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  • Creator(s):
    Svend-Erik Skaaning, Kyle L. Marquardt, Johannes von Römer, Eitan Tzelgov, Brigitte Seim, Allen Hicken, David Altman, Michael Bernhard, M. Steven Fish, Yi-ting Wang, John Gerring, Jan Teorell, Michael Coppedge, Lisa Gastaldi, Pamela Paxton, Rachel Sigman, Staffan I. Lindberg, Carl Henrik Knutsen, Kelly McMann, Aksel Sundtröm, Agnes Cornell, Daniel Ziblatt, Anna Lührmann, Adam Glynn, Jeffrey Staton, Daniel Pemstein, Luca Uberti, Haakon Gjerløw, Valeriya Mechkova, Tore Wig
    Description:

    Data for Varieties of Democracy Project. Version 10 of these files.

    Date Created:
    2020-01-01
    Record Visibility:
    Public
  • Creator(s):
    Jonathan Hauenstein, Samantha Sherman
    Description:

    Synthesis problems for linkages in kinematics often yield large structured parameterized polynomial systems which generically have far fewer solutions than traditional upper bounds would suggest. This paper describes statistical models for estimating the generic number of solutions of such parameterized polynomial systems. The new approach extends previous work on success ratios of parameter homotopies to using monodromy loops as well as the addition of a trace test that provides a stopping…

    Date Created:
    2020-04-21
    Record Visibility:
    Public
  • Abstract:

    Understanding the growth dynamics of the microbubbles produced by plasmonic heating can benefit a wide range of applications like microfluidics, catalysis, micro-patterning and photo-thermal energy conversion. Usually, surface plasmonic bubbles are generated on plasmonic structures pre-deposited on the surface subject to laser heating. In this work, we investigate the growth dynamics of surface microbubbles generated in plasmonic nanoparticle (NP) suspension. We observe much faster bubble gro…

    Date Created:
    2020-04-08
    Record Visibility:
    Public
    Resource Type
    Document
  • Author(s):
    Melissa Grupen-Shemansky
    Abstract:

    This report was developed under a DARPA contract for topic Atoms to products. Two primary goals were addressed in this project. In Focus Area 1 (Assembly Development) the goal was to assemble a 10 μm microelement consisting of an anisotropic lattice of ~5000 (~100 nm) dielectric nanoparticles (NPs) embedded in a polymer electrolyte. Successful completion of the objectives of this goal required that NPs be spatially located with nm-scale precision in a polymer matrix at scales up to ~10 μm (to…

    Date Created:
    2020-04-03
    Record Visibility:
    Public
    Resource Type
    Report
  • Creator(s):
    Jonathan Hauenstein, Margaret Regan
    Description:

    Polynomials which arise via elimination can be difficult to compute explicitly. By using a pseudo-witness set, we develop an algorithm to explicitly compute the restriction of a polynomial to a given line. The resulting polynomial can then be used to evaluate the original polynomial and directional derivatives along the line at any point on the given line. Several examples are used to demonstrate this new algorithm including examples of computing the critical points of the discriminant locu…

    Date Created:
    2020-03-27
    Record Visibility:
    Public
  • Author(s):
    Laura Fuderer
    Abstract:

    This is a PDF of the website “Inter Folia Fructus: Recent Acquisition in Medieval British Studies.” Originally created as a counterpart to a physical exhibit in the Rare Books and Special Collection Exhibit Room in 1999, this website provides digital access to the bibliographic information and some digital images.

    Date Created:
    2020-03-13
    Record Visibility:
    Public
    Resource Type
    Document
  • Creator(s):
    Jonathan Hauenstein, Martin Helmer
    Description:

    Alt’s problem, formulated in 1923, is to count the number of four-bar linkages whose coupler curve interpolates nine general points in the plane. This problem can be phrased as counting the number of solutions to a system of polynomial equations which was first solved numerically using homotopy continuation by Wampler, Morgan, and Sommese in 1992. Since there is still not a proof that all solutions were obtained, we consider upper bounds for Alt’s problem by counting the number of sol…

    Date Created:
    2020-03-03
    Record Visibility:
    Public
  • Creator(s):
    Matthew Sisk
    Description:

    This is the data table from Appendix A of Sisk, ML (2011) “Settlement and Site Location in the Middle and Upper Paleolithic of the Vézère Valley, France” Ph.D. Dissertation, Stony Brook University, Department of Anthropology. It corrects errors present in the original publication

    Date Created:
    2020-02-12
    Record Visibility:
    Public
  • Author(s):
    Gregory timp, Eamonn Kennedy, Zhuxin Dong, Clare Tennant
    Abstract:

    Disclosed are then inorganic membranes having a defined topography that includes pores having a defined diameter of nanometer and sub-nanometer diameter. The thin membranes are resistant to protein denaturing agents, and may be employed in analytical and clinical methods for identifying single amino acid residues within the sequence of a protein and the pores are other than NspA pores. Methods for making a thin inorganic membrane with nanopore and sub-nanopore topography and conical cone stru…

    Date Created:
    2019-02-28
    Record Visibility:
    Public
    Resource Type
    Document
  • Creator(s):
    sgesing
    Description:

    In the Summer/Fall of 2017, participants were invited to contribute answers for the PresQT research study, entitled “Data and Software Preservation Quality Tool Needs Assessment” related to the PresQT Project, University of Notre Dame Study # 17-04-3850 DOI 10.17605/OSF.IO/D3JX7. Data Collection closed Sept 1, 2017 at 5 PM EDT.

    Participants’ answers to a series of questions related to their past practice, and anticipated future needs as researchers and/or software developers …

    Date Created:
    2020-01-27
    Record Visibility:
    Public
  • Creator(s):
    Jonathan Hauenstein
    Description:

    Many algorithms for determining properties of real algebraic or semi-algebraic sets rely upon the ability to compute smooth points. Existing methods to compute smooth points on semi-algebraic sets use symbolic quantifier elimination tools. In this paper, we present a simple algorithm based on computing the critical points of some well-chosen function that guarantees the computation of smooth points in each connected compact component of a real (semi)-algebraic set. Our technique is intuitive …

    Date Created:
    2020-01-18
    Record Visibility:
    Public
  • Author(s):
    N. Juan P. Hinestroza, Masaru Kuno, Maksym Zhukovskyi
    Abstract:

    Provided are nanowire-coated fibers and compositions comprising one or more nanowire-coated fibers and methods of making the fibers and compositions. The fibers can be organic or inorganic fibers. The nanowires can be metallic or semiconducting nanowires. The nanowires are disposed on at least a portion of a surface of a fiber or fibers. The fibers and compositions can be used as barcodes (e.g., for anti-counterfeiting methods). The fibers and compositions also can be used as photodetectors (…

    Date Created:
    2020-01-08
    Record Visibility:
    Public
    Resource Type
    Document