Results 81 to 90 of about 2,863 (255)

Inequalities concerning the rate of growth of polynomials involving the polar derivative

open access: yes, 2020
This paper contains some results for algebraic polynomials in the complex plane involving the polar derivative that are inspired by some classical results of Bernstein.
Mir, Abdullah, Malik, Adil Hussain
core   +1 more source

How cold is too cold? A theoretical analysis of the optimal trigger for index insurance for frost damage to crops

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Crop insurance is undoubtedly an extremely valuable element in protecting agricultural businesses, but in many cases standard indemnity‐based products have had very low uptake due to high transaction costs elevating premiums to unaffordable levels.
Amogh Prakasha Kumar   +2 more
wiley   +1 more source

Robust H Control of Discrete-Time Uncertain Systems Based on the Extended Finsler’s Lemma

open access: yesIEEE Access
In this paper, the first contribution is the introduction of two novel conditions derived from the application of Finsler’s Lemma sequentially, which enable a new approach to controller design for discrete-time uncertain systems.
Eduardo Nunes Goncalves   +2 more
doaj   +1 more source

CONSTRUCTIVE FUNCTION THEORY ON SETS OF THE COMPLEX PLANE THROUGH POTENTIAL THEORY AND GEOMETRIC FUNCTION THEORY

open access: yes, 2006
This is a survey of some recent results concerning polynomial inequalities and polynomial approximation of functions in the complex plane. The results are achieved by the application of methods and techniques of modern geometric function theory and ...
V. V. Andrievskii
core  

Generalized weighted Sobolev spaces and applications to Sobolev orthogonal polynomials, I [PDF]

open access: yes, 2004
36 pages, no figures.-- MSC2000 codes: 41A10, 46E35, 46G10.-- Part II of this paper published in: Approx. Theory Appl. 18(2): 1-32 (2002), available at: http://e-archivo.uc3m.es/handle/10016/6483MR#: MR2047389 (2005k:42062)Zbl#: Zbl 1081.42024In this ...
Pestana, Domingo   +3 more
core   +1 more source

Redistributive land reforms, agricultural productivity, and structural change: New cross‐national evidence

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Large‐scale land reforms constitute a substantial redistribution of wealth and reallocation of agricultural land, which is a major form of asset and production input in developing countries. While land redistribution (from the rich to the poor) remains a highly controversial issue, extensive evidence on its effect is limited.
Devashish Mitra   +3 more
wiley   +1 more source

Markov and Bernstein type inequalities for polynomials

open access: yesJournal of Inequalities and Applications, 1999
In an answer to a question raised by chemist Mendeleev, A. Markov proved that if is a real polynomial of degree , then The above inequality which is known as Markov's Inequality is best possible and becomes equality for the Chebyshev polynomial .
Mohapatra RN, Govil NK
doaj  

Topological invariants of plane curve singularities: Polar quotients and Lojasiewicz gradient exponents [PDF]

open access: yes, 2019
In this paper, we study polar quotients and Łojasiewicz exponents of plane curve singularities, which are not necessarily reduced. We first show that, for complex plane curve singularities, the set of polar quotients is a topological invariant.
Hoàng, P.-D   +5 more
core   +1 more source

Negotiating contested spaces and places: Narratives of social suffering and resistance in racialized Cape Town communities

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract This study employs a schizocartographic approach to explore community narratives of space, memory, and violence in Kraaifontein, Cape Town. Through participants' accounts, ordinary places—gardens, shops, blocks, sports grounds, and streets—emerge as ambivalent geographies where trauma, resilience, and belonging intersect.
Guido Veronese   +2 more
wiley   +1 more source

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