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Institution

University of Wisconsin–Milwaukee

EducationMilwaukee, Wisconsin, United States
About: University of Wisconsin–Milwaukee is a education organization based out in Milwaukee, Wisconsin, United States. It is known for research contribution in the topics: Population & Gravitational wave. The organization has 11839 authors who have published 28034 publications receiving 936438 citations. The organization is also known as: UWM & University of Wisconsin-Milwaukee.


Papers
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Journal ArticleDOI
TL;DR: In this paper, an analysis of high-precision pulsar timing data taken as part of the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) project is presented.
Abstract: We present an analysis of high-precision pulsar timing data taken as part of the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) project. We have observed 17 pulsars for a span of roughly five years using the Green Bank and Arecibo radio telescopes. We analyze these data using standard pulsar timing models, with the addition of time-variable dispersion measure and frequency-variable pulse shape terms. Sub-microsecond timing residuals are obtained in nearly all cases, and the best rms timing residuals in this set are ~30-50 ns. We present methods for analyzing post-fit timing residuals for the presence of a gravitational wave signal with a specified spectral shape. These optimally take into account the timing fluctuation power removed by the model fit, and can be applied to either data from a single pulsar, or to a set of pulsars to detect a correlated signal. We apply these methods to our data set to set an upper limit on the strength of the nHz-frequency stochastic supermassive black hole gravitational wave background of h_c (1 yr^(–1)) < 7 × 10^(–15) (95%). This result is dominated by the timing of the two best pulsars in the set, PSRs J1713+0747 and J1909–3744.

355 citations

Proceedings ArticleDOI
23 May 1994
TL;DR: The primitive of function sharing is defined, a functional analog of secret sharing, and employed to construct novel cryptosystems with improved integrity, availability and security properties and should be contrasted with the model of secure function evaluation protocols.
Abstract: We define the primitive of function sharing, a functional analog of secret sharing, and employ it to construct novel cryptosystems. The basic idea of function sharing is to split a hard to compute (trapdoor) function into shadow functions (or share-functions). The intractable function becomes easy to compute at a given point value when given any threshold (at least t out of i) of shadow functions evaluations at that point. Otherwise, the function remains hard. Furthermore, the function must remain intractable even after exposing up to t— 1 shadow functions and exposing values of all shadow functions at polynomially many inputs. The primitive enables the distribution of the power to perform cryptography (signature, decryption, etc.) to agents. This enables the design of various novel cryptosystems with improved integrity, availability and security properties. Our model should be contrasted with the model of secure function evaluation protocols. We require no channeIs between agents holding the shadow functions, as the agents act non-interactively on a publicly available input. Our security solely relies on secure memories (and results) as in regular cr yptosyst ems. In secure function evaluation, on the other hand, it is necessary to have private/ secured bilateral channels, interactive protocol, and security of all inputs – in addition to secure memories. *Dip. di Informatica ed Applicazioni Universit& di Salerno, Baronissi (SA), Italy. t Dept. of EE&CS, Univ. of Wisconsin Milwaukee, WI. Partially supported by NSF Grant NCR-9106327. $GTE Laboratories Incorporated, Waltham, MA. $IBM T. J. Watson Research Center, Yorktown Heights, NY. Permission to co y without fee all or part of this material is x granted provide that the copies are not made or distributed for direct commercial advantage, the ACM copyright notice and the title of the publication and its date appear, and notice is given that copying is by permission of the Association of Computing Machinery. To copy otherwise, or to republish, requires a fee and/or specific permission. STOC 945/94 Montreal, Quebec, Canada . @ 1994 ACM 0-89791 -663-8194/0005...$3.50

353 citations

Journal ArticleDOI
TL;DR: This paper is a conceptual study and therefore extends theory and the current understanding of how culture is examined by not only explicitly recognizing that behaviors are simultaneously influenced by multiple levels of culture but by also specifying conditions under which certain levels ofculture dominate.
Abstract: In an organizational setting, national culture is not the only type of culture that influences managerial and work behavior. Rather, behavior is influenced by different levels of culture ranging from the supranational (regional, ethnic, religious, linguistic) level through the national, professional, and organizational levels to the group level. The objective of this study is to integrate these different levels of culture by explicitly recognizing that individuals’ workplace behavior is a function of all different cultures simultaneously. It is theorized that the relative influence of the different levels of culture on individual behavior varies depending on the nature of the behavior under investigation. Thus, for behaviors that include a strong social component or include terminal and moral values, supranational and national cultures might have a predominant effect. For behaviors with a strong task component or for those involving competence values or practices, organizational and professional cultures may dominate. These propositions are illustrated with examples from the IS field. This paper is a conceptual study and therefore extends theory and the current understanding of how culture is examined by not only explicitly recognizing that behaviors are simultaneously influenced by multiple levels of culture but by also specifying conditions under which certain levels of culture dominate. Such an approach has the potential to inform researchers and practitioners about the generalizability or universality of theories and techniques across national, organizational, and professional borders.

352 citations

Journal ArticleDOI
TL;DR: Results suggest that H40-P(LA-DOX)-b-PEG-OH/FA micelles could be a promising nanocarrier with excellent in vivo stability for targeting the drugs to cancer cells and releasing the drug molecules inside the cells by sensing the acidic environment of the endosomal compartments.

352 citations

Journal ArticleDOI
TL;DR: This paper showed that trader-quoted data from a major investment bank offers conclusions about the effects of leveraged buyouts on debt holders different from those drawn from commonly used matrix and exchange-based data (such as Standard & Poor's Bond Guide data).
Abstract: Announcements of successful leveraged buyouts (LBOs) during January 1985 to April 1989 caused a significantly negative return on outstanding publicly traded nonconvertible bonds. Yet the average risk-adjusted debt holder losses are less than 7 percent of the average risk-adjusted equity holder gains. Bond losses are related to the pre-LBO rating, but only weakly to equity holder gains. We demonstrate that trader-quoted data from a major investment bank offers conclusions about the effects of LBOs on debt holders different from those drawn from commonly used matrix and exchange-based data (such as Standard & Poor's Bond Guide data). This has important implications for event studies involving debt instruments. Article published by Oxford University Press on behalf of the Society for Financial Studies in its journal, The Review of Financial Studies.

351 citations


Authors

Showing all 11948 results

NameH-indexPapersCitations
Caroline S. Fox155599138951
Mark D. Griffiths124123861335
Benjamin William Allen12480787750
James A. Dumesic11861558935
Richard O'Shaughnessy11446277439
Patrick Brady11044273418
Laura Cadonati10945073356
Stephen Fairhurst10942671657
Benno Willke10950874673
Benjamin J. Owen10835170678
Kenneth H. Nealson10848351100
P. Ajith10737270245
Duncan A. Brown10756768823
I. A. Bilenko10539368801
F. Fidecaro10556974781
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202330
2022194
20211,150
20201,189
20191,085
20181,141