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2017, ISBN 022642829X, xviii, 235 pages
We hear plenty about the widening income gap between the rich and the poor in America and about the expanding distance dividing the haves and the have-nots.... 
Medical policy | Health and race | Poverty | Health | Social medicine | Discrimination in medical care | Equality | Social aspects | Racism | Health aspects | Poverty - Health aspects - United States
Book
Journal of Combinatorial Theory, Series A, ISSN 0097-3165, 02/2017, Volume 146, pp. 169 - 183
The Ish arrangement was introduced by Armstrong to give a new interpretation of the q,t-Catalan numbers of Garsia and Haiman. Armstrong and Rhoades showed that... 
Ish arrangement | Shi arrangement | Supersolvable arrangement | Fiber-type arrangement | Hyperplane arrangement | Coxeter arrangement | Free arrangement | MATHEMATICS | HYPERPLANE ARRANGEMENTS | Mathematics - Combinatorics
Journal Article
Journal Article
2015, ISBN 9789058565044, 111 pages
The word Ikebana rings a bell for most, but not many people can define it or grasp its essence. Exploring Ikebana seeks to change this. This book is a... 
Flower arrangement, Japanese | Technique
Book
Discrete mathematics, ISSN 0012-365X, 2019, Volume 342, Issue 1, pp. 233 - 249
A Weyl arrangement is the hyperplane arrangement defined by a root system. Saito proved that every Weyl arrangement is free. The Weyl subarrangements of type... 
Signed graph | Supersolvable arrangement | Weyl arrangement | Chordal graph | Graphic arrangement | Hyperplane arrangement | Free arrangement
Journal Article
2016, ISBN 4784218394, xiv, 229, xv pages
Book
Journal of Algebra, ISSN 0021-8693, 08/2017, Volume 484, pp. 126 - 167
In 2006 Sommers and Tymoczko defined so called arrangements of ideal type AI stemming from ideals I in the set of positive roots of a reduced root system. They... 
Arrangement of ideal type | Weyl arrangement | Supersolvable arrangement | Root system | Inductively free arrangement | Inductively factored arrangement | Free arrangement | VARIETIES | AD-NILPOTENT IDEALS | HYPERPLANE ARRANGEMENTS | MATHEMATICS | B-STABLE IDEALS | REGIONS | BOREL SUBALGEBRA
Journal Article
2017, Shohan., ISBN 9784473041760, 303 pages
Book
2014, ISBN 9789058564801, 207 pages
"Showcases ikebana arrangements inspired by the beauty of a single kind of flower. Typical colours, quintessential lines and inherent symbolism dictate the... 
Flower arrangement, Japanese
Book
Discrete & computational geometry, ISSN 1432-0444, 2018, Volume 61, Issue 1, pp. 185 - 197
Let G be a simple graph on $$ \ell $$ ℓ vertices $$ \{1, \dots , \ell \} $$ { 1 , ⋯ , ℓ } with edge set $$ E_{G} $$ E G . The graphical arrangement $$ \mathcal... 
Computational Mathematics and Numerical Analysis | 05C22 | Chordal graph | Mathematics | Hyperplane arrangement | 52C35 | Coxeter arrangement | Free arrangement | Graphical arrangement | 32S22 | Ish arrangement | Supersolvable arrangement | 13N15 | Combinatorics | Vertex-weighted graph | Multiarrangement | 05C15 | 20F55
Journal Article
Book
2008, First edition., ISBN 4805312661, 208 pages
Presents an overview of the history of Ikebana and provides simple and detailed instructions that guide enthusiasts through the process of making arrangements. 
Flower arrangement, Japanese
Book
2014, ISBN 9780847842469, 205
Master event planner Preston Bailey outlines his inspiration and process for designing nine recent weddings. Complete with detailed, full-page images in rich... 
Interior decoration | Flower arrangement | Floral decorations | Planning | Wedding decorations | Table setting and decoration | Entertaining
Book
Journal of Algebra, ISSN 0021-8693, 01/2018, Volume 493, pp. 20 - 35
In [10], Terao proved the freeness of multi-Coxeter arrangements with constant multiplicities by giving an explicit construction of bases. Combining it with... 
Weyl group | Shi arrangement | Hyperplane arrangement | Catalan arrangement | Logarithmic derivation | Affine Weyl group | Free arrangement
Journal Article
Discrete mathematics, ISSN 0012-365X, 2019, Volume 342, Issue 2, pp. 562 - 571
We characterise the Pak–Stanley labels of the regions of a family of hyperplane arrangements that interpolate between the Shi arrangement and the Ish... 
Shi arrangement | Ish arrangement | Arrangements of hyperplanes | MATHEMATICS | HYPERPLANE ARRANGEMENTS | SHI | Mathematics - Combinatorics
Journal Article
International Journal of Algebra and Computation, ISSN 0218-1967, 08/2019, Volume 29, Issue 5, pp. 761 - 773
Extending earlier work by Sommers and Tymoczko, in 2016, Abe, Barakat, Cuntz, Hoge, and Terao established that each arrangement of ideal type ℐ stemming from... 
free arrangement | Weyl groupoid | Root system | arrangement of ideal type | Weyl arrangement | inductively free arrangement | MATHEMATICS | WEYL GROUPOIDS
Journal Article
Topology and its applications, ISSN 0166-8641, 2018, Volume 249, pp. 67 - 72
In this note we present examples of K(π,1)-arrangements which admit a restriction which fails to be K(π,1). This shows that asphericity is not hereditary among... 
[formula omitted] arrangement | Restriction of an arrangement | K(π,1) arrangement | MATHEMATICS | MATHEMATICS, APPLIED | COMPLEX | K(pi, 1) arrangement
Journal Article
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