Digital Commons Network^™

Can The Ceo Learn From The Condemned? The Application Of Capital Mitigation Strategies To White Collar Cases, Todd Haugh

American University Law Review

No abstract provided.

Openline Newsletter, January 2012, Civil Service Council

OpenLine Newsletter

A monthly newsletter for Civil Service employees, Volume XXXVI, Number 7, January 2012.

Undergraduate Catalog, Georgia Southern University

Undergraduate & Graduate Catalogs

No abstract provided.

2012-2013 Graduate Catalog, Armstrong Atlantic State University

Armstrong Office of the Registrar: Graduate Catalogs (Archived)

Academic catalog for Armstrong Atlantic State University.

2012 - 2013 Undergraduate Catalog, Armstrong Atlantic State University

Armstrong Office of the Registrar: Undergraduate Catalogs (Archived)

Academic catalog for Armstrong Atlantic State University.

2- Bromophenyl Salicylate, Donovan Thompson, Sierra Mitchell, Kevin Clarke, Kerry Sarden, Karelle Aiken

Chemistry: Faculty Publications (1990-2023)

2-Bromophenyl salicylate is synthesized from 2-benzyloxybenzoic acid in two steps. The final compound has been characterized by IR,¹H-NMR, ¹³C-NMR and HRMS. The melting point for 2-bromophenyl salicylate is provided.

A General Synthesis Of Bis-Indolylpiperazine-2,5-Diones, Stephen N. Crooke, Christine Whitlock

Chemistry: Faculty Publications (1990-2023)

The one-pot synthesis of three dragmacidin derivatives is reported. Sarcosine anhydride (4) is brominated and immediately reacted with the corresponding indole to produce the products, namely 3,6-bis(5′-methoxy-3′-indolyl)-1,4-dimethylpiperazine-2,5-dione (1), 3,6-bis(7′-methyl-3′-indolyl)-1,4-dimethylpiperazine-2,5-dione (2) and 3,6-bis-(6′-chloro-3′-indolyl)-1,4-dimethylpiperazine-2,5-dione (3), which are characterized by ¹H-NMR.

An Unexpected Stereochemical Insignificance Discovered In Acinetobacter Baumannii Quorum Sensing, Amanda L. Garner, Sook Kyung Kim, Jie Zhu, Anjali Kumari Struss, Richard Watkins, Brent D. Feske, Gunnar F. Kaufmann, Kim D. Janda

Chemistry: Faculty Publications (1990-2023)

Stereochemistry is a key aspect of molecular recognition for biological systems. As such, receptors and enzymes are often highly stereospecific, only recognizing one stereoisomer of a ligand. Recently, the quorum sensing signaling molecules used by the nosocomial opportunistic pathogen, Acinetobacter baumannii, were identified, and the primary signaling molecule isolated from this species was N-(3-hydroxydodecanoyl)-l-homoserine lactone. A plethora of bacterial species have been demonstrated to utilize 3-hydroxy-acylhomoserine lactone autoinducers, and in virtually all cases, the (R)-stereoisomer was identified as the natural ligand and exhibited greater autoinducer activity than the corresponding (S)-stereoisomer. Using chemical synthesis and biochemical assays, we have uncovered a …

The Distribution Of Individual Stock Returns In A Modified Black-Scholes Option Pricing Model, Daniel Lee Richey

College of Graduate Studies: Theses & Dissertations

Author's abstract: There have been many attempts to find a model that can accurately price options. These models are built on many assumptions, including which probability distribution stock returns follow. In this paper, we test several distributions to see which best fit the log returns of 20 different companies over a period between November 1, 2006 to October 31, 2011. If a "best" distribution is found, a modified Black-Scholes model will be defined by modifying the Weiner process. We use Monte Carlo simulations to generate estimated prices under specified parameters, and compare these prices to those simulated by the model …

Properties Of Weighted Generalized Beta Distribution Of The Second Kind, Yuan Ye

College of Graduate Studies: Theses & Dissertations

Author's abstract: In this thesis, a new class of weighted generalized beta distribution of the second kind (WGB2) is presented. The construction makes use of the conservability approach' which includes the size or length-biased distribution as a special case. The class of WGB2 is used as descriptive models for the distribution of income. The results that are presented generalize the generalized beta distribution of second kind (GB2). The properties of these distributions including behavior of pdf, cdf, hazard functions, moments, mean, variance, coefficient of variation (CV), coefficient of skewness (CS), coefficient of kurtosis (CK) are obtained. The moments of other …

Moments When The Weak Gained Ground: Viral Video As A Curriculum Of People, Michael J. Ryan

College of Graduate Studies: Theses & Dissertations

Author's abstract: The public school curriculum has devolved into merely being a political football for the forces of the dominant culture, no longer even attempting to serve the People of the community or the students that the school ostensibly should serve. In the absence of a curriculum that is meaningful to People, another curriculum has spontaneously appeared outside of school via shared online media between social networks. This new curriculum, identified by a relatively wide viewership and its challenge to social injustice, oppressive conventions or hegemonic forces, is a curriculum of viral videos shared because of their meaning and cogence …

Numerical Simulation Of Natural Convection In Rectangular Enclosures Of Varying Aspect Ratios And Its Feasibility In Environmental Impact Management Studies, Charles R. Walker

College of Graduate Studies: Theses & Dissertations

Author's abstract: Numerical simulation was used to investigate natural convection in horizontal and vertical enclosures with and without an internal heat source. Natural convection in rectangular enclosures is found in many real-world applications. Included in these applications are the energy efficient design of buildings, operation and safety of nuclear reactors, solar collector design, passive energy storage, heat transfer across multi-pane windows, thermo-electric refrigeration and heating devices, and the design-for-mitigation of optical distortion in large-scale laser systems. Considering all these applications, especially controlling heat transfer in nuclear power plants, knowledge and research results of natural convection in enclosure play a vital …

Development And Validation Of Probabilistic Fatigue Models Containing Out-Life Suspensions, Noel S. Murray

College of Graduate Studies: Theses & Dissertations

Author's abstract: In the area of reliability engineering it is necessary to be confident that a component or system of components will not fail under use for safety and cost reasons. One major mechanism of failure to a mechanical component is fatigue. This is the repetitious motion of loading and unloading of the material, typically below the ultimate tensile strength of the material, which ultimately leads to a catastrophic failure. To ensure this does not happen, engineers design components based on tests to determine the life of these components. These tests are typically conducted on a bench type tester in …

Fuzzy Assessor Using Type 1 And Type 2 Fuzzy Sets, Paulette Acheson, Cihan H. Dagli

Engineering Management and Systems Engineering Faculty Research & Creative Works

This paper provides a fuzzy assessor that can be used to evaluate system architectures. the fuzzy assessor includes a method of assigning system architecture attribute values to the lower-level subsystems using type 1 fuzzy sets and type 2 fuzzy sets. Each architecture attribute is evaluated at the lowest subsystem level and then mathematically rolled-up to provide the system level value for each architecture attribute. Then the value for each architecture attribute is combined into an overall system architecture performance value. This provides a mathematical method of qualitatively assessing a system architecture based on key architecture attributes. the fuzzy assessor uses …

Relationship Of Collaborative School Culture And School Achievement, Karen Durrence Bland

College of Graduate Studies: Theses & Dissertations

The purpose of this correlational, quantitative study was to examine the magnitude and direction of the relationship between collaborative school culture and school achievement in rural, economically disadvantaged middle schools utilizing a 6, 7, 8 grade configuration. Survey data was collected from 263 teachers representing 12 rural, economically disadvantaged middle schools in the state of Georgia. Data collection tools included the Learning Community Culture Indicator (LCCI) 4.0 survey developed by Williams, Matthews, Stewart, and Hilton (2007) and the Georgia Criterion Referenced Competency Test (GCRCT).

The study generated data from 12 middle schools regarding the overall functionality level of their collaborative …

Equal Or Not? An Exploration Of Eighth-Grade Students' Experience Of Algebra, Janice L. Reyes

College of Graduate Studies: Theses & Dissertations

Over the past two decades, a considerable amount of algebra instruction nationwide has shifted from high school to middle school. In Georgia, all eighth-grade students have been required to take a course that is equivalent to about 80 percent of a traditional Algebra 1 course. The purpose of this qualitative study was to explore how a selected group of eighth-grade students in a suburban Georgia middle school experience algebra within the eighth grade mathematics curriculum. A qualitative research design was used to investigate students’ perceptions of algebra, the strategies employed by teachers to teach algebra, students’ difficulties with algebra, and …

An Analysis Of Secondary School Teachers' Perceptions Of Block Scheduling, Vern Mamon

College of Graduate Studies: Theses & Dissertations

The purpose of this mixed method study was to examine the perceptions of public secondary school teachers regarding block scheduling and to identify the perceived advantages and disadvantages of using the block schedule in three secondary schools in one suburban school system in Georgia. Perceptions of teachers were obtained from data collected from a 23-item survey and three focus group discussions.

The study concluded that secondary teachers’ perceptions of block scheduling were generally favorable. However, some teachers did firmly support some statements on block scheduling. The study suggested there is not a significant difference in teachers’ perceptions based on grade …

An Exploratory Study Of Principals' And Teachers' Perceptions Of School Work Conditions In Sinclair County, Georgia, Veronica Lawrence

College of Graduate Studies: Theses & Dissertations

This quantitative study investigated principals’ (n = 16) and teachers’ (n = 362) perceptions of five work conditions domains: Professional Development, Facilities and Resources, Leadership, Empowerment, and Use of Time. This quantitative study used two instruments: principal work conditions survey and teacher work conditions survey to collect data. Data were analyzed using descriptive statistics and a factorial analysis of variance. Findings revealed observed differences in principals’ and teachers’ perceptions of school work conditions. The factorial analysis of variance (ANOVA) showed statistically significant differences for domain scores of Facilities and Resources, Leadership, and Empowerment by type of school. No significant differences …

Social Emotional Competence And Teacher Stress, Leslie Carole Forcina

College of Graduate Studies: Theses & Dissertations

Teacher stress and continuing high attrition rates for the teaching profession have significant multiple impacts, although arguably the most important is student achievement. Research indicates that as teacher stress increases to high levels, teacher effectiveness decreases. Attempts to reduce stress have historically focused on organizational or systemic change with minimal success. There remains a clear and distinct call to pursue individual factors that may influence teachers’ abilities to moderate stress. Social emotional competence (SEC) is a set of skills that allows individuals to understand themselves, their emotions, the social context as well as relationships and decision making. Existing research has …

Curriculum Circus: Juggling Curriculum, Science, And The Arts, Domenica Devine

College of Graduate Studies: Theses & Dissertations

Education should open the door to better lives and better jobs. The fact is that it does not. In part, there are many causes including rigidity, political interference, and the separation between disciplines that we teach without context and without dialogue with our students. Specifically, I think that we should use education as a way to help students make better choices and have a better life. One way we can do it is by reconciling science with the other disciplines. And that is what is at the heart of curriculum studies.

There is a pervasive belief that the Western ideology …

High School Administrators' Perception Of The Effectiveness Of Professional Development, Rodney J. Williams

College of Graduate Studies: Theses & Dissertations

The importance of professional development has been emphasized in recent legislation and accountability acts. As Georgia competes for Race to the Top Funds, high school administrators are being required to attend various professional development activities. These may address the new teacher evaluation system, common core, and techniques on how to close the gap between high-achieving students and students with a learning disability. Therefore, the purpose of this qualitative study was to understand high school administrators’ perceptions of the effectiveness of professional development. This qualitative study used a case study design with purposive sampling. Participants included twelve high school administrators currently …

Factors Associated With Adult Literacy Student Outcomes In Campus-Based Versus Community-Based Programs, Charles Hall

College of Graduate Studies: Theses & Dissertations

In Georgia, the Technical College System of Georgia (TCSG) formally trains over 100,000 adult literacy students each year free of charge at a variety of campus-based and community-based programs located at community centers, churches, libraries, or businesses. A common, yet unproven, assumption among senior administrators and adult literacy faculty members at TCSG colleges is that adults who attend literacy classes embedded in the traditional college campus environment have better academic outcomes than those who attend only community-based programs. However, a gap currently exists in the literature with respect to a clear understanding of which student outcome variables are impacted when …

Homogeneous Symplectic Manifolds Of The Galilei Group, Michael S. Davis

College of Graduate Studies: Theses & Dissertations

In this thesis we classify all symplectic manifolds admitting a transitive, 2-form preserving action of the Galilei group G. Using the moment map and a theorem of Kirillov-Kostant-Souriau, we reduce the problem to that of classifying the coadjoint orbits of a central extension of G discovered by Bargmann. We then develop a systematic inductive technique to construct a cross section of the coadjoint action. The resulting symplectic orbits are interpreted as the manifolds of classical motions of elementary particles with or without spin, mass, and color.

Optimal Adaptive Controller Scheme For Uncertain Quantized Linear Discrete-Time System, Qiming Zhao, Hao Xu, S. Jagannathan

Electrical and Computer Engineering Faculty Research & Creative Works

In this paper, the Bellman equation is used to solve the optimal adaptive control of quantized linear discrete-time system with unknown dynamics. to mitigate the effect of the quantization errors, the dynamics of the quantization error bound and an update law for tuning the range of the dynamic quantizer are derived. Subsequently, by using adaptive dynamic programming technique, the infinite horizon optimal regulation problem of the uncertain quantized linear discrete-time system is solved in a forward-in-time manner without using value and/or policy iterations. the asymptotic stability of the closed-loop system is verified by standard Lyapunov stability approach in the presence …

State And Output Feedback-Based Adaptive Optimal Control Of Nonlinear Continuous-Time Systems In Strict Feedback Form, H. Zargarzadeh, T. Dierks, S. Jagannathan

Electrical and Computer Engineering Faculty Research & Creative Works

This paper focuses on neural network (NN) based adaptive optimal control of nonlinear continuous-time systems in strict feedback form with known dynamics. a single NN is utilized to learn the infinite horizon cost function which is the solution to the Hamilton-Jacobi-Bellman (HJB) equation in continuous-time. the corresponding optimal control input that minimizes the HJB equation is calculated in a forward-in-time manner without using value and policy iterations. First, the optimal control problem is solved in a generic multi-input and multi output (MIMO) nonlinear system in strict feedback form with a state feedback approach. Then, the approach is extended to single …

Worst-Case Estimation For Data-Dependent Timing Jitter And Amplitude Noise In High-Speed Differential Link, Wei Yao, Yiyu Shi, Lei He, Sudhakar Pamarti

Electrical and Computer Engineering Faculty Research & Creative Works

Differential signaling has been widely used in high-speed interconnects. Signal integrity issues, such as inter-symbol interference (ISI) and crosstalk between the differential pair, however, still cause significant timing jitter and amplitude noise and heavily limit the performance of the differential link. the pre-emphasis filter is commonly used to reduce ISI but may potentially change the crosstalk behavior. in this paper, we first propose formula-Based jitter and noise models considering the combined effect of ISI, crosstalk, and pre-emphasis filter. with the same set of input patterns, experiment shows our models achieve within 5% difference compared with SPICE simulation. by utilizing these …

Pseudomonas Necrotizing Fasciitis In An Otherwise Healthy Infant, Shakeel Ahmed, Syed Rehan Ali, Zahra Aziz Samani

Department of Paediatrics and Child Health

Necrotizing fasciitis is an uncommon rapidly progressing infection of soft tissue characterized by a severe inflammation of the fascia and soft tissue. The disease is associated with necrosis and subcutaneous gangrene of the inflamed tissue with systemic toxicity that carries a significant mortality unless timely diagnosed and aggressively treated. Monomicrobial necrotizing fasciitis caused by Pseudomonas aeruginosa is an exceptionally uncommon condition with only few cases reported in the literature so far. We are reporting a six-month-old female infant who was previously healthy and who presented with necrotizing fasciitis and isolates Pseudomonas aeruginosa both from the blood and tissue. The child …

Infeasible Full-Newton-Step Interior-Point Method For The Linear Complementarity Problems, Antré Marquel Drummer

College of Graduate Studies: Theses & Dissertations

In this tesis, we present a new Infeasible Interior-Point Method (IPM) for monotone Linear Complementarity Problem (LPC). The advantage of the method is that it uses full Newton-steps, thus, avoiding the calculation of the step size at each iteration. However, by suitable choice of parameters the iterates are forced to stay in the neighborhood of the central path, hence, still guaranteeing the global convergence of the method under strict feasibility assumption. The number of iterations necessary to find -approximate solution of the problem matches the best known iteration bounds for these types of methods. The preliminary implementation of the method …

A Self-Tuning Optimal Controller For Affine Nonlinear Continuous-Time Systems With Unknown Internal Dynamics, Travis Dierks, Sarangapani Jagannathan

Electrical and Computer Engineering Faculty Research & Creative Works

This paper presents a novel neural network (NN) - based self-tuning controller for the optimal regulation of affine nonlinear continuous-time systems. Knowledge of the internal system dynamics is not required whereas the control coefficient matrix is considered to be available. the proposed nonlinear optimal regulator tunes itself in order to simultaneously learn the optimal control input, optimal cost function, and the system internal dynamics using a single NN. a novel NN weight tuning algorithm is derived which ensures the internal system dynamics are learned while simultaneously minimizing a predefined cost function. an initial stabilizing controller is not required. Lyapunov methods …

Calcium Montmorillonite Clay Reduces Urinary Biomarkers Of Fumonisin B₁ Exposure In Rats And Humans, Abraham Robinson, Natalie M. Johnson, A. Strey, John F. Taylor, Alicia Marroquin-Cardona, N. J. Mitchell, Evans Afriyie-Gyawu, Nii-Ayi Ankrah, Jonathan H. Williams, Jia-Sheng Wang, Pauline E. Jolly, R. J. Nachman, Timothy D. Phillips

Environmental Health Sciences: Faculty Publications

Fumonisin B1 (FB1) is often a co-contaminant with aflatoxin (AF) in grains and may enhance AF’s carcinogenicity by acting as a cancer promoter. Calcium montmorillonite (i.e. NovaSil, NS) is a possible dietary intervention to help decrease chronic aflatoxin exposure where populations are at risk. Previous studies show that an oral dose of NS clay was able to reduce AF exposure in a Ghanaian population. In vitro analyses from our laboratory indicated that FB1 (like aflatoxin) could also be sorbed onto the surfaces of NS. Hence, our objectives were to evaluate the efficacy of NS clay to reduce urinary FB1 in …