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  • The Alexander polynomial

    Creator:
    Scherich, Nancy
    Abstract:
    The Alexander polynomial is a well understood classical knot invariant with interesting symmetry properties and recent applications in knot Floer homology. There are many different ways to compute the Alexander polynomial, some involving algebraic techniques and others more geometric or combinatorial approaches. This is an interesting example of how different...
    Resource Type:
    Capstone Project
    Full Text:
    ) generated by {cii}291, so [T-i(C)] = >cid for some ci E Z. Thus THE ALEXANDER POLYNOMIAL 17 -r'"(z

  • Pillaging Bloodwood: An Exploratory Examination of Illegal Deforestation in Guinea-Bissau Through Forest Disturbance Algorithms and Unsupervised Clustering Techniques

    Creator:
    Walters, Alexander E.
    Abstract:
    Environmental crime around the world, such as trafficking in illegal timber, is directly related to political instability. Traffickers exploit weak, fragile, and chaotic political circumstances to illegally extract high-value commodities, challenging the extent to which conservation goals are achievable in resource rich developing countries. Rosewood is the largest traded endangered...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Alex E. Walters for the

  • Spherical mirror resonators and optical mode selection

    Creator:
    Adrion, Robert Foisy
    Abstract:
    This is a review paper based on recent literature in the areas of spherical mirror resonators and optical mode selection. The Fabry-Perot interferometer with spherical mirrors has been widely used as a laser resonator. The modes of oscillation, diffraction losses and resonance condition are determined for the confocal resonator, i.e....
    Resource Type:
    Masters Thesis
    Full Text:
    = i e-ikb (-1)m 2c [R(1) (c,1)]2 Tr om (2 -17) So, for a given value of c, there is an infinite

  • Analysis of the D. C. electric field for a pipeline in a three layered earth

    Creator:
    Brandenstein, Albert Edward
    Abstract:
    This paper develops an equation, from an heuristic set of assumptions, which describes the axial current, leakage current, resultant electric field, and resultant earth potential occurring when a pipeline buried within a resistive earth is subjected to a distributed, primary, axial, electrostatic field produced from a high-voltage, direct-current (HVDC) power...
    Resource Type:
    Dissertation
    Full Text:
    approved: G. C. Alexander This paper develops an equation, from an heuristic set of as- sumptions, which

  • Harmonic currents in Static Vars Compensators

    Creator:
    Leelanukrom, Pricha
    Resource Type:
    Masters Thesis
    Full Text:
    Abstract approved: Redacted for Privacy G.C. Alexander General background and theory of Static Vars

  • Analysis and synthesis of exponentially tapered, nonuniform transmission line impedance transformers

    Creator:
    David, Frank Kolar
    Abstract:
    The exponentially tapered, nonuniform transmission' line, applied as an impedance transformer, is analyzed and modified. The analysis develops an expression for the input reflection coefficient that has the magnitude and phase as distinct functions. This allows ease in comparing the approximate and exact solutions and in developing the S-parameters for...
    Resource Type:
    Masters Thesis
    Full Text:
    Impedance Transformers Abstract approved: Signet re) (Gerald C. Alexander) The exponentially tapered

  • Instrumentation system for high speed data sampling of electrical machinery

    Creator:
    Brisbine, Glen Edward
    Abstract:
    The objective of this thesis is to develop criteria for a data acquisition system for electrical machinery capable of sampling a signal every 0.2 msec with a desired accuracy of 0.1%. The system to be measured includes both AC and DC voltage and current signals from several points. The main...
    Resource Type:
    Masters Thesis
    Full Text:
    acknowledge the patience shown and the willing assistance and advice given by Dr. G. C. Alexander during the

  • Identification of synchronous machine parameters

    Creator:
    Shaban, Ali Omar
    Abstract:
    The synchronous machine is an essential component of a power system and determination of its parameters accurately is an important task in securing adequate modes of operation through certain control strategies. An estimation technique based on the Powell algorithm was evaluated for the identification of these parameters on the basis...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: Redacted for Privacy Gerald Corwin Alexander The synchronous machine is an essential

  • Applications of mathematical programming techniques in optimal power flow problems

    Creator:
    Li, Ruqi
    Abstract:
    In the past two decades, a great amount of attention has been paid to investigating the economic and safe operation of power systems using modern mathematical techniques. The classic economic dispatch problem, now often called the Optimal Power Flow problem, has been formulated as a mathematical optimization problem and has...
    Resource Type:
    Masters Thesis
    Full Text:
    Ruqi Li ACKNOWLEDGEMENT I am grateful to Dr. G.C. Alexander, my major professor and thesis advisor

  • Verifying safe use of a thinner aluminum scattering chamber for fission physics

    Creator:
    Porter, Eben, Jr.
    Abstract:
    This thesis describes calculations done to determine the radiation hazard of the current Prompt Gamma Neutron Activation Analysis (PGNAA) scattering chamber at the Oregon State TRIGA Reactor (OSTR) and compare it to the amount that would be given off by a new thin-walled chamber design. These calculations were completed with...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Alexander Chemey Abstract This thesis describes calculations done to determine the