Results 31 to 40 of about 3,828,531 (271)

Sign, Wilcoxon and Mann-Whitney Tests for Functional Data: An Approach Based on Random Projections

open access: yesMathematics, 2020
Sign, Wilcoxon and Mann-Whitney tests are nonparametric methods in one or two-sample problems. The nonparametric methods are alternatives used for testing hypothesis when the standard methods based on the Gaussianity assumption are not suitable to be ...
R. Meléndez, R. Giraldo, V. Leiva
semanticscholar   +1 more source

Quantum graphs whose spectra mimic the zeros of the Riemann zeta function [PDF]

open access: yes, 2014
One of the most famous problems in mathematics is the Riemann hypothesis: that the non-trivial zeros of the Riemann zeta function lie on a line in the complex plane.
Hummel, Quirin   +2 more
core   +2 more sources

Sign-changing solutions for a class of p-Laplacian Kirchhoff-type problem with logarithmic nonlinearity

open access: yesAIMS Mathematics, 2020
"In this paper, we study the existence of ground state sign-changing solutions for following $p$-Laplacian Kirchhoff-type problem with logarithmic nonlinearity\begin{equation*} \left\{ \renewcommand{\arraystretch}{1.25} \begin{array}{ll} -(a+ b\int _ ...
Ya-Lei Li, Da-Bin Wang, Jin-Long Zhang
semanticscholar   +1 more source

Toward A Coherent Treatment of Negative Numbers

open access: yesJournal of Mathematics Education at Teachers College, 2013
The transition from whole numbers to integers involves challenges for both students and teachers. Leadership in mathematics education calls for an ability to translate depth of understanding into effective teaching methods, and this landscape includes ...
Kurt Kreith, Al Mendle
doaj   +3 more sources

Representation in Teaching and Learning Mathematics

open access: yes, 2020
Representation is an important element for teaching and learning mathematics since utilization of multiple modes of representation would enhance teaching and learning mathematics.
B. Mainali
semanticscholar   +1 more source

A Dirichlet problem with asymptotically linear and changing sign nonlinearity [PDF]

open access: yes, 2003
This paper deals with the problem of finding positive solutions to the equation ¡¢u = g(x; u) on a bounded domain ­; with Dirichlet boundary conditions. The function g can change sign and has asymptotically linear behaviour.
Lucia, Marcello   +2 more
core   +2 more sources

On the sign patterns of entrywise positivity preservers in fixed dimension [PDF]

open access: yesAmerican Journal of Mathematics, 2017
:Given a domain $I\subset\Bbb{C}$ and an integer $N>0$, a function $f: I\to\Bbb{C}$ is said to be {\it entrywise positivity preserving} on positive semidefinite $N\times N$ matrices $A=(a_{jk})\in I^{N\times N}$, if the entrywise application $f[A]=(f(a_ ...
A. Khare, T. Tao
semanticscholar   +1 more source

Delooping the sign homomorphism in univalent mathematics

open access: yes, 2023
In univalent mathematics there are at least two equivalent ways to present the category of groups. Groups presented in their usual algebraic form are called abstract groups, and groups presented as pointed connected $1$-types are called concrete groups.
Mangel, Éléonore, Rijke, Egbert
openaire   +2 more sources

Analisis Kesalahan Mahasiswa Dalam Menyelesaikan Soal Persamaan dan Pertidaksamaan Pada Mata Kuliah Kalkulus I

open access: yesJurnal Derivat, 2022
The goal of this research is to give description about the various errors that students make in solving equations and inequalities in the calculus I subject.
Tuhfatul Janan
doaj   +1 more source

Evaluation of the Implementation of the Discovery Learning Model in Learning Mathematics in Deaf Special Junior High Schools

open access: yesIndonesian Journal of Educational Research and Review, 2023
Learning mathematics at SMPLB is similar to normal schools in general. The difference is only in the substance of the material and the way the teacher teaches the material in class, where the interaction is carried out using sign language, hand gestures,
Gst Ayu Mahayukti, Putu Kartika Dewi
doaj   +1 more source

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