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Showing 1 to 20 of 1993 for “"arrangements"”.
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Species and Hyperplane Arrangements
… theory of the Tits algebra of arbitrary affine arrangements to extend what is known in the case of linear arrangements and to give an insight into some unanswered questions in the field of Hopf monoids. In the first part, we extend the study of characteristic elements of a hyperplane arrangement …
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Reflection arrangements and ribbon representations
Ehrenborg and Jung recently related the order complex for the lattice of d-divisible partitions with the simplicial complex of pointed ordered set partitions via a homotopy equivalence. The latter has top homology naturally identified as a Specht module. Their work unifies that of Calderbank, …
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Homological properties of determinantal arrangements
<p>We study a certain family of hypersurface arrangements known as determinantal arrangements. Determinantal arrangements are a union of varieties defined by minors of a matrix of indeterminates. In particular, we investigate determinantal arrangements using the 2-minors of a 2 × <em>n</em> generic …
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Algebraic combinatorics of hyperplane arrangements
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1987.
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Optimum gate arrangements for MOS standardized layouts
Optimization of size is an important topic of research in the engineering of digital circuits. The field effect transistor (FET) is making an important contribution in this area. In this paper, the basic properties of the FET which pertain to digital circuits will be examined. The problems …
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Child care arrangements and mothers' employment choices
This study assesses the relative effects of economic, demographic and attitudinal factors on mothers' joint choices of level of employment and type of child care using a sample of mothers of preschool children from the 1987 National Survey of Families and Households. In the first analysis, choices …
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Optimal single and multiple source purchasing arrangements
… for multiple and single source purchasing arrangements.
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Tax-advantageous financing arrangements of group companies
Real rates of income tax in South Africa are extremely high, to such an extent that taxpayers are continuously spending a lot of effort, time and money on taxplanning in an attempt to minimise their tax liabilities.
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Part-song arrangements for junior high school voices
The scarcity of song material suited to the ranges and abilities of junior high school students is a very real handicap to successful teaching. The changing voice of the boy sets definite limitations on range, and the uncertainty of pitch in that voice restricts the difficulty of the arrangement. …
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Estimation of Subspace Arrangements: Its Algebra and Statistics
Algebraically, we study the properties of polynomials vanishing on a union of subspaces; and statistically, we study how to estimate these polynomials robustly from real sample sets with noise and outliers. These new methods in many ways improve and generalize extant methods for modeling or …
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Innovative Transverse Jet Interaction Arrangements in Supersonic Crossflow
The experiments on this project proceeded on the premise that adding an array of auxiliary jets behind a main jet injector would alleviate the large region of low pressure typically found downstream of a normal, sonic injector in supersonic flow and also possibly increase in intensity of the …
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Anlagestrategien für Pensionsvermögen im Rahmen von Contractual Trust Arrangements
… Pensionsvermögen im Rahmen von Contractual Trust Arrangements. Es wird untersucht, welche Anlagestrategien sich unter Berücksichtigung bilanzieller, verpflichtungs- und vermögensseitiger Rahmenbedingungen zur Anlage von Pensionsvermögen eignen. Anhand eines geeigneten Anlagemodells für …
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Anlagestrategien für Pensionsvermögen im Rahmen von Contractual Trust Arrangements
… Pensionsvermögen im Rahmen von Contractual Trust Arrangements. Es wird untersucht, welche Anlagestrategien sich unter Berücksichtigung bilanzieller, verpflichtungs- und vermögensseitiger Rahmenbedingungen zur Anlage von Pensionsvermögen eignen. Anhand eines geeigneten Anlagemodells für …
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Tax-Based Collateral Limitations, Borrowing Arrangements and Firm Value
… collateral limitations constrain borrowing arrangements and thereby reduce firm value. The costs associated with these collateral limitations offer one explanation for the under-sheltering puzzle, which suggests firms fail to take advantage of the supposed benefits of tax avoidance …
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Extended living arrangements in Chile: An analysis of subfamilies
… births. Recent studies on extended living arrangements in the region have mainly understood household extension as a strategy to face economic deprivation, giving little attention to other factors affecting it, such as gender inequalities and changing needs for support over the life course. …
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Enumerative and algebraic aspects of matroids and hyperplane arrangements
… algebraic properties of matroids and hyperplane arrangements. In particular, a central object of study is the Tutte polynomial, which stores much of the enumerative information of these objects. The first project is the study of the Tutte polynomial of an arrangement and, more generally, of a …
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