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Claremont Colleges

1999

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Model Updating By Adding Known Masses And Stiffnesses, Philip D. Cha, Lisette G. De Pillis Jan 1999

Model Updating By Adding Known Masses And Stiffnesses, Philip D. Cha, Lisette G. De Pillis

All HMC Faculty Publications and Research

New approaches are developed to update the analytical mass and stiffness matrices of a system. By adding known masses to the structure of interest, measuring the modes of vibration of this mass-modified system, and finally using this set of new data in conjunction with the initial modal survey, the mass matrix of the structure can be corrected. A similar approach can also be used to update the stiffness matrix of the system by attaching known stiffnesses. Manipulating the mass and stiffness correction matrices into vector forms, the connectivity information can be enforced, thereby preserving the physical configuration of the system, …


An Inverse Function Theorem, Alfonso Castro, J. W. Neuberger Jan 1999

An Inverse Function Theorem, Alfonso Castro, J. W. Neuberger

All HMC Faculty Publications and Research

In this note we present a local surjectivity result which is applicable to differential equations for which full boundary conditions may not be known. Our method uses continuous steepest descent and Sobolev gradients.


Black Holes And The Sym Phase Diagram, Miao Li, Emil Martinec, Vatche Sahakian Jan 1999

Black Holes And The Sym Phase Diagram, Miao Li, Emil Martinec, Vatche Sahakian

All HMC Faculty Publications and Research

Making combined use of the matrix and Maldacena conjectures, the relation between various thermodynamic transitions in super Yang-Mills (SYM) theory and supergravity is clarified. The thermodynamic phase diagram of an object in DLCQ M theory in four and five non-compact space dimensions is constructed; matrix strings, matrix black holes, and black p-branes are among the various phases. Critical manifolds are characterized by the principles of correspondence and longitudinal localization, and a triple point is identified. The microscopic dynamics of the matrix string near two of the transitions is studied; we identify a signature of black hole formation from SYM physics.


A Theoretical Study Of The Electronic Coupling Element For Electron Transfer In Water, Newt E. Miller '99, Matthew C. Wander '97, Robert J. Cave Jan 1999

A Theoretical Study Of The Electronic Coupling Element For Electron Transfer In Water, Newt E. Miller '99, Matthew C. Wander '97, Robert J. Cave

All HMC Faculty Publications and Research

The electronic coupling element for electron transfer between a donor and acceptor in water is examined using simulations combining molecular dynamics and semiempirical quantum mechanics. In the first phase of the simulations a model donor and acceptor are solvated in water, using realistic potentials. Following equilbration, molecular dynamics simulations are performed with the donor, acceptor, and water at approximately 300 K, under periodic boundary conditions. In the second phase of the simulation, the electronic coupling element between the donor and acceptor is calculated for a number of time slices, in the presence of the intervening water molecules (those having a …


The Bordalo Order On A Commutative Ring, Melvin Henriksen, Frank A. Smith Jan 1999

The Bordalo Order On A Commutative Ring, Melvin Henriksen, Frank A. Smith

All HMC Faculty Publications and Research

If R is a commutative ring with identity and ≤ is defined by letting a ≤ b mean ab = a or a = b, then (R,≤) is a partially ordered ring. Necessary and sufficient conditions on R are given for (R,≤) to be a lattice, and conditions are given for it to be modular or distributive. The results are applied to the rings Zn of integers mod n for n ≥ 2. In particular, if R is reduced, then (R,≤) is a lattice iff R is a weak Baer ring, and (R,≤) is a distributive lattice iff R …


Film Review: The Thin Red Line, James Morrison Jan 1999

Film Review: The Thin Red Line, James Morrison

CMC Faculty Publications and Research

In Malick's new film, his first in 20 years, this tension is gone. The Thin Red Line, based on James Jones' 1962 novel of World War II, pursues the strains of ardent feeling of the director's earlier work but, without seeming to renounce it, forsakes the irony. The core of the film follows an American battalion's fight against the Japanese for a hill at Guadalcanal, and although this core provides dramatic grounding for the movie, it is flanked at both ends, beginning and end, by stretches of storytelling so fragmentary, so mercurial, they're nearly abstract.


Stalker, James Morrison Jan 1999

Stalker, James Morrison

CMC Faculty Publications and Research

No abstract provided.


Closing History's Door: Nationality, Identity, And The Wars Of Independence In Nineteenth-Century Latin American Historical Novels, Lee Joan Skinner Jan 1999

Closing History's Door: Nationality, Identity, And The Wars Of Independence In Nineteenth-Century Latin American Historical Novels, Lee Joan Skinner

CMC Faculty Publications and Research

No abstract provided.


Review: Jean-Claude Schmitt, Ghosts In The Middle Ages: The Living And The Dead In Medieval Society (Chicago, 1998), Kenneth Baxter Wolf Jan 1999

Review: Jean-Claude Schmitt, Ghosts In The Middle Ages: The Living And The Dead In Medieval Society (Chicago, 1998), Kenneth Baxter Wolf

Pomona Faculty Publications and Research

Reviews the book `Ghosts in the Middle Ages: The Living and the Dead in Medieval Society,' by Jean-Claude Schmitt Jr. and translated by Teresa Lavender Fagan.


Parallel Traditions: State Folk Dance Ensembles And Folk Dance In "The Field", Anthony Shay Jan 1999

Parallel Traditions: State Folk Dance Ensembles And Folk Dance In "The Field", Anthony Shay

Pomona Faculty Publications and Research

In this introductory essay I put forth several concepts and elements that can be profitably examined before any meaningful analysis of these ensembles and their choreographic output can be properly addressed. These include issues of authenticity and representation, as well as the variety of social and technical restrictions and limitations—political, financial, artistic—faced by the artistic directors of these companies. Thus, the main intent of this essay is to establish a theoretical and methodological model for the study of professional and semi-professional state folk dance ensembles as well as the numerous amateur performing and exhibition groups that emulate the state dance …


One-Year Prospective Prediction Of Violence Perpetration Among High Risk Youth From Personal And Social-Environmental Variables, Alan W. Stacy, Steve Sussman, Thomas R. Simon, Clyde W. Dent, Jill M. Steinberg Jan 1999

One-Year Prospective Prediction Of Violence Perpetration Among High Risk Youth From Personal And Social-Environmental Variables, Alan W. Stacy, Steve Sussman, Thomas R. Simon, Clyde W. Dent, Jill M. Steinberg

CGU Faculty Publications and Research

Objective: Measures of drug use, law-abidance beliefs, sensation seeking, fear of victimization, high-risk group identification, self- protection needs and behaviors, and demographics were investigated as longitudinal predictors of violence perpetration among 870 high-risk adolescents. Method: Self-reports from the same youth were obtained 1-year apart. Results: In addition to baseline violence perpetration, marijuana use, relatively youn1 age, male sex, high-risk group self-identification, low perceived efficacy of the police department, and nonavoidance of dangerous places predicted later perpetrated violence. Conclusion: Personal and social factors beyond baseline violent behavior predict risk for future violent behavior.


The Future Of War, Robert J. Bunker Jan 1999

The Future Of War, Robert J. Bunker

CGU Faculty Publications and Research

No abstract provided.


Review: Strategy And The Revolution In Military Affairs: From Theory To Policy, Robert J. Bunker Jan 1999

Review: Strategy And The Revolution In Military Affairs: From Theory To Policy, Robert J. Bunker

CGU Faculty Publications and Research

No abstract provided.


Book Review: Columba Stewart, Cassian The Monk, Vincent L. Wimbush Jan 1999

Book Review: Columba Stewart, Cassian The Monk, Vincent L. Wimbush

CGU Faculty Publications and Research

This is a book review.


Was Joseph Smith A Gentleman? The Standard For Refinement In Utah, Richard Bushman Jan 1999

Was Joseph Smith A Gentleman? The Standard For Refinement In Utah, Richard Bushman

CGU Faculty Publications and Research

The question of refinement cut even more deeply in Utah in the early days when the governance of the territory was at issue. The Latter-day Saints worked with a double handicap in striving to win respect from eastern travelers: in addition to the usual doubts about civilization in the West, the visitors were skeptical about Mormon religious fanaticism. Travelers came expecting that the poor credulous fools who submitted to the rule of Brigham Young would lack education, manners, taste, and intelligence—in short,would be as degraded as the woodcutters Trollope sighted along the banks of the Mississippi. The Saints for their …


A Poet, A Planter, And A Nation Of Farmers, Richard Bushman Jan 1999

A Poet, A Planter, And A Nation Of Farmers, Richard Bushman

CGU Faculty Publications and Research

For the past few days in Harpers Ferry we have been inventing and reinventing American nationalism in a marvelous variegation of scholarly papers. We have heard about nationalism and travel, nationalism and antislavery women, nationalism and male identity--and southern artisans, and black nationalists, and even luxury hotels. Although we try to put ironic distance between ourselves and the more egregious forms of nationalism, the papers seem to share the popular fascination with American identity. We cannot resist staring into history and asking who we are as a nation, how did we come to be so wonderful, and why have we …


An M.F.A. In L.A., Ken Gonzales-Day Jan 1999

An M.F.A. In L.A., Ken Gonzales-Day

Scripps Faculty Publications and Research

The author, an artist, discusses M.F.A. (Masters of Fine Arts) degree programs in the Los Angeles area, with attention to the balance of theory and practice in these programs. Article is in both English and Spanish.


Extensions Of Power Transition: Applications To Political Economy, Jacek J. Kugler Jan 1999

Extensions Of Power Transition: Applications To Political Economy, Jacek J. Kugler

CGU Faculty Publications and Research

This is a paper about theory in political economy terms and political economy in theoretical terms. It unifies power transition theory and applies it to the central questions that now confront political economists. Will trade wars emerge as the security challenge declines? What are the economic effects of integration, trade and growth? How will economic patterns influence international power relationships? This paper offers a preliminary bridge whereon practitioners and theorist may meet to assess the challenges that lie at the intersection between politics and economics. The economic collapse and political dissolution of the Soviet Union left policymakers and scholars searching …


Customizable And Ontology-Enhanced Medical Information Retrieval Interfaces, Gondy Leroy, K.M. Tolle, Hsinchun Chen Jan 1999

Customizable And Ontology-Enhanced Medical Information Retrieval Interfaces, Gondy Leroy, K.M. Tolle, Hsinchun Chen

CGU Faculty Publications and Research

This paper describes the development and testing of the Medical Concept Mapper as an aid to providing synonyms and semantically related concepts to improve searching. All terms are related to the userquery and fit into the query context. The system is unique because its five components combine humancreated and computer-generated elements. The Arizona Noun Phraser extracts phrases from natural language user queries. WordNet and the UMLS Metathesaurus provide synonyms. The Arizona Concept Space generates conceptually related terms. Semantic relationships between queries and concepts are established using the UMLS Semantic Net. Two user studies conducted to evaluate the system are described.


Higher Dimensional Warfighting, Robert J. Bunker Jan 1999

Higher Dimensional Warfighting, Robert J. Bunker

CGU Faculty Publications and Research

This article will build upon earlier battlespace research by discussing higher dimensional warfighting and its potential impact upon future operations. Further, it will cover linear and nonlinear projections of the future battlefield, highlight recent research concerning five-dimensional {cyber} battlespace, analyze concepts and technologies underlying bond-relationship targeting and cybershielding and explore warfighting implications of redefined battlespace.


Deslanting The Lens, Lui Amador Jan 1999

Deslanting The Lens, Lui Amador

CGU Theses & Dissertations

Deslanting the Lens examines the historical and sociological implications of how Asian men have been represented in popular American film. From the early days of “yellowface” to caricatures like Long Duck Dong, Asian men have been relegated to perpetual foreigner status in American cinema. This paper will explore why the portrayal of Asian men has been limited to very specific ideas about Asian and Asian Americans are in society. This analysis will also include how socio/political events have shaped and influence popular perceptions about Asians, that inform how Asian men continue to be depicted in film.