1,877,986 research outputs found

    Support for the Validity of the Graduate Record Examination

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    Comments on the article by R. J. Sternberg and W. M. Williams (see record 1997-04591-002) regarding the empirical validity of the Graduate Record Examination (GRE) in predicting graduate student performance in psychology. It is argued that Sternberg and Williams used a misleading approach for analyzing their data. Predicting precise levels of achievement in graduate school from GRE scores alone when all admitted students are judged to be highly capable will necessarily result in low correlations. High achievement in any profession is dependent on a confluence of factors, and any single factor will necessarily be a relatively weak predictor of level of success. It is only by combining data regarding such factors that this type of prediction is strengthened. Given that Sternberg and Williams\u27s study focused on the use of GRE scores in making graduate admissions decisions, a more appropriate methodology for examining their data involves decision theory and selection accuracy

    Combinatorial, piecewise-linear, and birational homomesy for products of two chains

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    This article illustrates the dynamical concept of homomesyhomomesy in three kinds of dynamical systems -- combinatorial, piecewise-linear, and birational -- and shows the relationship between these three settings. In particular, we show how the rowmotion and promotion operations of Striker and Williams can be lifted to (continuous) piecewise-linear operations on the order polytope of Stanley, and then lifted to birational operations on the positive orthant in RP\mathbb{R}^{|P|} and indeed to a dense subset of CP\mathbb{C}^{|P|}. When the poset PP is a product of a chain of length aa and a chain of length bb, these lifted operations have order a+ba+b, and exhibit the homomesy phenomenon: the time-averages of various quantities are the same in all orbits. One important tool is a concrete realization of the conjugacy between rowmotion and promotion found by Striker and Williams; this recombinationrecombination mapmap allows us to use homomesy for promotion to deduce homomesy for rowmotion. NOTE: An earlier draft showed that Stanley's transfer map between the order polytope and the chain polytope arises as the tropicalization of an analogous map in the bilinear realm; in 2020 we removed this material for the sake of brevity, especially after Joseph and Roby generalized our proof to the noncommutative realm (see arXiv:1909.09658v3). Readers who nonetheless wish to see our proof can find the September 2018 draft of this preprint through the arXiv

    Stabilization of the Witt group

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    Using an idea due to R.Thomason, we define a "homology theory" on the category of rings which satisfies excision, exactness, homotopy (in the algebraic sense) and periodicity of order 4. For regular noetherian rings, we find P. Balmer's higher Witt groups. For more general rings, this homology isomorphic to the KT-theory of J. Hornbostel, inspired by the work of B. Williams. For real or complex C*-algebras, we recover - up to 2 torsion - topological K-theory.Comment: 6 pages ; see also http://www.math.jussieu.fr/~karoubi

    Hiding Behind the Closet Door: Representations of the Homosexual Experience in A Streetcar Named Desire

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    Themes related to homosexuality and the homosexual experience are interwoven in many layers throughout Tennessee Williams’ A Streetcar Named Desire. This research paper analyzes contemporary commentary on homosexuality from the 1940s and ‘50s, Blanche’s experiences with light and perception, and moments of homosociality between the male poker players, to interpret how the homosexual experience is represented and exposed on stage through the two main characters in the play, Blanche and Stanley. Williams uses a heteronormative context to portray the homosexual experience, thus mirroring the way gay men had to navigate life in the closet while presenting to the public a façade that mimicked that of the hetero-norm. Ultimately, Williams uses illusions to make a comment on the greater society’s attitudes towards homosexuals. Homosexuals were forced to present themselves in illusory manners to be accepted within society; they had to navigate the world inside and outside “the closet”. Thus, Williams uses this theme of illusion and perception in various instances in the play to showcase this type of mentality. Also explored is the concept of the homosexual v. homosocial. The Poker Night scene exemplifies the concept of the homosocial and serves as another avenue through which the homosexual experience is evoked. We see, through Blanche and Stanley, the way homosexual themes were incorporated from small lighting details to a larger scope present within male relationships in the play. Undoubtedly, there is so much more to do with homosexuality in Streetcar than readers may originally realize, and this paper only dips our toes into a newer lens through which Streetcar can be viewed and analyzed

    Standing Under Section 14(e) Of The Securities Exchange Act of 1934: May A Tender Offeror Sue For Injunctive Relief?

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    This Note examines certain legal issues arising out of the increasing popularity of cash tender offers as a means for gaining control of public companies. Specifically, this Note will examine The Williams Act and its protection against possible fraud committed by parties attempting to use cash tender offers to take control of a company. Next, the Note will review the U.S. Supreme Court decision Piper Aircraft, Inc. v. Chris-Craft Industries, Inc. to see if a tender offeror can sue for damages under section 14(e) of Securities Exchange Act of 1934 if it is defrauded by another tender offeror

    Standing Under Section 14(e) Of The Securities Exchange Act of 1934: May A Tender Offeror Sue For Injunctive Relief?

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    This Note examines certain legal issues arising out of the increasing popularity of cash tender offers as a means for gaining control of public companies. Specifically, this Note will examine The Williams Act and its protection against possible fraud committed by parties attempting to use cash tender offers to take control of a company. Next, the Note will review the U.S. Supreme Court decision Piper Aircraft, Inc. v. Chris-Craft Industries, Inc. to see if a tender offeror can sue for damages under section 14(e) of Securities Exchange Act of 1934 if it is defrauded by another tender offeror

    Veiling with Abjection: Carson McCullers\u27 Reflections in a Golden Eye

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    I will argue that in Reflections of a Golden Eye, Private Williams is a projection of McCullers, due to his being a representation of the abject desire that McCullers experienced for women, and that the abjection is the very reason why his character comes off as strange, impersonal, and uncanny. Opposing critics would say that Williams’ impersonal nature disqualifies him from being McCullers’ representation; however, while McCullers purposefully uses the uncanny feelings she creates around Williams to distance herself from him, we should see through this

    Play that Barber Shop Chord / music by Lewis F. Muir; words by Wm. Tracey

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    Cover: photo of singer Bert Williams in blackface (see 479); Publisher: J. Fred Helf Company (New York)https://egrove.olemiss.edu/sharris_c/1003/thumbnail.jp
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