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2006

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New Results In Group Theoretic Cryptology, Michal Sramka Jan 2006

New Results In Group Theoretic Cryptology, Michal Sramka

Electronic Theses and Dissertations 2000 - 2009

With the publication of Shor's quantum algorithm for solving discrete logarithms in finite cyclic groups, a need for new cryptographic primitives arose; namely, for more secure primitives that would prevail in the post-quantum era. The aim of this dissertation is to exploit some hard problems arising from group theory for use in cryptography. Over the years, there have been many such proposals. We first look at two recently proposed schemes based on some form of a generalization of the discrete logari thm problem (DLP), identify their weaknesses, and cryptanalyze them. By applying the exper tise gained from the above cryptanalyses, …

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Novel Techniques In Genetic Programming, Thomas Fernandez Jan 2006

Novel Techniques In Genetic Programming, Thomas Fernandez

Electronic Theses and Dissertations 2000 - 2009

Three major problems make Genetic Programming unfeasible or impractical for real world problems. The first is the excessive time complexity.In nature the evolutionary process can take millions of years, a time frame that is clearly not acceptable for the solution of problems on a computer. In order to apply Genetic Programming to real world problems, it is essential that its efficiency be improved. The second is called overfitting (where results are inaccurate outside the training data). In a paper[36] for the Federal Reserve Bank, authors Neely and Weller state “a perennial problem with using flexible, powerful search procedures like Genetic …

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Neural Network Approach To Bayesian Background Modeling For Video Object Segmentation, Dubravko. Culibrk Jan 2006

Neural Network Approach To Bayesian Background Modeling For Video Object Segmentation, Dubravko. Culibrk

Electronic Theses and Dissertations 2000 - 2009

Object segmentation in a video sequence is an essential task in video processing and forms the foundation of content analysis, scene understanding, object-based video encoding (e.g. MPEG-4), various surveillance and 2D-to-pseudo-3D conversion applications. Popularization and availability of video sequences with increased spatial resolution requires development of new, more efficient algorithms for object detection and segmentation. This dissertation discusses a novel neural-network-based approach to background modeling for motion-based object segmentation in video sequences. In particular, we show how Probabilistic Neural Network (PNN) architecture can be extended to form an unsupervised Bayesian classifier for the domain of video object segmentation. The constructed …

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Now You Hear It, Now You Don't: The Effect Of Markedness On The Perception Of Unattested Clusters, Tracy J. Lennertz Jan 2006

Now You Hear It, Now You Don't: The Effect Of Markedness On The Perception Of Unattested Clusters, Tracy J. Lennertz

Electronic Theses and Dissertations 2000 - 2009

Linguistic theory predicts that speakers are equipped with universal sonority principles that restrict the structure of the syllable: onset clusters with sonority rises are preferred to onsets with plateaus, which are preferred to onsets with falling sonority (bn > bd > lb). We investigate the source of this preference in English, a language in which these sonority profiles are unattested. We gauged speakers' preferences for unattested onsets by examining their susceptibility to epenthetic repair. If English speakers are sensitive to onset structure, then onsets that are universally dispreferred should be more likely to elicit repair (e.g., lbif→lebif). Results from a syllable judgment …

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Neural Activity Associated With Tolerance To Amphetamine Hypophagia, Kimberlee D. Bachand Jan 2006

Neural Activity Associated With Tolerance To Amphetamine Hypophagia, Kimberlee D. Bachand

Electronic Theses and Dissertations 2000 - 2009

There is a growing body of literature indicating that drug effects are influenced by the context in which they are taken, and that neuroadaptations resulting from chronic drug use are similarly context dependent. Contingent tolerance to amphetamine-induced hypophagia is mediated by the learned suppression of stereotyped behaviors, and is an example of a drug-environment interaction. This form of behavioral tolerance depends upon instrumental learning, by which rats learn a strategy to suppress drug-induced stereotypies that interfere with feeding. Considerable progress has been made in understanding contingent tolerance at the behavioral level; little is known about the neural mechanisms underlying contingent …

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Permutation-Based Transformations For Digital Multimedia Encryption And Steganography, Daniel Socek Jan 2006

Permutation-Based Transformations For Digital Multimedia Encryption And Steganography, Daniel Socek

Electronic Theses and Dissertations 2000 - 2009

The aim of this work is to explore the utilization of permutation-based transformations to achieve compression, encryption and steganography in the domain of digital videos. The main contribution of this dissertation is a novel type of digital video encryption that has several advantages over other currently available digital video encryption methods. An extended classification of digital video encryption algorithms is presented in order to clarify these advantages. The classification itself represents an original work, since to date, no such comprehensive classification is provided in known scientific literature. Both security and performance aspects of the proposed method are thoroughly analyzed to …

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Performance And Limitations Of Acoustic Positioning Using A Tetrahedral Ultra-Short Baseline Array And An Acoustic Modem Source Transmitting Frequency-Hopped Sequences, Asif I. Mohamed Jan 2006

Performance And Limitations Of Acoustic Positioning Using A Tetrahedral Ultra-Short Baseline Array And An Acoustic Modem Source Transmitting Frequency-Hopped Sequences, Asif I. Mohamed

Electronic Theses and Dissertations 2000 - 2009

The operation of unmanned underwater vehicles requires communications with other nearby vehicles as well as accurate positioning to prevent duplication of work, collisions and other mishaps. This thesis details the integration of an ultra-short baseline positioning system with four transducers arranged as a tetrahedron for use with the FAU Dual Purpose Acoustic Modem. The source position is estimated by processing coherently a series of frequency-hopped pulses to obtain a set of bearings, optimally combined through maximum likelihood estimation of the azimuth and elevation. A simulation has been implemented and experiments have been performed in a calibration tank. Model and experiments …

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Neural Correlates Of Auditory Perception, Attention And Expectation, Theodore P. Zanto Jan 2006

Neural Correlates Of Auditory Perception, Attention And Expectation, Theodore P. Zanto

Electronic Theses and Dissertations 2000 - 2009

This dissertation examined the neural correlates of auditory perception, attention and expectation in three experiments. Experiment 1 analyzed neural correlates of auditory perception and expectation in an electroencephalography (EEG) experiment using a temporally perturbed metronome to establish an expectation for auditory events, then violate and reestablish that expectation. High frequency evoked (phase-locked) gamma band activity (GBA) was observed to follow the onset of tones whereas induced (nonphase- locked) GBA reached maximum power simultaneously with the occurrence oftone onset. Moreover, the latency of induced GBA was perturbed after an expectancy violation and relaxed back into synchrony as the expectation was reestablished. …

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'Persistent Heterogeneity' V. 'State Dependence': A Cross-Sectional Test Of Gottfredson And Hirschi's Low Self-Control Stability Hypothesis, Sandra Medlicott Jan 2006

'Persistent Heterogeneity' V. 'State Dependence': A Cross-Sectional Test Of Gottfredson And Hirschi's Low Self-Control Stability Hypothesis, Sandra Medlicott

Electronic Theses and Dissertations 2000 - 2009

In A General Theory Of Crime Gottfredson and Hirschi (1990) suggest that "low self-control" is an enduring individual characteristic that is the product of inadequate child-rearing. Sampson and Laub's (1993) Crime In the Making: Pathways and Turning Points Through Life somewhat supports this contention. However, the latter authors also suggest that later life experiences might change the direction of the life path (and self-control). This thesis examines whether adequate child-rearing is the key causal determinant of low self-control in later life. It further tests whether later life-course transitions might alter and/or impact low self-control. The results suggest that the impact …

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Posttranscriptional Regulation Of Tropomyosin Expression By Myofibril Inducing Rna (Mir) During Axolotl Embryonic Heart Development, Pingping Jia Jan 2006

Posttranscriptional Regulation Of Tropomyosin Expression By Myofibril Inducing Rna (Mir) During Axolotl Embryonic Heart Development, Pingping Jia

Electronic Theses and Dissertations 2000 - 2009

A naturally-occurring recessive lethal mutation in axolotls, Ambystoma mexicanum, is an intriguing model for studying tropomyosin expression regulation. Homozygous embryos(c/c) form hearts that are deficient in tropomyosin, lack organized myofibrils and fail to beat. Previous studies have shown that a non-coding RNA gene, MIR (Myofibril Inducing RNA), is sufficient to rescue the non-beating homozygous recessive mutant hearts by promoting sarcomeric tropomyosin expression that leads to formation of organized myofibrils and beating hearts. Real time RT-PCR reveals that mutant hearts express the same level mRNA of the alpha-tropomyosin and TM4 type tropomyosin (ATmC-3) gene as normal embryonic hearts. These genes show …

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Polymorphism And Selection At Exon 2 Of The Class Ii Beta Chain Of The Major Histocompatibility Complex In Forpus Passerinus, Jaclyn M. Walbroehl Jan 2006

Polymorphism And Selection At Exon 2 Of The Class Ii Beta Chain Of The Major Histocompatibility Complex In Forpus Passerinus, Jaclyn M. Walbroehl

Electronic Theses and Dissertations 2000 - 2009

Female mate choice has been proposed to be a major force acting to maintain the polymorphism of the MHC, the most genetically variable genes known. I genotyped seventy-two individuals from a free-living population of the parrot, Forpus passerinus, in order to determine whether disassortative mating is the mode of selection acting at this locus. Both the high rate of nonsynonymous amino acid changes at the peptide binding regions of exon 2 of the class II beta gene and the unprecedented number of alleles found in this population provided strong evidence for the operation of selection. Despite this, a chi-square test …

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Photosynthetic Pigment Ratios In Relation To Photic Flux, Cidya S. Grant Jan 2006

Photosynthetic Pigment Ratios In Relation To Photic Flux, Cidya S. Grant

Electronic Theses and Dissertations 2000 - 2009

The molar and weight ratios of the photosynthetic pigments of ten algal species were analyzed in an attempt to determine if knowledge of the light field could be used to give better ratios for estimating the chlorophyll a contributed from each algal division to total chlorophyll a or biomass. High performance liquid chromatography (HPLC) is one of the tools used in pigment-based chemotaxonomy for estimating the biomass of algal communities by determining the concentrations of the various chlorophylls and carotenoids. Stable ratios of chlorophyll a: marker pigment are used as multiplying factors for calculating the amount of chlorophyll a contributed …

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Prediction Of Broadband Self-Noise Of An Airfoil, Carlos L. Gomez Jan 2006

Prediction Of Broadband Self-Noise Of An Airfoil, Carlos L. Gomez

Electronic Theses and Dissertations 2000 - 2009

With the increase of air traffic and the introduction of larger aircraft and therefore larger engines, the noise generated by aircraft engines have become of greater importance. In order to address these problems, noise prediction codes must be developed in order to better understand the noise generating process. This thesis addresses important issues related to broadband self-noise from ducted fans based on the prediction model developed by Glegg and Jochault [1]. By addressing issues regarding the prediction of broadband self-noise from an isolated airfoil with the observer in the far field directly overhead (at 90° above), improvements can be made …

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Prgmdh Algorithm For Neural Network Development And Its Applications, Chetan. Tangadpelli Jan 2006

Prgmdh Algorithm For Neural Network Development And Its Applications, Chetan. Tangadpelli

Electronic Theses and Dissertations 2000 - 2009

The existing Group Method of Data Handling (GMDH) algorithm has characteristics that are ideal for neural network design. This thesis introduces a new algorithm that applies some of the best characteristics of GMDH to neural network design and develops a Pruning based Regenerated Network by discarding the neurons in a layer which don't contribute for the creation of neurons in next layer. Unlike other conventional algorithms, which generate a network which is a black box, the new algorithm provides visualization of the network displaying all the neurons in the network. The algorithm is general enough that it will accept any …

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Qos Driven Communication Backbone For Noc Based Embedded Systems, Ankur Agarwal Jan 2006

Qos Driven Communication Backbone For Noc Based Embedded Systems, Ankur Agarwal

Electronic Theses and Dissertations 2000 - 2009

With the increasing complexity of the system design, it has become very critical to enhance system design productivity to meet with the time-to-market demands. Real Time embedded system designers are facing extreme challenges in underlying architectural design selection. It involves the selection of a programmable, concurrent, heterogeneous multiprocessor architecture platform. Such a multiprocessor system on chip (MPSoC) platform has set new innovative trends for the real-time systems and system on Chip (SoC) designers. The consequences of this trend imply the shift in concern from computation and sequential algorithms to modeling concurrency, synchronization and communication in every aspect of hardware and …

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Range Assignment Problem And Security In Wireless Networks, Mohammad O. Pervaiz Jan 2006

Range Assignment Problem And Security In Wireless Networks, Mohammad O. Pervaiz

Electronic Theses and Dissertations 2000 - 2009

This thesis considers two important issues in wireless networks. In first part, we address Energy-Efficient Range Assignment in Heterogeneous Wireless Sensor Networks (HRA) and in second part, we present a survey on security attacks in ad hoc wireless networks. We address the HRA problem by selecting the transmission range for each energy-constraint sensor node such that a multi-hop communication path exists between each sensor' node and a resource-rich supernode while maximum power required is minimized. This is the first work to address this problem. We propose several solutions: an Integer Programming approach, a distributed greedy protocol, and a minimum spanning …

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Privatization As An Administrative Reform: The Case Of Bangladesh, Md. Rafiqul Islam Jan 2006

Privatization As An Administrative Reform: The Case Of Bangladesh, Md. Rafiqul Islam

Electronic Theses and Dissertations 2000 - 2009

Privatization has been a major policy and administrative reform all over the world for the last twenty-five years. Public bureaucracy is one of the first institutions of government to be affected by privatization as a reform. The major purpose of this dissertation was to examine the perception of the civil servants of Bangladesh towards privatization with respect to national development. In order to examine the perception of Bangladeshi civil servants, this dissertation has examined the answers to the question: "What are the perceptions of civil servants in Bangladesh towards privatization with respect to national development?" It has also examined the …

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Quorum Based Ip Autoconfiguration In Mobile Ad Hoc Networks, Tinghui. Xu Jan 2006

Quorum Based Ip Autoconfiguration In Mobile Ad Hoc Networks, Tinghui. Xu

Electronic Theses and Dissertations 2000 - 2009

IP address autoconfiguration poses a challenge for mobile ad-hoc networks (MANETs) because it has to be done to ensure correct routing. An IP autoconfiguration protocol that is based on quorum voting is proposed. Nodes are distributed configured when a write quorum can be collected. Making the compromise between message overhead and data consistency, quorum voting enforces data consistency by ensuring fresh read on every access so that each node is configured with a unique IP address. The protocol is scalable since the configuration information is maintained locally and no central server is involved. Extensive experiments are carried out comparing the …

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Popping Patented Pills: Europe And A Decade's Dose Of Trips, David Vaver, Shamnad Basheer Jan 2006

Popping Patented Pills: Europe And A Decade's Dose Of Trips, David Vaver, Shamnad Basheer

All Papers

This paper considers some features of Europe's approach to medicine, public health and patents as it has developed during the decade since TRIPs came into force. It then reviews what rights users have in relation to such patents and what duties right holders may owe users. The following issues are discussed: 1. How patents on medicines are viewed in Europe, 2. How TRIPs has affected European law, 3. How bilateral agreements since TRIPs have affected Europe, 4. How user rights should be viewed under TRIPs, 5. Whether patents in the public health field are a special case.

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Foreword: Representation Without Party: Lessons From State Constitutional Attempts To Control Gerrymandering, James A. Gardner Jan 2006

Foreword: Representation Without Party: Lessons From State Constitutional Attempts To Control Gerrymandering, James A. Gardner

Journal Articles

Since the founding, all gerrymandering of election districts, at both the state and congressional levels, has been accomplished by state actors operating almost exclusively under state law. State constitutions have often served as a first line of defense against publicly disfavored practices, and the treatment of gerrymandering is no exception. The state constitutional record reveals a gradual introduction, diffusion, and evolution of a wide variety of provisions intended to control gerrymandering, including requirements of contiguity, compactness, respect for local political boundaries, and preservation of communities of interest, among others. Indeed, such provisions have been validated by the U.S. Supreme Court …

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Defending Human Rights In The "War" Against Terror, Douglass Cassel Jan 2006

Defending Human Rights In The "War" Against Terror, Douglass Cassel

Journal Articles

Safeguarding human rights in our "war" against terrorism is both the right and the smart thing to do. It is right because human rights embody our fundamental values as Americans and as Christians. Our Constitution stands for freedom; our Creator teaches us to respect the God-given dignity of each human soul. Christians are called to cherish human dignity, not only of innocents, and not only of captives in war whose status as combatant or civilian may be uncertain, but also of cardinal sinners, the terrorists themselves. Christ Jesus teaches us to hate the sin, but somehow to bring ourselves to …

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Introduction: Religion, Division, And The Constitution, Richard W. Garnett Jan 2006

Introduction: Religion, Division, And The Constitution, Richard W. Garnett

Journal Articles

Thirty-five years ago, in his landmark Lemon v. Kurtzman opinion, Chief Justice Warren Burger declared that state actions could "excessive[ly]"—and, therefore, unconstitutionally—"entangle" government and religion, not only by requiring or allowing intrusive monitoring by officials of religious institutions and activities, but also through their "divisive political potential." He worried that government actions burdened with this "potential" pose a "threat to the normal political process and "divert attention from the myriad issues and problems that confront every level of government." And, he insisted that "political division along religious lines was one of the principal evils against which the First Amendment was …

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Prophecy And Casuistry: Abortion, Torture And Moral Discourse, M. Cathleen Kaveny Jan 2006

Prophecy And Casuistry: Abortion, Torture And Moral Discourse, M. Cathleen Kaveny

Journal Articles

In turn of the 21st century United States there are serious moral disputes over issues such as abortion and torture among persons who see themselves as belonging to the same moral tradition. These disputes have not given rise to fruitful discussion about differences, but instead led to a breakdown of conversation and even of community. A part of these clashes and breakdowns are not the result of mutually inconsistent moral premises, but are driven by tensions between two styles of moral discourse, the prophetic and casuistical. The former invokes the absolute and fiery rhetorical style of biblical prophets while the …

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Tradition And Development In The Catholic Church's Teaching On Marriage: A Response To Cardinal Trujillo, John J. Coughlin Jan 2006

Tradition And Development In The Catholic Church's Teaching On Marriage: A Response To Cardinal Trujillo, John J. Coughlin

Journal Articles

During the twentieth century, the teaching of the Roman Catholic Church on the nature of marriage remained fully faithful to ancient tradition and witnessed new developments. In his article, The Nature of Marriage and Its Various Aspects, Alfonso Cardinal Lopez Trujillo has afforded a splendid overview of both the timeless and adaptive features of the Church's teaching. In commenting on the article, I have been asked to identify obstacles to the article's reception as well as to suggest possible resolutions. My brief response to His Eminence, Cardinal Trujillo, consists of two parts. First, I suggest that an epistemological issue is …

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The Supervisory Power Of The Supreme Court, Amy Coney Barrett Jan 2006

The Supervisory Power Of The Supreme Court, Amy Coney Barrett

Journal Articles

Relying on something it calls supervisory power or supervisory authority, the Supreme Court regularly prescribes rules of procedure and evidence for inferior courts. Both scholars and the Court have treated the Court's exercises of this authority as unexceptional exercises of the inherent authority that Article III grants every federal court to regulate procedure in the course of adjudication. Article III's grant of inherent authority, however, is conventionally understood as permitting a federal court to regulate its own proceedings. When the Supreme Court exercises supervisory power, it regulates the proceedings of other federal courts. More than a reference to every court's …

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State Courts And The Interpretation Of Federal Statutes, Anthony J. Bellia Jr. Jan 2006

State Courts And The Interpretation Of Federal Statutes, Anthony J. Bellia Jr.

Journal Articles

Scholars have long debated the separation of powers question of what judicial power federal courts have under Article III of the Constitution in the enterprise of interpreting federal statutes. Specifically, scholars have debated whether, in light of Founding-era English and state court judicial practice, the judicial power of the United States should be understood as a power to interpret statutes dynamically or as faithful agents of Congress. This Article argues that the question of how courts should interpret federal statutes is one not only of separation of powers but of federalism as well. State courts have a vital and often …

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Pound's Century, And Ours, Jay Tidmarsh Jan 2006

Pound's Century, And Ours, Jay Tidmarsh

Journal Articles

On August 29, 1906, a little known Nebraska lawyer climbed to the podium at the twenty-ninth American Bar Association convention in St. Paul, Minnesota, and commenced the most thoroughly successful revolution in American law. The lawyer was Roscoe Pound, and the title of his address was The Causes of Popular Dissatisfaction with the Administration of Justice. The speech was hardly popular in its own time. The ABA nearly refused to publish the remarks. Thirty-two years would pass before Pound's seeds fully flowered. Even today, many of Pound's criticisms of our adversarial civil justice system ring as true as the day …

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Download It While Its Hot: Open Access And Legal Scholarship, Lawrence B. Solum Jan 2006

Download It While Its Hot: Open Access And Legal Scholarship, Lawrence B. Solum

Faculty Scholarship

This Article analyzes the shift of legal scholarship from the old world of law reviews to today's world of peer reviews to tomorrow's world of open access legal blogs. This shift is occurring in three dimensions. First, legal scholarship is moving from the long form (treatises and law review articles) to the short form (very short articles, blog posts, and online collaborations). Second, a regime of exclusive rights is giving way to a regime of open access. Third, intermediaries (law school editorial boards, peer-reviewed journals) are being supplemented by disintermediated forms (papers on the Internet, blogs). Blogs and internet conversations …

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The Sulzer Hip Replacement Recall Crisis: A Patient's Perspective, Keri Stephens, Scott C. D'Urso, Penny Holmes Jan 2006

The Sulzer Hip Replacement Recall Crisis: A Patient's Perspective, Keri Stephens, Scott C. D'Urso, Penny Holmes

College of Communication Faculty Research and Publications

This case discusses a product recall that resulted from a manufacturing defect and the degree to which the company distributed accurate and timely information to affected patients. More specifically, the case examines the crisis communication of Sulzer Orthopedics and its efforts to negotiate the interests of various stakeholders, while limiting liability. Written from the perspective of a patient, the case raises interesting questions regarding organizational duties related to product liability. It also provides valuable insights into how organizational communication may have both short- and long-term effects on its relationship with patients and physicians, among others.

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Reconsidering Public Relations’ Infatuation With Dialogue: Why Engagement And Reconciliation Can Be More Ethical Than Symmetry And Reciprocity, Kevin L. Stoker, Kati Tusinski Berg Jan 2006

Reconsidering Public Relations’ Infatuation With Dialogue: Why Engagement And Reconciliation Can Be More Ethical Than Symmetry And Reciprocity, Kevin L. Stoker, Kati Tusinski Berg

College of Communication Faculty Research and Publications

Advocates of dialogic communication have promoted two-way symmetrical communication as the most effective and ethical model for public relations. This article uses John Durham Peters’s critique of dialogic communication to reconsider this infatuation with dialogue. In this article, we argue that dialogue’s potential for selectivity and tyranny poses moral problems for public relations. Dialogue’s emphasis on reciprocal communication also saddles public relations with ethically questionable quid pro quo relationships. We contend that dissemination can be more just than dialogue because it demands more integrity of the source and recognizes the freedom and individuality of the source. The type of communication, …

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