Results 51 to 60 of about 14,054 (185)

Multi-Class Imbalance in Text Classification: A Feature Engineering Approach to Detect Cyberbullying in Twitter

Informatics, 2020
Twitter enables millions of active users to send and read concise messages on the internet every day. Yet some people use Twitter to propagate violent and threatening messages resulting in cyberbullying.
Bandeh Ali Talpur, Declan O’Sullivan
doaj   +1 more source

The sixth moment of the Riemann zeta function and ternary additive divisor sums

Discrete Analysis, 2021
The sixth moment of the Riemann zeta function and ternary additive divisor sums, Discrete Analysis 2021:6, 60 pp. The Riemann hypothesis states that every non-trivial zero of the Riemann zeta function lies on the critical line $\Re(z) = 1/2$.
Nathan Ng
doaj   +1 more source

Continuous Stieltjes-Wigert Limiting Behaviour of a Family of Confluent q-Chu-Vandermonde Distributions

Axioms, 2014
From Kemp [1], we have a family of confluent q-Chu- Vandermonde distributions, consisted by three members I, II and III, interpreted as a family of q-steady-state distributions from Markov chains.
Andreas Kyriakoussis, Malvina Vamvakari
doaj   +1 more source

Pointwise universal consistency of nonparametric linear estimators [PDF]

, 2004
This paper presents sufficient conditions for pointwise universal consistency of nonparametric delta estimators.
Vidal-Sanz, Jose M.
core  

Low rank prior in single patches for non-pointwise impulse noise removal [PDF]

, 2015
This paper introduces a low rank prior in small oriented noise-free image patches: Considering an oriented patch as a matrix, a low-rank matrix approximation is enough to preserve the texture details in the optimally oriented patch.
Trucco, Emanuele; id_orcid, Pakleppa, Markus, Wang, Ruixuan   +2 more
core   +1 more source

HASIMOTO SURFACES WITH POINTWISE 1-TYPE GAUSS MAP

Journal of Science and Arts
In this study, we have investigated Hasimoto surfaces with a pointwise 1-type Gauss map, which will be useful in classifying surfaces. Firstly, we have reminded the basic concepts related to the Gauss map of a surface. Later, we have obtained the necessary conditions for surfaces to be the first kind, the second kind, and the harmonic type of the ...
KEMAL EREN, SOLEY ERSOY
openaire   +1 more source

Spacelike Rotational Surfaces of Elliptic, Hyperbolic and Parabolic Types in Minkowski Space E 1 4 ${E^{4}_{1}}$ with Pointwise 1-Type Gauss Map [PDF]

, 2014
In this work, we focus on a class of timelike rotational surfaces in Minkowski space E-1(4) with 2-dimensional axis. There are three types of rotational surfaces with 2-dimensional axis, called rotational surfaces of elliptic, hyperbolic or parabolic ...
Burcu Bektaṣ, Dursun, Uğur, Uǧur Dursun, Bektaş, Burcu   +3 more
core   +2 more sources

On the algebraic difference equations un+2un=ψ(un+1) in ℝ∗+, related to a family of elliptic quartics in the plane

Advances in Difference Equations, 2005
We continue the study of algebraic difference equations of the type un+2un=ψ(un+1), which started in a previous paper. Here we study the case where the algebraic curves related to the equations are quartics Q(K) of the plane.
M. Rogalski, G. Bastien
doaj   +1 more source

A note on asymptotic pointwise weaker Meir–Keeler-type contractions [PDF]

, 2012
In this work, we first define the asymptotic pointwise weaker Meir–Keeler-type ψ-contraction, ψ:X→ℜ+, and then a simple proof for the existence of fixed point theorems for the asymptotic pointwise weaker Meir–Keeler-type ψ-contraction is ...
Chi-Ming Chen, Chen, Chi-Ming
core   +1 more source

ON ROTATION SURFACES IN THE MINKOWSKI 3-DIMENSIONAL SPACE WITH POINTWISE 1-TYPE GAUSS MAP [PDF]

Journal of the Korean Mathematical Society, 2004
The author studies surfaces of revolution in the \(3\)-dimensional Minkowski space \({\mathbb E}^3_1\). It is proven that such surfaces have pointwise \(1\)-type Gauss map if and only if they have constant mean curvature. Here, a surface is said to have pointwise \(1\)-type Gauss map if \[ \Delta G=f\,G, \] where \(G\) is the Gauss map, \(\Delta\) the ...
openaire   +2 more sources