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Mathematics, Volume 10, Issue 20

October-2 2022 - 201 articles

Cover Story: We discuss a connection between the generalized Euler characteristic Eo(|VDo|) of the original graph, which was split at edges into two separate subgraphs and their generalized Euler characteristics Ei(|VDi|), = 1,2, where |VDo| and ∣VDi∣ are the numbers of vertices with the Dirichlet boundary conditions in the graphs. Applying microwave networks which simulate quantum graphs, we show that the experimental determination of the generalized Euler characteristics Eo(|VDo|) and Ei(|VDi|), = 1,2 allows finding the number of edges in which the subnetworks were connected. View this paper
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Articles (201)

  • Article
  • Open Access
10 Citations
2,298 Views
17 Pages

21 October 2022

The rapid advancement in technology in recent years has shown that nanofluids are very vital to further development in science and technology. Moreover, many industrial specifications cannot be met by allowing natural convection only, hence the need...

  • Article
  • Open Access
6 Citations
2,305 Views
17 Pages

Functional Ergodic Time Series Analysis Using Expectile Regression

  • Fatimah Alshahrani,
  • Ibrahim M. Almanjahie,
  • Zouaoui Chikr Elmezouar,
  • Zoulikha Kaid,
  • Ali Laksaci and
  • Mustapha Rachdi

21 October 2022

In this article, we study the problem of the recursive estimator of the expectile regression of a scalar variable Y given a random variable X that belongs in functional space. We construct a new estimator and study the asymptotic properties over a ge...

  • Article
  • Open Access
5 Citations
2,424 Views
13 Pages

Modeling the Interplay between HDV and HBV in Chronic HDV/HBV Patients

  • Adequate Mhlanga,
  • Rami Zakh,
  • Alexander Churkin,
  • Vladimir Reinharz,
  • Jeffrey S. Glenn,
  • Ohad Etzion,
  • Scott J. Cotler,
  • Cihan Yurdaydin,
  • Danny Barash and
  • Harel Dahari

21 October 2022

Hepatitis D virus is an infectious subviral agent that can only propagate in people infected with hepatitis B virus. In this study, we modified and further developed a recent model for early hepatitis D virus and hepatitis B virus kinetics to better...

  • Feature Paper
  • Article
  • Open Access
10 Citations
4,374 Views
18 Pages

21 October 2022

In recent years, technological advances in nanofabrication have opened up new applications in the field of nanophotonics. To engineer and develop novel functionalities, rigorous and efficient numerical methods are required. In parallel, tremendous ad...

  • Article
  • Open Access
9 Citations
2,658 Views
18 Pages

Synchronization of Fractional-Order Neural Networks with Time Delays and Reaction-Diffusion Terms via Pinning Control

  • M. Hymavathi,
  • Tarek F. Ibrahim,
  • M. Syed Ali,
  • Gani Stamov,
  • Ivanka Stamova,
  • B. A. Younis and
  • Khalid I. Osman

21 October 2022

This paper introduces a novel synchronization scheme for fractional-order neural networks with time delays and reaction-diffusion terms via pinning control. We consider Caputo fractional derivatives, constant delays and distributed delays in our mode...

  • Article
  • Open Access
5 Citations
3,578 Views
22 Pages

Deep-Learning-Based Complex Scene Text Detection Algorithm for Architectural Images

  • Weiwei Sun,
  • Huiqian Wang,
  • Yi Lu,
  • Jiasai Luo,
  • Ting Liu,
  • Jinzhao Lin,
  • Yu Pang and
  • Guo Zhang

21 October 2022

With the advent of smart cities, the text information in an image can be accurately located and recognized, and then applied to the fields of instant translation, image retrieval, card surface information recognition, and license plate recognition. T...

  • Review
  • Open Access
4 Citations
2,121 Views
25 Pages

21 October 2022

Research in the field of building mathematical models for combustion processes has been ongoing ever since the chemical reactions of combustion were first discovered. The authors of this review have systematized mathematical models of coal–wate...

  • Article
  • Open Access
2 Citations
3,338 Views
17 Pages

OCPHN: Outfit Compatibility Prediction with Hypergraph Networks

  • Zhuo Li,
  • Jian Li,
  • Tongtong Wang,
  • Xiaolin Gong,
  • Yinwei Wei and
  • Peng Luo

21 October 2022

With the rapid development of the online shopping, the pursuit of outfit compatibility has become a basic requirement for an increasing number of customers. The existing work on outfit compatibility prediction largely focuses on modeling pairwise ite...

  • Article
  • Open Access
1 Citations
2,114 Views
21 Pages

21 October 2022

We study numerically the effects of a viscous fluid seabed on wave scattering with a solid obstacle of rectangular shape fixed at the free surface, on the seafloor, or internally within the water layer. The computational model is based on OpenFOAM an...

  • Article
  • Open Access
9 Citations
1,957 Views
15 Pages

21 October 2022

Presenting and describing a temporal series of air pollution data with longer time lengths provides more concise information and is, in fact, one of the simplest techniques of data reduction in a time series. However, this process can result in the l...

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Mathematics - ISSN 2227-7390Creative Common CC BY license