Ing. Agr. Fermin Nakayama

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Kiyoshi Nakayama

My research interests primarily lie in the fields of networks and distributed systems and span the areas of smart grid management models, optimal flow controls, traffic engineering, load balancing, fault-tolerant systems, and circuit and systems. The goal of my research is to develop breakthrough technologies that radically improve the performance of those network systems by delving into each s...

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Skew quantum Murnaghan-Nakayama rule

In this extended abstract, we extend recent results of Assaf and McNamara, the skew Pieri rule and the skew Murnaghan-Nakayama rule, to a more general identity, which gives an elegant expansion of the product of a skew Schur function with a quantum power sum function in terms of skew Schur functions. We give two proofs, one completely bijective in the spirit of Assaf-McNamara’s original proof, ...

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Nakayama automorphisms of Frobenius algebras

We show that the Nakayama automorphism of a Frobenius algebra R over a field k is independent of the field (Theorem 4). Consequently, the k-dual functor on left R-modules and the bimodule isomorphism type of the k-dual of R, and hence the question of whether R is a symmetric k-algebra, are independent of k. We give a purely ring-theoretic condition that is necessary and sufficient for a finite-...

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Two Murnaghan-nakayama Rules in Schubert Calculus

The Murnaghan-Nakayama rule expresses the product of a Schur function with a Newton power sum in the basis of Schur functions. We establish a version of the Murnaghan-Nakayama rule for Schubert polynomials and a version for the quantum cohomology ring of the Grassmannian. These rules compute all intersections of Schubert cycles with tautological classes coming from the Chern character. Like the...

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Nakayama , Shimojo , and Ramachandran ' s 1990 paper

Surfaces revisited The target paper reviewed in this article was titled `̀ Transparency: relation to depth, subjective contours, luminance, and neon colour spreading'' coauthored by K Nakayama, S Shimojo, and V S Ramachandran, published in 1990. This paper, one of the first in a series on surface perception, examined how in untextured stereograms, local disparity and luminance contrast can drast...

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ژورنال

عنوان ژورنال: Natura Neotropicalis

سال: 2005

ISSN: 2362-5570,0329-2177

DOI: 10.14409/natura.v2i22.3619