Search Results - "Shonkwiler, Clayton"

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  1. 1

    Fusion Frame Homotopy and Tightening Fusion Frames by Gradient Descent by Needham, Tom, Shonkwiler, Clayton

    “…Finite frames, or spanning sets for finite-dimensional Hilbert spaces, are a ubiquitous tool in signal processing. There has been much recent work on…”
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  2. 2

    Symplectic geometry and connectivity of spaces of frames by Needham, Tom, Shonkwiler, Clayton

    Published in Advances in computational mathematics (01-02-2021)
    “…Frames provide redundant, stable representations of data which have important applications in signal processing. We introduce a connection between symplectic…”
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  3. 3

    THE SYMPLECTIC GEOMETRY OF CLOSED EQUILATERAL RANDOM WALKS IN 3-SPACE by Cantarella, Jason, Shonkwiler, Clayton

    Published in The Annals of applied probability (01-02-2016)
    “…A closed equilateral random walk in 3-space is a selection of unit length vectors giving the steps of the walk conditioned on the assumption that the sum of…”
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  4. 4

    Probability Theory of Random Polygons from the Quaternionic Viewpoint by Cantarella, Jason, Deguchi, Tetsuo, Shonkwiler, Clayton

    “…We build a new probability measure on closed space and plane polygons. The key construction is a map, given by Hausmann and Knutson, using the Hopf map on…”
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  5. 5

    Robocasting of Ceramic Fischer-Koch S Scaffolds for Bone Tissue Engineering by Baumer, Vail, Gunn, Erin, Riegle, Valerie, Bailey, Claire, Shonkwiler, Clayton, Prawel, David

    Published in Journal of functional biomaterials (30-04-2023)
    “…Triply Periodic Minimal Surfaces (TPMS) are promising structures for bone tissue engineering scaffolds due to their relatively high mechanical energy…”
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  6. 6

    Higher-dimensional linking integrals by SHONKWILER, CLAYTON, VELA-VICK, DAVID SHEA

    “…We derive an integral formula for the linking number of two submanifolds of the n, of the product S^n \times \mathbb{R}^m…”
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  7. 7

    Admissibility and frame homotopy for quaternionic frames by Needham, Tom, Shonkwiler, Clayton

    Published in Linear algebra and its applications (15-07-2022)
    “…We consider the following questions: when do there exist quaternionic frames with given frame spectrum and given frame vector norms? When such frames exist, is…”
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  8. 8

    Toric symplectic geometry and full spark frames by Needham, Tom, Shonkwiler, Clayton

    “…The collection of d×N complex matrices with prescribed column norms and singular values forms an algebraic variety, which we refer to as a frame space…”
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  9. 9

    New Stick Number Bounds from Random Sampling of Confined Polygons by Eddy, Thomas D., Shonkwiler, Clayton

    Published in Experimental mathematics (02-10-2022)
    “…The stick number of a knot is the minimum number of segments needed to build a polygonal version of the knot. Despite its elementary definition and relevance…”
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  10. 10

    Distributions of distances and volumes of balls in homogeneous lens spaces by Balch, Brenden, Peterson, Chris, Shonkwiler, Clayton

    Published in Differential geometry and its applications (01-02-2021)
    “…Lens spaces are a family of manifolds that have been a source of many interesting phenomena in topology and differential geometry. Their concrete construction,…”
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  11. 11

    The Complete Dirichlet-to-Neumann Map for Differential Forms by Sharafutdinov, Vladimir, Shonkwiler, Clayton

    Published in The Journal of geometric analysis (01-10-2013)
    “…The Dirichlet-to-Neumann map for differential forms on a Riemannian manifold with boundary is a generalization of the classical Dirichlet-to-Neumann map which…”
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  12. 12

    Random Triangles and Polygons in the Plane by Cantarella, Jason, Needham, Tom, Shonkwiler, Clayton, Stewart, Gavin

    Published in The American mathematical monthly (07-02-2019)
    “…In 1997, Jean-Claude Hausmann and Allen Knutson introduced a natural and beautiful correspondence between planar n-gons and the Grassmann manifold of 2-planes…”
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  13. 13

    Spherical geometry and the least symmetric triangle by Bowden, Laney, Haynes, Andrea, Shonkwiler, Clayton, Shukert, Aaron

    Published in Geometriae dedicata (02-02-2019)
    “…We study the problem of determining the least symmetric triangle, which arises both from pure geometry and from the study of molecular chirality in chemistry…”
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  14. 14

    New Superbridge Index Calculations from Non-Minimal Realizations by Shonkwiler, Clayton

    Published 14-06-2022
    “…Journal of Knot Theory and Its Ramifications 31 (2022), no. 10, 2250063 Previous work used polygonal realizations of knots to reduce the problem of computing…”
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  15. 15

    All Prime Knots Through 10 Crossings Have Superbridge Index $\leq 5 by Shonkwiler, Clayton

    Published 20-12-2021
    “…Journal of Knot Theory and Its Ramifications 31 (2022), no. 4, 2250023 This paper gives new upper bounds on the stick numbers of the knots $9_{18}$, $10_{18}$,…”
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  16. 16

    Geometric Approaches to Matrix Normalization and Graph Balancing by Needham, Tom, Shonkwiler, Clayton

    Published 09-05-2024
    “…Normal matrices, or matrices which commute with their adjoints, are of fundamental importance in pure and applied mathematics. In this paper, we study a…”
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  17. 17

    New Computations of the Superbridge Index by Shonkwiler, Clayton

    Published 28-09-2020
    “…Journal of Knot Theory and Its Ramifications 29 (2020), no. 14, 2050096 The knots $8_1$, $8_2$, $8_3$, $8_5$, $8_6$, $8_7$, $8_8$, $8_{10}$, $8_{11}$,…”
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  18. 18

    Fusion Frame Homotopy and Tightening Fusion Frames by Gradient Descent by Needham, Tom, Shonkwiler, Clayton

    Published 23-08-2022
    “…Journal of Fourier Analysis and Applications 29 (2023), no. 4, 51 Finite frames, or spanning sets for finite-dimensional Hilbert spaces, are a ubiquitous tool…”
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  19. 19

    THE EXPECTED TOTAL CURVATURE OF RANDOM POLYGONS by Cantarella, Jason, Grosberg, Alexander Y., Kusner, Robert, Shonkwiler, Clayton

    Published in American journal of mathematics (01-04-2015)
    “…We consider the expected value for the total curvature of a random closed polygon. Numerical experiments have suggested that as the number of edges becomes…”
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  20. 20

    Toric Symplectic Geometry and Full Spark Frames by Needham, Tom, Shonkwiler, Clayton

    Published 07-07-2022
    “…Applied and Computational Harmonic Analysis 61 (2022), 254-287 The collection of $d \times N$ complex matrices with prescribed column norms and prescribed…”
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