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7.931  Articles
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Key polynomials are characters of Demazure modules for the general linear group that generalize the Schur polynomials. We prove a nonsymmetric generalization of Monk's rule by giving a cancellation-free, multiplicity-free formula for the key polynomial ex... see more

We show that several families of polynomials defined via fillings of diagrams satisfy linear recurrences under a natural operation on the shape of the diagram. We focus on key polynomials, (also known as Demazure characters), and Demazure a... see more

We compute, mimicking the Lascoux-Schützenberger type A combinatorial procedure, left and right keys for a Kashiwara-Nakashima tableau in type C. These symplectic keys have a similar role as the keys for semistandard Young tableaux. More precisely, our sy... see more

We compute, mimicking the Lascoux-Schützenberger type A combinatorial procedure, left and right keys for a Kashiwara-Nakashima tableau in type C. These symplectic keys have a similar role as the keys for semistandard Young tableaux. More precisely, our sy... see more

We generalize a map by S. Mason regarding two combinatorial models for key polynomials, in a way that accounts for the major index. Furthermore we define a similar variant of this map, that regards alternative models for the modified Macdonald polynomials... see more

This study examined the representation of the educational values in Clouds as presented by the four main characters, which are Zach, Amy, Sammy, and Zach's mother by utilizing the three metafunctions concepts by Kress and Leeuwen (2006) and the theory of ... see more

The development of religious characters and local wisdom in an English textbook is an effort to develop students’ English competence without ignoring their religious values and culture in English communication. The purpose of this current study is to desi... see more

1 of 794 pages  |  10  records  |  more records»