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Mathematics Library News 2, Aaron Lercher

Faculty Publications

No abstract provided.

The Contributions Of Dominic Welsh To Matroid Theory, James Oxley

Faculty Publications

Dominic Welsh began writing papers in matroid theory nearly forty years ago. Since then, he has made numerous important contributions to the subject. This chapter reviews Dominic Welsh's work in and influence on the development of matroid theory.

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Flying The Friendly Furman Skies, Furman University

Furman Magazine

No abstract provided.

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Furman Alumni News, Furman University

Furman Magazine

No abstract provided.

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2006-2007 Profile, Morehead State University. Institutional Research & Analysis.

Office of Institutional Research & Analysis Publication Archive

No abstract provided.

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Barriers To The Implementation Of Project Lead The Way As Perceived By Indiana High School Principals, C. J. Shields

Journal of STEM Teacher Education

No abstract provided.

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Continuing Teacher Professional Development In Post-Soviet Kyrgyzstan, Rahat Joldoshalieva

Institute for Educational Development, Karachi

After the collapse of the USSR, Kyrgyzstan became an independent Central Asian state in 1991. Since its independence, there have been enormous changes in the political, social and economic life of the young state, which strives to become a democratic and aspiring market-oriented economy. Its education system has also begun experiencing changes. However, most of the reforms brought in this area continue to be short-term and ever-changing. Economic hardship does not allow the continuation of the previously state-funded teacher retraining system, which further creates deteriorating quality education in the schools. On one hand, the country continues to follow the Soviet …

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Bayesian Estimation Via Sequential Monte Carlo Sampling-Constrained Dynamic Systems, Lixin Lang, Wen-Shiang Chen, Bhavik R. Bakshi, Prem K. Goel, Sridhar Ungarala

Chemical & Biomedical Engineering Faculty Publications

Nonlinear and non-Gaussian processes with constraints are commonly encountered in dynamic estimation problems. Methods for solving such problems either ignore the constraints or rely on crude approximations of the model or probability distributions. Such approximations may reduce the accuracy of the estimates since they often fail to capture the variety of probability distributions encountered in constrained linear and nonlinear dynamic systems. This article describes a practical approach that overcomes these shortcomings via a novel extension of sequential Monte Carlo (SMC) sampling or particle filtering. Inequality constraints are imposed by accept/reject steps in the algorithm. The proposed approach provides samples representing …

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Evaluating Opportunistic Routing Protocols With Large Realistic Contact Traces, Libo Song, David Kotz

Dartmouth Scholarship

Traditional mobile ad hoc network (MANET) routing protocols assume that contemporaneous end-to-end communication paths exist between data senders and receivers. In some mobile ad hoc networks with a sparse node population, an end-to-end communication path may break frequently or may not exist at any time. Many routing protocols have been proposed in the literature to address the problem, but few were evaluated in a realistic “opportunistic” network setting. We use simulation and contact traces (derived from logs in a production network) to evaluate and compare five existing protocols: direct-delivery, epidemic, random, PRoPHET, and Link-State, as well as our own proposed …

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Environmental Controls On The Landscape-Scale Biogeography Of Stream Bacterial Communities, Noah Fierer, Jennifer L. Morse, Sean T. Berthrong, Emily S. Bernhardt, Robert B. Jackson

Environmental Science and Management Faculty Publications and Presentations

We determined the biogeographical distributions of stream bacteria and the biogeochemical factors that best explained heterogeneity for 23 locations within the Hubbard Brook watershed, a 3000-ha forested watershed in New Hampshire, USA. Our goal was to assess the factor, or set of factors, responsible for generating the biogeographical patterns exhibited by microorganisms at the landscape scale. We used DNA fingerprinting to characterize bacteria inhabiting fine benthic organic matter (FBOM) because of their important influence on stream nutrient dynamics. Across the watershed, streams of similar pH had similar FBOM bacterial communities. Streamwater pH was the single variable most strongly correlated with …

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A Novel Empirical Free Energy Function That Explains And Predicts Protein–Protein Binding Affinities, Joseph Audie, Suzanne Scarlata

Chemistry & Physics Faculty Publications

A free energy function can be defined as a mathematical expression that relates macroscopic free energy changes to microscopic or molecular properties. Free energy functions can be used to explain and predict the affinity of a ligand for a protein and to score and discriminate between native and non-native binding modes. However, there is a natural tension between developing a function fast enough to solve the scoring problem but rigorous enough to explain and predict binding affinities. Here, we present a novel, physics-based free energy function that is computationally inexpensive, yet explanatory and predictive. The function results from a derivation …

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C&I 402.01: Teaching Mathematics K-8, Georgia A. Cobbs

University of Montana Course Syllabi

No abstract provided.

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Experimentally Constrained Molecular Relaxation: The Case Of Hydrogenated Amorphous Silicon, Parthapratim Biswas, Raymond Atta-Fynn, D. A. Drabold

Faculty Publications

We have extended our experimentally constrained molecular relaxation technique [P. Biswas et al., Phys. Rev. B 71, 54204 (2005)] to hydrogenated amorphous silicon: a 540-atom model with 7.4% hydrogen and a 611-atom model with 22% hydrogen were constructed. Starting from a random configuration, using physically relevant constraints, ab initio interactions, and the experimental static structure factor, we construct realistic models of hydrogenated amorphous silicon. Our models confirm the presence of a high-frequency localized band in the vibrational density of states due to Si-H vibration that has been observed in recent vibrational transient grating measurements on plasma enhanced chemical …

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Assess And Assist: Capacity Building For All Teachers Of Students – With And Without Learning Difficulties, Ken Rowe

Student learning processes

Following a brief discussion of the fundamental importance of monitoring growth, this paper draws from emerging findings from evidence-based research and ‘state-of-the art’ practice in assessment and reporting of students’ developmental and learning progress – whether or not students experience learning difficulties. The monitoring of individual progress over time requires both diagnostic and developmental assessments of such progress on well-constructed scales (or ‘maps’) that are qualitatively described. The use of such ‘maps’ enables early detection of potential ‘risk factors’, and the monitoring of both individuals and groups across the years of schooling. Such ‘maps’ and their reporting products constitute major …

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Making Use Of Bilingual Interview Data: Some Experiences From The Field, Nelofer Halai

Institute for Educational Development, Karachi

This paper describes the challenges faced, and rules devised, while dealing with bilingual interview data as part of a life history study of a female science teacher’s conceptions of the nature of science while teaching in a school in Karachi. The interview data generated was both in Urdu and English, which underwent a number of processes (transcription, translation, and transliteration) to evolve into “interim texts,” to finally become a part of the data analysis process. I have called these translated materials “transmuted texts,” as they reflect the original, but have been recreated. This paper is significant because as globalization connects …

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A Survey Of Schema Matching Research, Roger Blake

College of Management Working Papers and Reports

Schema matching is the process of developing semantic matches between two or more schemas. The purpose of schema matching is generally either to merge two or more databases, or to enable queries on multiple, heterogeneous databases to be formulated on a single schema (Doan and Halevy 2005). This paper develops a taxonomy of schema matching approaches, classifying them as being based on a combination schema matching technique and the type of data used by those techniques. Schema matching techniques are categorized as being based on rules, learning, or ontology, and the type of data used is categorized as being based …

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Evaluating Bag-Of-Visual-Words Representations In Scene Classification, Jun Yang, Yu-Gang Jiang, Alexander G. Hauptmann, Chong-Wah Ngo

Research Collection School Of Computing and Information Systems

Based on keypoints extracted as salient image patches, an image can be described as a “bag of visual words” and this representation has been used in scene classification. The choice of dimension, selection, and weighting of visual words in this representation is crucial to the classification performance but has not been thoroughly studied in previous work. Given the analogy between this representation and the bag-of-words representation of text documents, we apply techniques used in text categorization, including term weighting, stop word removal, feature selection, to generate image representations that differ in the dimension, selection, and weighting of visual words. The …

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Novelty Detection For Cross-Lingual News Stories With Visual Duplicates And Speech Transcripts, Xiao Wu, Alexander G. Hauptmann, Chong-Wah Ngo

Research Collection School Of Computing and Information Systems

An overwhelming volume of news videos from different channels and languages is available today, which demands automatic management of this abundant information. To effectively search, retrieve, browse and track cross-lingual news stories, a news story similarity measure plays a critical role in assessing the novelty and redundancy among them. In this paper, we explore the novelty and redundancy detection with visual duplicates and speech transcripts for cross-lingual news stories. News stories are represented by a sequence of keyframes in the visual track and a set of words extracted from speech transcript in the audio track. A major difference to pure …

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Difference Computation Of Large Models, Christoph Treude, Stefan Berlik, Sven Wenzel, Udo Kelter

Research Collection School Of Computing and Information Systems

Modern software engineering practices lead to large models which exist in many versions. Version management systems should offer a service to compare, and possibly merge, these models. The computation of a difference between large models is a big challenge; current algorithms are too inefficient here. We present a new technique for computing differences between models. In practical tests, this technique has been an order of magnitude faster than currently known algorithms. The main idea is to use a high-dimensional search tree for efficiently finding similar model elements. Individual elements are mapped onto a vector of numerical values using a collection …

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Anonymous And Authenticated Key Exchange For Roaming Networks, Guomin Yang, Duncan S. Wong, Xiaotie Deng

Research Collection School Of Computing and Information Systems

User privacy is a notable security issue in wireless communications. It concerns about user identities from being exposed and user movements and whereabouts from being tracked. The concern of user privacy is particularly signified in systems which support roaming when users are able to hop across networks administered by different operators. In this paper, we propose a novel construction approach of anonymous and authenticated key exchange protocols for a roaming user and a visiting server to establish a random session key in such a way that the visiting server authenticates the user's home server without knowing exactly who the user …

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Necessary Conditions For Super Minimizers In Constrained Multiobjective Optimization, Truong Q. Bao, Boris S. Mordukhovich

Mathematics Research Reports

This paper concerns the study of the so-called super minimizers related to the concept of super efficiency in constrained problems of multiobjective optimization, where cost mappings are generally set-valued. We derive necessary conditions for super minimizers on the base of advanced tools of variational analysis and generalized differentiation that are new in both finite-dimensional and infinite-dimensional settings for problems with single-valued and set-valued objectives.

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Image-Based Color Schemes, Bryan S. Morse, Daniel Thornton, Qing Xia, John Uibel

Faculty Publications

This paper presents a novel method for generating color schemes based on images intended to anchor color designs. This has wide applicability for web pages, printed materials, or other applications where images are used as a key part of the overall design. Unlike methods that are variants of color quantization and try to pixel-wise approximate the image, this method draws on graphic-design principles by emphasizing hue selection first, weighting effects of color by saturation, and considering the local spatial coherency in order to determine the overall visual impact of a color. Results demonstrate that the method generalizes to a wide …

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Self-Assembled Biomimetic Antireflection Coatings, Nicholas C. Linn, Chih-Hung Sun, Peng Jiang, Bin Jiang

Mathematics and Statistics Faculty Publications and Presentations

The authors report a simple self-assembly technique for fabricating antireflection coatings that mimic antireflective moth eyes. Wafer-scale, nonclose-packed colloidal crystals with remarkable large hexagonal domains are created by a spin-coating technology. The resulting polymer-embedded colloidal crystals exhibit highly ordered surface modulation and can be used directly as templates to cast poly(dimethylsiloxane) (PDMS) molds. Moth-eye antireflection coatings with adjustable reflectivity can then be molded against the PDMS master. The specular reflection of replicated nipple arrays matches the theoretical prediction using a thin-film multilayer model. These biomimetic films may find important technological application in optical coatings and solar cells.

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Variable Intensity Of Teleconnections During The Late Holocene In Subtropical North America From An Isotopic Study Of Speleothem From Florida, Philip E. Van Beynen, Yemane Asmerom, Victor J. Polyak, Limaris R. Soto, Jason S. Polk

School of Geosciences Faculty and Staff Publications

The persistence and influence of both tropical and extra‐tropical teleconnections on the hydrology of subtropical North America are little understood. Major atmospheric‐oceanic controls on the isotopic composition of the precipitation reconstructed from a 1,000 year old stalagmite are the North Atlantic Oscillation (NAO) and the Pacific Decadal Oscillation (PDO). These teleconnections create decadal‐ to centennial‐scale changes in the seasonal distribution of precipitation. An increase in the winter proportion of annual precipitation coincides with negative phase NAO conditions and a positive phase PDO. However, the PDO's influence appears to be weakened when it is out of phase with the El Niño …

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Eastern, Fall 2007, Eastern Washington University. Division Of University Relations.

Alumni Publications

This issue contains and article on Lt. Col. Bob Boucher as a Marine One pilot, EWU students and their community service in New Orleans, Louisiana, EWU student athlete Alexis Alexander, and an interview with faculty from the College of Business and Public Administration. It also has an article on research done on children of incarcerated individuals, and an article done by a student on climate change in Australia 25 million years ago.

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Thermal Stability Of Nanostructurally Stabilized Zirconium Oxide, Fereydoon Namavar, Gonghua Wang, Chin Li Cheung, Xiao Cheng Zeng, Renat F. Sabirianov, Wai-Ning Mei, Jaeil Bai, Joseph R. Brewer, Hani Haider, Kevin L. Garvin

Physics Faculty Publications

Nanostructurally stabilized zirconium oxide (NSZ) hard transparent films were produced without chemical stabilizers by the ion beam assisted deposition technique (IBAD). A transmission electron microscopy study of the samples produced below 150 °C revealed that these films are composed of zirconium oxide (ZrO₂) nanocrystallites of diameters 7.5 ± 2.3 nm. X-ray and selected-area electron diffraction studies suggested that the as-deposited films are consistent with cubic phase ZrO₂. Rutherford backscattering spectroscopy (RBS) indicated the formation of stoichiometric ZrO₂. The phase identity of these optically transparent NSZ films was in agreement with cubic ZrO₂, …

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Quantitative Risk Management: Policy Manual, Lehman Brothers Holdings Inc.

Documents

Policy Manual September 2007

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Magnetic Properties Of Variable-Sized Fe3o4 Nanoparticles Synthesized From Non-Aqueous Homogeneous Solutions Of Polyols, D. Caruntu, Gabriel Caruntu, Charles J. O'Connor

Chemistry Faculty Publications

The magnetic behaviour of well-dispersed monodisperse Fe3O4 nanoparticles with sizes varying between 6.6 and 17.8 nm prepared in a non-aqueous medium was investigated. The smaller nanocrystals exhibit superparamagnetism with the blocking temperatures increasing with the particle size, whereas the biggest particles are ferromagnetic at room temperature. The saturation magnetization values are slightly smaller than that of the bulk material, suggesting the existence of a disordered spin configuration on their surface. The thickness of the magnetically inert shell was estimated from the size variation of the magnetization at 1.9 Å. The dipole–dipole interactions between the particles were tuned by changing the …

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Other Voices, Other Ways, Better Practices: Bridging Local And Professional Environmental Knowledge, Kim M. Wilkinson, Susan G. Clark, William R. Burch

Yale School of the Environment Publications Series

No abstract provided.

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Imminently Eminent: A Game Theoretic Analysis Of Takings Since Kelo V. City Of New London, Alex Hornaday

Washington and Lee Law Review

No abstract provided.

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Full-Text Articles in Entire DC Network

Mathematics Library News 2, Aaron Lercher

Faculty Publications

The Contributions Of Dominic Welsh To Matroid Theory, James Oxley

Faculty Publications

Flying The Friendly Furman Skies, Furman University

Furman Magazine

Furman Alumni News, Furman University

Furman Magazine

2006-2007 Profile, Morehead State University. Institutional Research & Analysis.

Office of Institutional Research & Analysis Publication Archive

Barriers To The Implementation Of Project Lead The Way As Perceived By Indiana High School Principals, C. J. Shields

Journal of STEM Teacher Education

Continuing Teacher Professional Development In Post-Soviet Kyrgyzstan, Rahat Joldoshalieva

Institute for Educational Development, Karachi

Bayesian Estimation Via Sequential Monte Carlo Sampling-Constrained Dynamic Systems, Lixin Lang, Wen-Shiang Chen, Bhavik R. Bakshi, Prem K. Goel, Sridhar Ungarala

Chemical & Biomedical Engineering Faculty Publications

Evaluating Opportunistic Routing Protocols With Large Realistic Contact Traces, Libo Song, David Kotz

Dartmouth Scholarship

Environmental Controls On The Landscape-Scale Biogeography Of Stream Bacterial Communities, Noah Fierer, Jennifer L. Morse, Sean T. Berthrong, Emily S. Bernhardt, Robert B. Jackson

Environmental Science and Management Faculty Publications and Presentations

A Novel Empirical Free Energy Function That Explains And Predicts Protein–Protein Binding Affinities, Joseph Audie, Suzanne Scarlata

Chemistry & Physics Faculty Publications

C&I 402.01: Teaching Mathematics K-8, Georgia A. Cobbs

University of Montana Course Syllabi

Experimentally Constrained Molecular Relaxation: The Case Of Hydrogenated Amorphous Silicon, Parthapratim Biswas, Raymond Atta-Fynn, D. A. Drabold

Faculty Publications

Assess And Assist: Capacity Building For All Teachers Of Students – With And Without Learning Difficulties, Ken Rowe

Student learning processes

Making Use Of Bilingual Interview Data: Some Experiences From The Field, Nelofer Halai

Institute for Educational Development, Karachi

A Survey Of Schema Matching Research, Roger Blake

College of Management Working Papers and Reports

Evaluating Bag-Of-Visual-Words Representations In Scene Classification, Jun Yang, Yu-Gang Jiang, Alexander G. Hauptmann, Chong-Wah Ngo

Research Collection School Of Computing and Information Systems

Novelty Detection For Cross-Lingual News Stories With Visual Duplicates And Speech Transcripts, Xiao Wu, Alexander G. Hauptmann, Chong-Wah Ngo

Research Collection School Of Computing and Information Systems

Difference Computation Of Large Models, Christoph Treude, Stefan Berlik, Sven Wenzel, Udo Kelter

Research Collection School Of Computing and Information Systems

Anonymous And Authenticated Key Exchange For Roaming Networks, Guomin Yang, Duncan S. Wong, Xiaotie Deng

Research Collection School Of Computing and Information Systems

Necessary Conditions For Super Minimizers In Constrained Multiobjective Optimization, Truong Q. Bao, Boris S. Mordukhovich

Mathematics Research Reports

Image-Based Color Schemes, Bryan S. Morse, Daniel Thornton, Qing Xia, John Uibel

Faculty Publications

Self-Assembled Biomimetic Antireflection Coatings, Nicholas C. Linn, Chih-Hung Sun, Peng Jiang, Bin Jiang

Mathematics and Statistics Faculty Publications and Presentations

Variable Intensity Of Teleconnections During The Late Holocene In Subtropical North America From An Isotopic Study Of Speleothem From Florida, Philip E. Van Beynen, Yemane Asmerom, Victor J. Polyak, Limaris R. Soto, Jason S. Polk

School of Geosciences Faculty and Staff Publications

Eastern, Fall 2007, Eastern Washington University. Division Of University Relations.

Alumni Publications

Thermal Stability Of Nanostructurally Stabilized Zirconium Oxide, Fereydoon Namavar, Gonghua Wang, Chin Li Cheung, Xiao Cheng Zeng, Renat F. Sabirianov, Wai-Ning Mei, Jaeil Bai, Joseph R. Brewer, Hani Haider, Kevin L. Garvin

Physics Faculty Publications

Quantitative Risk Management: Policy Manual, Lehman Brothers Holdings Inc.

Documents

Magnetic Properties Of Variable-Sized Fe3o4 Nanoparticles Synthesized From Non-Aqueous Homogeneous Solutions Of Polyols, D. Caruntu, Gabriel Caruntu, Charles J. O'Connor

Chemistry Faculty Publications

Other Voices, Other Ways, Better Practices: Bridging Local And Professional Environmental Knowledge, Kim M. Wilkinson, Susan G. Clark, William R. Burch

Yale School of the Environment Publications Series

Imminently Eminent: A Game Theoretic Analysis Of Takings Since Kelo V. City Of New London, Alex Hornaday

Washington and Lee Law Review