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  • Author(s):
    Paul Friesen, Ilana Rothkopf, Luis Schenoni , Maggie Shum, Romelia Solano
    Abstract:

    The 2020 election has the potential to be one of the most momentous in modern American history. Challenges to the integrity of the electoral process, threats of violence from extremist groups, and most alarmingly, President Donald Trump’s repeated refusal to guarantee a peaceful power transfer should he lose have created a climate of uncertainty about the election and its aftermath, with worrisome implications for the long-term health of American democracy.

    While these circumstances are unpr…

    Date Created:
    2020-10-08
    Record Visibility:
    Public
    Resource Type
    Report
  • Author(s):
    Gerard Powers, Ebrahim Moosa, R. Scott Appleby
    Abstract:

    The bipartisan Global Fragility Act of 2019 mandates strategic coordination across the federal government to strengthen the capacity of the United States to prevent violence and increase stability in areas of the world most vulnerable to conflict. Key agencies must jointly establish a comprehensive 10-year “Global Fragility Strategy” and select priority countries and regions in which to implement the strategy. Among its requirements, the strategy must identify approaches to engage “civil soci…

    Date Created:
    2020-09-21
    Record Visibility:
    Public
    Resource Type
    Report
  • Creator(s):
    Jan Teorell, John Gerring, Jeffrey Staton, Carl Henrik Knutsen, David Altman, Megan Reif, Staffan I. Lindberg, Kelly McMann, Svend-Erik Skaaning, Michael Bernhard, Michael Coppedge, Eitan Tzelgov, Allen Hicken, Matthew Kroenig, Daniel Pemstein, Adam Glynn, Yi-ting Wang, M. Steven Fish
    Description:

    Posterior data of Higher Level Indices for Varieties of Democracy v.7. The code book and description of the variables can be found in the main item for this collection.

    Date Created:
    2017-01-01
    Record Visibility:
    Public
  • Creator(s):
    Jan Teorell, John Gerring, Jeffrey Staton, Carl Henrik Knutsen, David Altman, Megan Reif, Staffan I. Lindberg, Kelly McMann, Svend-Erik Skaaning, Michael Bernhard, Michael Coppedge, Eitan Tzelgov, Allen Hicken, Matthew Kroenig, Daniel Pemstein, Adam Glynn, Yi-ting Wang, M. Steven Fish
    Description:

    Posterior data of Higher Level Indices for Varieties of Democracy v.7. The code book and description of the variables can be found in the main item for this collection.

    Date Created:
    2017-01-01
    Record Visibility:
    Public
  • Creator(s):
    Jan Teorell, John Gerring, Jeffrey Staton, Carl Henrik Knutsen, David Altman, Megan Reif, Staffan I. Lindberg, Kelly McMann, Svend-Erik Skaaning, Michael Bernhard, Michael Coppedge, Eitan Tzelgov, Allen Hicken, Matthew Kroenig, Daniel Pemstein, Adam Glynn, Yi-ting Wang, M. Steven Fish
    Description:

    Posterior data of Higher Level Indices for Varieties of Democracy v.7. The code book and description of the variables can be found in the main item for this collection.

    Date Created:
    2017-01-01
    Record Visibility:
    Public
  • Creator(s):
    Jan Teorell, John Gerring, Jeffrey Staton, Carl Henrik Knutsen, David Altman, Megan Reif, Staffan I. Lindberg, Kelly McMann, Svend-Erik Skaaning, Michael Bernhard, Michael Coppedge, Eitan Tzelgov, Allen Hicken, Matthew Kroenig, Daniel Pemstein, Adam Glynn, Yi-ting Wang, M. Steven Fish
    Description:

    Posterior data of Higher Level Indices for Varieties of Democracy v.7. The code book and description of the variables can be found in the main item for this collection.

    Date Created:
    2017-01-01
    Record Visibility:
    Public
  • Creator(s):
    Jan Teorell, John Gerring, Jeffrey Staton, Carl Henrik Knutsen, David Altman, Megan Reif, Staffan I. Lindberg, Kelly McMann, Svend-Erik Skaaning, Michael Bernhard, Michael Coppedge, Eitan Tzelgov, Allen Hicken, Matthew Kroenig, Daniel Pemstein, Adam Glynn, Yi-ting Wang, M. Steven Fish
    Description:

    Posterior data of Higher Level Indices for Varieties of Democracy v.7. The code book and description of the variables can be found in the main item for this collection.

    Date Created:
    2017-01-01
    Record Visibility:
    Public
  • Creator(s):
    Jan Teorell, John Gerring, Jeffrey Staton, Carl Henrik Knutsen, David Altman, Megan Reif, Staffan I. Lindberg, Kelly McMann, Svend-Erik Skaaning, Michael Bernhard, Michael Coppedge, Eitan Tzelgov, Allen Hicken, Matthew Kroenig, Daniel Pemstein, Adam Glynn, Yi-ting Wang, M. Steven Fish
    Description:

    Posterior data of Higher Level Indices for Varieties of Democracy v.7. The code book and description of the variables can be found in the main item for this collection.

    Date Created:
    2017-01-01
    Record Visibility:
    Public
  • 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
  • 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