chronicle (1984-)

Paganism revealed p.5

Costume ideas p.6

Halloween roots p.8

High Temperature Heat Exchanger Project: Quarterly Progress Report July 1, 2006 Through September 30, 2006, Anthony Hechanova

Publications (NSTD)

Hydrodynamics and thermal numerical modeling coupled with sulfur trioxide decomposition for the one channel geometry with three different channel configurations were performed. The results obtained from the numerical modeling were compared with the baseline design under the same boundary and operation conditions. The case with diamond shaped channels has the highest percentage of sulfuric acid decomposition. The baseline channel geometry has the lowest pressure drop compared with other cases.

확산과정에서의 세 번째 의사전달경로, Sang June Park, Chang Hoon Shin

Asia Marketing Journal

The Bass model assumes two communication channels: mass-media and word-of-mouth. In this paper, we call the mass-media Type Ⅰ channel of communications. The word-of-mouth channel means interaction between non-adopters and adopters. Let us call it Type Ⅱ channel of communications. In the real world, however, the non-adopters who are not aware of the innovation can be affected by communications with other non-adopters who are aware of it. Let us call it Type Ⅲ channel of communications to differentiate with Type Ⅱ channel. This paper analyzes the impact of Type Ⅲ channel on diffusion process. The result shows that exponential growth …

The Hilltop 10-30-2006, Hilltop Staff

The Hilltop: 2000 - 2010

No abstract provided.

Daily Eastern News: October 30, 2006, Eastern Illinois University

October

No abstract provided.

Can Learning Organizations Survive In The Newer Nhs?, Rod Sheaff, David Pilgrim

Peninsula Medical School

Background: This paper outlines the principal characteristics of a learning organisation and the organisational features that define it. It then compares these features with the organisational conditions that currently obtain, or are being created, within the British NHS. The contradictory development of recent British health policy, resulting in the NHS becoming both more marketised and more bureaucratised has correspondingly ambiguous implications for attempts to implement a 'learning organisation' model. Methods: Texts that define and debate the characteristics of a learning organisation were found by snowballing references from the founding learning organisation books and published papers, and then by searching a …

Ordering Tendencies In The Binary Alloys Of Rh, Pd, Ir, And Pt: Density Functional Calculations, Gus L. W. Hart, Brian Kolb, Stefan Müller, David B. Botts

Faculty Publications

The binary alloys of Rh, Pd, Ir, and Pt are important because of their high catalytic potential. We report in this paper that the Rh1-xIrx and Rh1-xPtx systems, long thought to phase separate at low temperatures, actually exhibit miscibility over the entire concentration and temperature range. We find low critical ordering temperatures, indicating that long-range order is unlikely to be observed experimentally. These results are compared with previous theoretical predications for the other binary alloys of Rh, Pd, Ir, and Pt and with calculations performed here on the Pt1-xIrx and Pd1-xIrx systems. We discuss these results and investigate the mechanisms …

Pedagogical Possibilities For The N-Puzzle Problem, Zdravko Markov, Ingrid Russell, Todd W. Neller, Neli Zlatareva

Computer Science Faculty Publications

In this paper we present work on a project funded by the National Science Foundation with a goal of unifying the Artificial Intelligence (AI) course around the theme of machine learning. Our work involves the development and testing of an adaptable framework for the presentation of core AI topics that emphasizes the relationship between AI and computer science. Several hands-on laboratory projects that can be closely integrated into an introductory AI course have been developed. We present an overview of one of the projects and describe the associated curricular materials that have been developed. The project uses machine learning as …

Work In Progress: The Five Basic “Positions” Of Engineering, Blair London, Lisa Deyo

Materials Engineering

Classical ballet technique relies on mastery of the five basic positions of the feet. Every movement in classical ballet goes through one or more of these positions. The positions are practiced in class, used in choreography, and become second nature in performance on stage. Engineering may have a similar context. These engineering “positions” are not just the foundational coursework leading up to an engineering degree such as mathematics, chemistry, or physics. Rather, the positions are aspects of engineering that a practicing engineer routinely does to successfully perform as engineers. The engineering positions discussed are: question, analyze, team, write, and speak. …

Radial Velocity Observations Of The Extended Lunar Sodium Tail, E. J. Mierkiewicz, M. Line, F. L. Roesler, R. J. Oliversen

Physical Sciences - Daytona Beach

We report the first velocity resolved sodium 5889.950 Å line profile observations of the lunar sodium tail observed in the anti-lunar direction near new Moon. These observations were made on 29 March 2006, 27 April 2006 and 28 April 2006 from Pine Bluff (WI) observatory with a double etalon Fabry-Perot spectrometer at a resolving power of ∼80,000. The observations were made within 2–14 hours from new Moon, pointing near the anti-lunar point. The average observed radial velocity of the lunar sodium tail in the vicinity of the anti-lunar point for the three nights reported was 12.4 km s⁻¹ (from …

Spitzer White Dwarf Planet Limits, F. Mullally, Ted Von Hippel, D. E. Winget

Publications

We present preliminary limits on the presence of planets around white dwarf stars using the IRAC photometer on the Spitzer space telescope. Planets emit strongly in the mid-infrared which allows their presence to be detected as an excess at these wavelengths. We place limits of 5 MJ for 8 stars assuming ages of 1 Gyr, and 10 MJ for 23 stars.We describe our survey, present our results and comment on approaches to improve our methodology.

Some Problems In Additive Number Theory., Gyan Prakash Dr.

Doctoral Theses

No abstract provided.

Murray Ledger And Times, October 28, 2006, Murray Ledger And Times

The Murray Ledger & Times

No abstract provided.

The Daily Egyptian, October 27, 2006, Daily Egyptian Staff

October 2006

No abstract provided.

New School Year Brings New Faculty To Gsu College Of Arts And Sciences, Office Of Public Affairs

Press Releases

The school year begins with educators bringing innovation and expertise to the College of Arts and Sciences at Governors State University in University Park.

In addition to the appointment of a new dean of the college and acting chair of the Liberal Arts division, six new professors have joined the faculty adding their expertise in research and teaching in a wide variety of subjects and interests to the university.