نتایج جستجو برای: hilberts 16th problem

تعداد نتایج: 884250  

Journal: :Analytical and Bioanalytical Chemistry 2012

Journal: :Journal of Approximation Theory 2022

We give a few examples of Chebyshev polynomials that appeared in mathematical problems from the 16th and 17th century. The main example is famous equation Adrianus Romanus (Adriaan van Roomen) containing polynomial degree 45.

1999
D. NOVIKOV

The tangential Hilbert 16th problem is to place an upper bound for the number of isolated ovals of algebraic level curves {H(x, y) = const} over which the integral of a polynomial 1-form P (x, y) dx + Q(x, y) dy (the Abelian integral) may vanish, the answer to be given in terms of the degrees n = degH and d = max(degP, degQ). We describe an algorithm producing this upper bound in the form of a ...

Journal: :American journal of nephrology 1999
M E De Broe D L De Weerdt D K Ysebaert S R Vercauteren K E De Greef L C De Broe

Andreas Vesalius and Jan Baptist Van Helmont are the two major personalities who contributed substantially and in a different way to the early development of renal anatomy/physiology of the 16th/17th century in the Southern Low Countries. The importance of A. Vesalius' publication 'de humani corporis fabrica libri septem' cannot be overestimated. The kidney was an intriguing organ to Vesalius, ...

2005
Songlin Cheng

not available. Characterization of Soil Contamination at Former Small Arms Training Ranges Utilizing a Triad Work Strategy Chien, Elizabeth, Gwyn Puckett, and Kym Takasaki, US Army Corps of Engineers, Seattle District, Seattle, WA. The 20th Annual International Conference on Soils, Sediments and Water, 18-21 October 2004, University of Massachusetts at Amherst. Poster Presentation. This paper d...

Journal: :Journal of Differential Equations 2021

A necessary and sufficient condition is given for quasi-homogeneous polynomial Hamiltonian systems having a center. Then it shown that there exists bound on the number of limit cycles bifurcating from period annulus at any order Melnikov functions; explicit expression this in terms (n,k,s1,s2), where n degree perturbation polynomials, k first nonzero higher function, (s1,s2) weight exponent wit...

Journal: :Journal of investigational allergology & clinical immunology 2005
R T Barbieri J Croce R F Gandra E Gagete C R Paula W Gambale

Metarhizium anisopliae is used as a biopesticide for insects that damage agricultural plantations like sugar cane and forage plants. In a previous study the sensitization to this fungus of asthmatic patients coming from sugar cane areas was showed. The aims of this work were: to compare crude extracts obtained with Tris-HCl and Coca liquid from several growth phases of M. anisopliae concerning ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده فنی و مهندسی 1387

abstract biometric access control is an automatic system that intelligently provides the access of special actions to predefined individuals. it may use one or more unique features of humans, like fingerprint, iris, gesture, 2d and 3d face images. 2d face image is one of the important features with useful and reliable information for recognition of individuals and systems based on this ...

2014
Teng Xu Miodrag Potkonjak

Digital systems have numerous advantages over analog systems including robustness, resiliency against operational variations. However, one of the most popular hardware security primitive, PUF, has been an analog component. In this paper, we propose the concept of digital PUF where the core idea is to intentionally use high-risk synthesis to induce defects in circuits. Due to the effect of proce...

2013
Ahmed Naif Alahmadi Gordon M. Russell Alex Yakovlev Raimund Ubar Sergei Kostin Jaan Raik

We cordially welcome all participants of DDECS 2013 to Karlovy Vary – the most famous spa town of the Czech Republic. The DDECS symposium series has been organized by the Czech Republic (1997, 2002, 2006, 2009), Poland (1998, 2003, 2007), Slovakia (2000, 2004, 2008), Hungary (2001, 2005), Austria (2010), Germany (2011) and Estonia (2012). After our very successful event in Tallinn, Estonia, we ...

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