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Articles 241 - 270 of 641
Full-Text Articles in Applied Mathematics
Schedule (2013), Association Of Christians In The Mathematical Sciences
Schedule (2013), Association Of Christians In The Mathematical Sciences
ACMS Conference Proceedings 2013
Nineteenth Conference of the Association of Christians in the Mathematical Sciences
Table Of Contents (2013), Association Of Christians In The Mathematical Sciences
Table Of Contents (2013), Association Of Christians In The Mathematical Sciences
ACMS Conference Proceedings 2013
Nineteenth Conference of the Association of Christians in the Mathematical Sciences
19th Conference Of The Associations Of Christians In The Mathematical Sciences, Association Of Christians In The Mathematical Sciences
19th Conference Of The Associations Of Christians In The Mathematical Sciences, Association Of Christians In The Mathematical Sciences
ACMS Conference Proceedings 2013
Association of Christians in the Mathematical Sciences 19th Biennial Conference Proceedings, May 29 - June 1, 2011, Bethel University.
Four Named To Endowed Professorships, Kim Hill
Four Named To Endowed Professorships, Kim Hill
News and Events (Discontinued Series)
No abstract provided.
Mathematics Professor’S Publications Add Up, Kim Hill
Mathematics Professor’S Publications Add Up, Kim Hill
News and Events (Discontinued Series)
No abstract provided.
Modeling And Mathematical Analysis Of Plant Models In Ecology, Eric A. Eager
Modeling And Mathematical Analysis Of Plant Models In Ecology, Eric A. Eager
Department of Mathematics: Dissertations, Theses, and Student Research
Population dynamics tries to explain in a simple mechanistic way the variations of the size and structure of biological populations. In this dissertation we use mathematical modeling and analysis to study the various aspects of the dynamics of plant populations and their seed banks.
In Chapter 2 we investigate the impact of structural model uncertainty by considering different nonlinear recruitment functions in an integral projection model for Cirsium canescens. We show that, while having identical equilibrium populations, these two models can elicit drastically different transient dynamics. We then derive a formula for the sensitivity of the equilibrium population to …
Quantitative Reasoning And Sustainability, Corrine H. Taylor
Quantitative Reasoning And Sustainability, Corrine H. Taylor
Numeracy
Quantitative Reasoning and Sustainability have much in common. Both are complex, nuanced concepts with rather long definitions that have evolved over time. Both subjects are “everybody’s business” on college campuses, and must be approached in courses across the curriculum, not merely in one course on QR or in one course on Sustainability. The growing, wider presence of both QR and Sustainability on college campuses is due to their applicability in individuals’ personal, professional, and public lives. Moreover, QR and Sustainability support and enhance each other in and out of the classroom. Sustainability is an important, authentic, relevant context for lessons …
Half-Life Learning Curves In The Defense Acquisition Life Cycle, Adedeji B. Badiru
Half-Life Learning Curves In The Defense Acquisition Life Cycle, Adedeji B. Badiru
Faculty Publications
Learning curves are useful for assessing performance improvement due to the positive impact of learning. In recent years, the deleterious effects of forgetting have also been recognized. Workers experience forgetting or decline in performance over time. Consequently, contemporary learning curves have attempted to incorporate forgetting components into learning curves. An area of increasing interest is the study of how fast and how far the forgetting impact can influence overall performance. This article introduces the concept of half-life analysis of learning curves using the concept of growth and decay, with particular emphasis on applications in the defense acquisition process. The computational …
Systems Of Nonlinear Wave Equations With Damping And Supercritical Sources, Yanqiu Guo
Systems Of Nonlinear Wave Equations With Damping And Supercritical Sources, Yanqiu Guo
Department of Mathematics: Dissertations, Theses, and Student Research
We consider the local and global well-posedness of the coupled nonlinear wave equations
utt – Δu + g1(ut) = f1(u, v)
vtt – Δv + g2(vt) = f2(u, v);
in a bounded domain Ω subset of the real numbers (Rn) with a nonlinear Robin boundary condition on u and a zero boundary conditions on v. The nonlinearities f1(u, v) and f2(u, v) are with supercritical exponents …
Computational Insight With Monte Carlo Simulations, Boyan Kostadinov
Computational Insight With Monte Carlo Simulations, Boyan Kostadinov
Publications and Research
We introduce Monte Carlo simulations for estimating areas by playing a game of "darts". We also introduce simulations of random walks. We use compact, vectorized programming, based on the R language, for all computer simulations and visualizations, aimed at high school students. This presentation is based on the Invited, prime time lecture given at the summer camp for gifted high school students at City College of New York, July 13, 2011.
Lesson’S Learned: A Journey In Computational Science, Ryan Botts, Lori Carter
Lesson’S Learned: A Journey In Computational Science, Ryan Botts, Lori Carter
ACMS Conference Proceedings 2011
Inspired by work on building a computational science program and student questions about modeling, we aim to discuss some of our experiences with computational science. We will first clarify what computational science is, why it is a legitimate science, why it is worth our students’ time and what makes it a challenging field. We will also discuss how computer scientists, mathematicians and laboratory scientists each have something different to contribute to the field.
A Bayesian Secondary Analysis In An Asthma Study, Samuel P. Wilcock, Vernon M. Chinchilli, Stephen P. Peters
A Bayesian Secondary Analysis In An Asthma Study, Samuel P. Wilcock, Vernon M. Chinchilli, Stephen P. Peters
ACMS Conference Proceedings 2011
A recent study published in the New England Journal of Medicine by the Asthma Clinical Research Network (ACRN) compared three different treatments for their effectiveness in treating adults with uncontrolled asthma. This paper will describe the study design and its results, then detail the beginnings of a secondary analysis using Bayesian methods to estimate the parameters of interest. The methods will be explained, and the preliminary estimates given and contextualized. The paper will conclude with a discussion of the next steps and the goals for further analysis of the data in this study.
What We Can Learn From Process Theology: Integrating Faith And Mathematics, Josh Wilkerson
What We Can Learn From Process Theology: Integrating Faith And Mathematics, Josh Wilkerson
ACMS Conference Proceedings 2011
In the inaugural issue of The Journal of the Association of Christians in the Mathematical Sciences, James Bradley, the founding editor, suggests fourteen areas that need to be addressed by Christian mathematicians who are series about integrating their faith and their work. One of those areas is the topic of this paper. Bradly frames the question: “Some thinkers (perhaps influenced by process theology) have asserted the idea that God’s creation is not a finished work but that he creates new mathematical objects through mathematicians. Is this idea theologically sound? Is it helpful for our understanding of mathematics?” I copy …
Google And The Mathematics Of Web Search, Michael Rempe
Google And The Mathematics Of Web Search, Michael Rempe
ACMS Conference Proceedings 2011
This article examines the algorithms used by Google to rank search engine results, called PageRank.
Calculus Communication Circle, Judith Palagallo
Calculus Communication Circle, Judith Palagallo
ACMS Conference Proceedings 2011
Calculus Communication Circle is a network for the professional development of Advanced Placement Calculus teachers. In Northeast Ohio the Circle provides a forum where teachers meet to share ideas about mathematics and the teaching of calculus. This article describes the creation of the Circle and the progress it has made over its three year existence.
Using Original Historical Mathematics Texts In The Classroom, Maria Zack
Using Original Historical Mathematics Texts In The Classroom, Maria Zack
ACMS Conference Proceedings 2011
Incorporating information from the history of mathematics into undergraduate mathematics courses is an effective way to help students make connections between the mathematics they are learning and their general education courses. It also helps students to see mathematics as living subject that has changed over time. One way to introduce historical topics into a variety of classes is through the use of original mathematical texts. This paper describes how non-experts can make use of original texts and provides sources for identifying candidate texts.
The Mathematics Of Cubic Sudoku, Nicholas Zoller
The Mathematics Of Cubic Sudoku, Nicholas Zoller
ACMS Conference Proceedings 2011
In the last decade the Sudoku puzzle has fixed itself in America’s puzzle consciousness. Sudoku puzzles share space with crossword puzzles and word finds in newspaper puzzle sections, and several books have been written for the Sudoku playing community. Mathematicians are among the most dedicated Sudoku players. Although some are content with simply solving puzzle after puzzle, others have used tools from combinatorics and algebra to study its important properties.
We investigate a variant of Sudoku called Cubic Sudoku, as well as Cubic Sudoku’s simpler relative, Cubic Shidoku. We successfully count the number of Cubic Shidoku puzzles in two different …
Math History Study Abroad Program: Learning Math History In A Cultural Context, Donna Pierce
Math History Study Abroad Program: Learning Math History In A Cultural Context, Donna Pierce
ACMS Conference Proceedings 2011
In January 2011 fifteen Whitworth University mathematics students and I, their professor, traveled through Europe to study the history of mathematics. The goal was to gain an understanding of how mathematical ideas have developed over time; how social, cultural and historical factors have influenced the development of mathematics and conversely, how mathematics contributed to society and human culture. Over a course of three weeks we traveled to three countries and over a half dozen cities, viewing the tools, papers and workbooks or these mathematicians, seeing their engineering and artistic creations, and learning from local experts as they guided us through …
Thinking Philosophically About Mathematics, Robert L. Brabenec
Thinking Philosophically About Mathematics, Robert L. Brabenec
ACMS Conference Proceedings 2011
In my early years as a teacher of mathematics, the history of mathematics was seldom mentioned in the classroom. It was viewed as an unworthy topic that would detract from the presentation of mathematics itself. This opinion has dramatically changed over the years, and the history of mathematics is now embraced and used by many mathematicians in their teaching and even research. We might choose to ask a related question. How much philosophy is necessary or helpful for a mathematics teacher to know, and to use in his or her teaching? We see a growing interest in the philosophy of …
The Need For A Graphics Programming Course, Nathan Gossett
The Need For A Graphics Programming Course, Nathan Gossett
ACMS Conference Proceedings 2011
A discussion of the benefits of offering a course on programming Computer Graphics in an undergraduate Computer Science curriculum. A sample course outline is provided, as well as a discussion of ways to conduct lectures, labs and a list of suggested assignments. A discussion of “dos and don’t s will also be presented, including a list of required prerequisite courses and skills that students would need in order for the course to be a success.
Bringing Undergraduate Research Into The Classroom, Stephen Lovett
Bringing Undergraduate Research Into The Classroom, Stephen Lovett
ACMS Conference Proceedings 2011
Mathematics graduate programs and companies that employ math majors often want to ascertain an applicant’s potential for research. However, in many undergraduate courses, assessments consist only of regular exercise sets, quizzes, and in-class tests. Without doing a senior research thesis or landing an official REUs, students do not regularly gain experience in or an appreciation for research. Courses in the humanities regularly require students to write in the discipline, progressively preparing them methodologically for “writing in the field.” This begs the question: could math departments do a little more to prepare our students to use mathematics beyond college?
In this …
Real Simulations And Simulated Reality, Wayne Iba
Real Simulations And Simulated Reality, Wayne Iba
ACMS Conference Proceedings 2011
Movies such as The Matrix have stimulated popular interest in “brain in a vat” scenarios. Amidst the traditional questions of the mind, we tend to overlook an integral enabling component—the world simulation—which merits consideration in its own right. When facing the simulations in these imagined scenarios, we struggle with conceptual muddles regarding what is real and not. In this paper, I argue that simulated worlds are every bit as real as the one we inhabit. This turns out to be important when considering the possibility, as suggested by Nick Bostrom, that the world we experience as “real” is actually a …
Pk Mathematics, Jeremy Case
Pk Mathematics, Jeremy Case
ACMS Conference Proceedings 2011
An examination of the historical development of mathematics and how mathematical history has changed by looking at mathematicians who were also PKs (Preacher’s Kids).
History Of Mathematics: An Exercise In Strengths, Mary Walkins
History Of Mathematics: An Exercise In Strengths, Mary Walkins
ACMS Conference Proceedings 2011
As a leader in strengths-based education, Lee University encourages each new student, since fall of 2003, to take the Gallup StrengthsFinder to determine their top 5 signature themes (out of a possible 34). At Lee, the syllabus for the History of Mathematics course calls for students to write a paper on a mathematician. In the fall of 2009, as an added dimension, students were asked to critically think about and incorporate the strengths they believe that mathematician may have. Each student was required to compare and contrast his or her strengths with those of the mathematician. This was done with …
The Study Of Mathematics: A Text From A Christian Perspective, Doug Phillippy
The Study Of Mathematics: A Text From A Christian Perspective, Doug Phillippy
ACMS Conference Proceedings 2011
This paper examines the integration of the Christian faith with the teaching of mathematical texts using the author’s textbook, The Study of Mathematics: Developing a mature understanding of mathematical thought, with consideration of Christian faith and vocation.
The History Of The Area Between A Line And A Parabola, Gordon A. Swain
The History Of The Area Between A Line And A Parabola, Gordon A. Swain
ACMS Conference Proceedings 2011
This is a review of various methods used by many mathematicians to determine the area of the segment bounded by a parabola and a line. We include descriptions of proofs from the Greek period (Archimedes), the Arabic period (ibn Qurra and ibn Sinan), and the 1600's in European (Galileo, Roberval, Fermat and Wallis, among others), in order to display the changing nature of mathematics.
Pascal’S Thoughts Seen In The Light Of Scripture, Loredana Ciurariu
Pascal’S Thoughts Seen In The Light Of Scripture, Loredana Ciurariu
ACMS Conference Proceedings 2011
In this paper we study Pascal’s character via his writings. There are indications that his health might have deteriorated following the experiments he had done using mercury. He talks in his Pensées about faith, grace and purity of the heart, about the peoples and the way in which God leads them, about wisdom, dreams and hopes and that which lies in the human heart. If a statistics was done concerning the most used books and verses from the Bible in Pensées, these would be: Ecclesiastes, Proverbs, Matthew, Mark, Jeremiah, Hebrews, Romans, Luke, Isaiah, Psalms. But those which occupy a central …
Two Faith Integration Projects For Freshman Majors, Nicholas J. Willis
Two Faith Integration Projects For Freshman Majors, Nicholas J. Willis
ACMS Conference Proceedings 2011
Two projects will be presented that integrate faith and Mathematics in a freshman Introduction to Proofs class at George Fox University. The first project asks students to look at the life of a Christian Mathematician. The focus of this project is to show students that many great mathematicians also had immense faith. The second project asks students to take a close look at their own life. How do they plan to live a life of Christian faith in their chosen profession? Both projects are designed to encourage students to look at their careers in Mathematics as a vocation.
The Search For Hamilton, Eric Gossett
The Search For Hamilton, Eric Gossett
ACMS Conference Proceedings 2011
In July and August of 2009 my wife and I went on a four-week trip to Scotland and Ireland. We would be visiting Dublin, so I decided that we should visit the famous bridge where William Rowan Hamilton carved the equations for the quaternions. The task was not as simple as I had assumed. This paper gives some details of the search.
Where, Oh Waring? The Classic Problem And Its Extensions, Brian D. Beasley
Where, Oh Waring? The Classic Problem And Its Extensions, Brian D. Beasley
ACMS Conference Proceedings 2011
This paper will sketch brief outlines of Edward Waring’s life and the history behind the eventual solution to his famous conjecture about expressing positive integers as the sum of kth powers. In addition, it will present some of the related questions currently being studied, such as expressing sufficiently large integers as sums of powers, sums of powers of primes, and sums of unlike powers.