Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 11856 for “"Fields"”.
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Octahedral fields for feature-aligned cross-fields
We present a method for designing smooth cross fields on surfaces that automatically align to sharp features of an underlying geometry. Our approach introduces a novel class of energies based on a representation of cross fields in the spherical harmonic basis. We provide theoretical analysis of …
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Genus Fields and Central Extensions of Number Fields
… genus group of an abelian extension of number fields using a four term exact sequence of abelian groups derived from work of Frohlich. There are two main results. First, if L/K is a cyclic l-extension, where l is a prime not dividing h(,K)('+), the narrow class number of K, then we determine …
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Clean Fields
<p><em>Clean Fields </em>is an exhibition consisting of 3 anthotypes and 11 drawings on paper mounted to panels. The work is part homage and part documentation of the emotionally restorative properties found in gardening. It is a contemporary view of a timeless activity. While the work references …
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Beyond The Fields
… In Mississippi I had the opportunity to see the fields of cotton reminiscent of the stories my family often told when I was young. My granddad told of how they loaded wagons to chop cotton in the spring and pick cotton in the fall. The values of a person were based on faith, family, and work. …
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Unstructured light fields
… for interactively acquiring and rendering light fields using a hand-held commodity camera. The main challenge we address is assisting a user in achieving good coverage of the 4D domain despite the challenges of hand-held acquisition. We define coverage by bounding reprojection error between …
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Quintic Abelian Fields
Quintic abelian fields are characterized in terms of their conductor and a certain Galois group. From these, a generating polynomial and its roots and an integral basis are computed. A method for finding the fundamental units, regulators and class numbers is then developed. Tables listing the …
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Algebraically closed fields with characters; differential-henselian monotone valued differential fields
… monotone valued differential fields. We also consider definability in differential-henselian monotone fields with c-map and angular component map.
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Polarimetry Of Random Fields
… and spectral scales which are small enough, all fields are fully polarized. In the optical regime, however, instantaneous fields can rarely be examined, and, instead, only average quantities are accessible. The study of polarimetry is concerned with both the description of electromagnetic fields …
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Independence in exponential fields
Zilber constructed a class of exponential�fields CFSK,CCP whose models have exponential-algebraic properties similar to the classical complex field with exponentiation Cexp. In this thesis we study this class and the more general classes ECFSK, also defined by Zilber, and ECF, studied by Zilber and …
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Locally finite near-fields
… give a coherent account of locally finite-near-fields, including finite ones. The well known results for finite near-fields are lised and proofs are given where appropriate. The results of Zassenhaus classify finite regular near-fields according to their order, pln, and the order of centres, pl, …
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Locally finite near-fields
… give a coherent account of locally finite-near-fields, including finite ones. The well known results for finite near-fields are lised and proofs are given where appropriate. The results of Zassenhaus classify finite regular near-fields according to their order, pln, and the order of centres, pl, …
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Visualization of lattice fields
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1989.
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Editing Conditional Radiance Fields
A neural radiance field (NeRF) is a scene model supporting high-quality view synthesis, optimized per scene. In this thesis, we explore enabling user editing of a category-level NeRF – also known as a conditional radiance field – trained on a shape category. Specifically, we introduce a method for …
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Conformally invariant quantum fields
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mathematics, 1986
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Dynamically reparameterized light fields
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, February 2001.
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Analytical approximations of surface fields induced on convex scatters by exteriorly incident scalar fields
The boundary value problems for the Helmholtz equation give rise to boundary integral equations for the unknown surface field or its normal derivative. These integral equations involve the Helmholtz surface potentials in the form of weakly singular surface integrals. This thesis is based on a …
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Elliptic Curves Over Finite Fields
… on the the theory of elliptic curves over finite fields. In Chapter 1, affine and projective planes are introduced. Chapter 2 introduces the theory of algebraic curves and the Weierstrass Normal Form of a cubic curve is derived. In Chapter 3 we define derivations on arbitrary polynomial rings, and …
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Geometry Processing with Neural Fields
… vector value. We coin such representation neural fields. Neural field can circumvent the common challenges of meshes and voxels because it doesn’t explicitly discretize the space and can be stored compactly. Moreover, it has the unique advantage of being easy to optimize in deep-learning …
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