Relevant bibliographies by topics / Discriminant locus

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Academic literature on the topic 'Discriminant locus'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Discriminant locus"

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TRÁNG, LÊ DŨNG, HÉLÈNE MAUGENDRE, and CLAUDE WEBER. "GEOMETRY OF CRITICAL LOCI." Journal of the London Mathematical Society 63, no. 3 (2001): 533–52. http://dx.doi.org/10.1017/s0024610701001995.

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Let(formula here)be the germ of a finite (that is, proper with finite fibres) complex analytic morphism from a complex analytic normal surface onto an open neighbourhood U of the origin 0 in the complex plane C2. Let u and v be coordinates of C2 defined on U. We shall call the triple (π, u, v) the initial data.Let Δ stand for the discriminant locus of the germ π, that is, the image by π of the critical locus Γ of π.Let (Δα)α∈A be the branches of the discriminant locus Δ at O which are not the coordinate axes.For each α ∈ A, we define a rational number dα by(formula here)where I(–, –) denotes t
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Sawon, Justin. "On the discriminant locus of a Lagrangian fibration." Mathematische Annalen 341, no. 1 (2007): 201–21. http://dx.doi.org/10.1007/s00208-007-0189-9.

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Nearey, Terrance M. "Locus equations and pattern recognition." Behavioral and Brain Sciences 21, no. 2 (1998): 277. http://dx.doi.org/10.1017/s0140525x98421174.

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Although the relations between second formant (F2) onset and F2 vowel are extremely regular and contain important information about place of articulation of the voiced stops, they are not sufficient for its identification. Using quadratic discriminant analysis of a new data set, it is shown that F3 onset and F3 vowel can also contribute substantial additional information to help identify the consonants.
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Antipova, I. A., and S. Yu Chuvashov. "Singularities of Discriminant Loci of Laurent Polynomial Systems." Bulletin of Irkutsk State University. Series Mathematics 52 (2025): 44–57. https://doi.org/10.26516/1997-7670.2025.52.44.

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We consider a system of n Laurent polynomials in n unknowns with variable complex coefficients. For the reduced discriminant locus of such a system, we study the set of critical points of the Horn–Kapranov parametrization. In a special instance (n = 3), the set of critical values of the parametrization is investigated. It is proved that the multiple root of the corresponding system is degenerate
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Kite, Alex, and Ed Segal. "Discriminants and Semi-orthogonal Decompositions." Communications in Mathematical Physics 390, no. 2 (2022): 907–31. http://dx.doi.org/10.1007/s00220-021-04298-2.

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AbstractThe derived categories of toric varieties admit semi-orthogonal decompositions coming from wall-crossing in GIT. We prove that these decompositions satisfy a Jordan–Hölder property: the subcategories that appear, and their multiplicities, are independent of the choices made. For Calabi–Yau toric varieties wall-crossing instead gives derived equivalences and autoequivalences, and mirror symmetry relates these to monodromy around the GKZ discriminant locus. We formulate a conjecture equating intersection multiplicities in the discriminant with the multiplicities appearing in certain semi
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Hendryadi, Hendryadi. "PENGEMBANGAN SKALA LOCUS OF CONTROL." Jurnal Riset Manajemen dan Bisnis (JRMB) Fakultas Ekonomi UNIAT 2, no. 3 (2017): 417–24. http://dx.doi.org/10.36226/jrmb.v2i3.76.

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This article aims to develop a short form of the locus of control scale. The study was conducted in two stages: a study of 66 respondents as pilot testing which aims to test content validity, structure validity, and internal consistency. Study 2 was conducted on 328 respondents used to test the validity and reliability of the scale evaluated by the PLS-SEM method (such as internal consistency, convergent validity, and discriminant validity). The analysis concludes that the 8-item locus of control scales tested have adequate validity and reliability. A short form locus of control scale was deve
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Whitman, Laurie, Sharon M. Desmond, and James H. Price. "Development of a Depression Locus of Control Scale." Psychological Reports 60, no. 2 (1987): 583–89. http://dx.doi.org/10.2466/pr0.1987.60.2.583.

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A 12-item Depression Locus of Control Scale was given to 117 white high school students. The scale has three subscales, internal (4 items), chance (4 items), and powerful others (4 items). Reliability assessed by test-retest was .55 and Cronbach alphas were for the subscales listed above .63, .73, and .66, respectively. Content validity, criterion-related validity, construct validity, and discriminant validity were examined. Reading level was at the eighth grade. It is recommended that the more specific Depression Locus of Control Scale be used in studies of depression.
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Altavilla, Amedeo, and Edoardo Ballico. "Three Topological Results on the Twistor Discriminant Locus in the 4-Sphere." Milan Journal of Mathematics 87, no. 1 (2019): 57–72. http://dx.doi.org/10.1007/s00032-019-00292-5.

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O'Connell, Janelle K., and James H. Price. "Development of a Heart Disease Locus of Control Scale." Psychological Reports 56, no. 1 (1985): 159–64. http://dx.doi.org/10.2466/pr0.1985.56.1.159.

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A 20-item Heart Disease Locus of Control Scale was given to 50 health fair attenders and 51 nonattenders. The scale has three subscales: internal (7 items), chance (8 items), and powerful others (5 items). Reliability assessed by test-retest was .83 and Cronbach alphas for the subscales were internal .83, chance .86, and powerful others .76. Validity was examined through content validity, criterion-related validity, construct validity, and discriminant validity. Reading was at the ninth grade. It is recommended that the more specific Heart Disease Scale be utilized when conducting studies of h
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Esqueda H., Sofia, Eugenia Csoban, and Jose Felipe Prat. "A profile of the popular entrepreneur: a value-based approach." Academia Revista Latinoamericana de Administración 32, no. 2 (2019): 267–81. http://dx.doi.org/10.1108/arla-03-2018-0055.

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Purpose The purpose of this paper is to identify the personal characteristics and individual values of Venezuelan low-income entrepreneurs, according to the theoretical framework of the Schwartz model. Design/methodology/approach A stratified probabilistic sample of 416 individuals was selected from a database of Bangente’s clients, who received microcredits between 1999 and 2016, in the Capital District of Venezuela. The Portrait Value Questionnaire (Schwartz, 2003; Peiró and Palencia, 2009) was applied to measure the values of power, self-direction, stimulation and achievement. The locus of
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Book chapters on the topic "Discriminant locus"

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Almeida, Aline Carvalho Araújo, Karinne Francisca Cardoso Watanabe, João Arthur de Araújo Costa, et al. "QUALIDADE EXTRÍNSECA DE PELES DE CAPRINOS E OVINOS ABATIDOS EM SÃO LUÍS, ESTADO DO MARANHÃO." In Avanços em Medicina Veterinária: Análises de Casos e Pesquisas Atuais. Editora Científica Digital, 2024. http://dx.doi.org/10.37885/240817540.

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A baixa qualidade extrínseca de peles caprinas e ovinas disponível no Brasil tem limitado desempenhos mais expressivos do setor coureiro, prejudicando a capacidade do País de agregar valor ao produto. Logo, a qualidade deve ser tratada de forma ampla, com procedimentos que garantam ganhos progressivos na cadeia produtiva, do produtor rural ao empresário industrial. Objetivo: Nesse contexto, objetivou-se com o estudo avaliar a qualidade extrínseca de peles de caprinos e ovinos abatidos no município de São Luís, estado do Maranhão. Método: O estudo foi realizado no município de São Luís, estado
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Conference papers on the topic "Discriminant locus"

1

Mollon, J. D. "There is more than one way of making you tritanopia." In OSA Annual Meeting. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.mh1.

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Over a large range of stimulus conditions we can rely on the signals of our long- and middle-wave cones to sustain our visual discriminations. By comparison, there is a much more constrained range of conditions over which we obtain discriminable signals from the short-wave cones; and several stimulus parameters (e.g., luminance, duration, size, retinal locus) can be manipulated to make the normal observer behave like a tritanope. Some (following Farnsworth) have sought a single factor to account for these functional tritanopias, and indeed a factor underlying several of them may be the sparsen
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