Results 11 to 20 of about 29,572,809 (296)

On the p-Laplace operator on Riemannian manifolds [PDF]

open access: yes, 2013
This thesis covers different aspects of the p-Laplace operators on Riemannian manifolds. Chapter 2. Potential theoretic aspects: the Khasmkinskii condition. Chapter 3: sharp eigenvalue estimates with Ricci curvature lower bounds. Chapter 4: Critical sets
Giulio Setti   +2 more
core   +3 more sources

Magnitude, number and school mathematics

open access: yesLietuvos Matematikos Rinkinys, 2021
Definitions of concepts of magnitude and number used in academic mathematics are not suitable for school mathematics for reasons of their cognitive complexity.
Rimas Norvaiša
doaj   +1 more source

Number theory in secondary schools’ mathematics

open access: yesLietuvos Matematikos Rinkinys, 2021
Schools’ curricula are analyzed in terms of Number Theory.  We deduce,  that the concept of number is first and main in secondary schools’ Mathematics.  The problems of divisibility of numbers are also discussed, the examples of such problems are given.
Eugenijus Stankus
doaj   +1 more source

Independent [1,2]-number versus independent domination number [PDF]

open access: yes, 2017
A [1, 2]-set S in a graph G is a vertex subset such that every vertex not in S has at least one and at most two neighbors in it. If the additional requirement that the set be independent is added, the existence of such sets is not guaranteed in every ...
Aleid, Sahar A.   +2 more
core   +2 more sources

A novel approach to structural load control using intelligent actuators [PDF]

open access: yes, 2009
The recent trend towards large multi-MW wind turbines resulted in the role of the control system becoming increasingly important. The extension of the role of the controller to alleviate structural loads has motivated the exploration of novel control ...
Dominguez, S.   +4 more
core   +1 more source

Impact of Inadequate Number of Lymph Nodes Examined on Survival in Stage II Colon Cancer

open access: yesFrontiers in Oncology, 2021
BackgroundInadequate number of lymph nodes examined was not uncommon. We aimed to assess the clinical role of inadequate number of lymph nodes examined in stage II colon cancer.MethodsThe cancer data used in our study were obtained from the SEER ...
Qi Wu   +6 more
doaj   +1 more source

Fermat Numbers and Mersenne Numbers [PDF]

open access: yesMathematics of Computation, 1964
This paper gives details of the computations made on an IBM 7090 computer to show that the Fermat number \(F_m = 2^{2^m} +1\) is composite for \(m=14\), and that all the Mersenne numbers \(M_p=2^p-1\) \((5000 < p < 6000)\) are composite. The method used to show that the Fermat number is composite was to compute \(3^{2^n}\) modulo \(F_m\).
Selfridge, J. L., Hurwitz, Alexander
openaire   +2 more sources

Evaluation of the effi cacy and safety of the use of asunaprevir in combination with daclatasvir in patients with chronic hepatitis С: a prospective cohort study

open access: yesМедицинский вестник Юга России, 2017
Objective: to give assessment of the effi cacy and safety of using asunaprevir in combination with daclatasvir in patients with chronic hepatitis C (HCV) with severe fi brosis and cirrhosis.
Elena B. Romanova   +5 more
doaj   +1 more source

Long-term dynamics of avifauna and bird population of Chelyabinsk International Airport Balandino, Russia

open access: yesТрансформация экосистем, 2022
Over 30-year study period (1990–2021), 144 bird species, including 54 nesting species, were registered on the territory of the Chelyabinsk International Airport Balandino.
Valeria A. Gashek, Valeriy D. Zakharov
doaj   +1 more source

Using Spreadsheets to Enhance Understanding of Number Theory [PDF]

open access: yes, 2019
Computer spreadsheets can help elementary school students explore concepts in number theory. We describe a spreadsheet program that can generate all the factors of an integer.
Ploger, Don, Toussaint, Mario
core   +1 more source

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