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Mathematics, Volume 8, Issue 3

March 2020 - 159 articles

Cover Story: The simple glacial flip flop system illuminates the interplay between two competing feedbacks, temperature–albedo and temperature–precipitation, that results in glacial cycles. Higher meridional flux results in positive mass balance, leading up to maximum ice cap extent of the glacial state. A negative mass balance initiates the collapse of the ice cap, lowering the meridional flux and ending in a minimum ice cap extent of the interglacial state. View this paper.
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Articles (159)

  • Article
  • Open Access
23 Citations
5,477 Views
13 Pages

24 March 2020

The importance of cybersecurity has recently been increasing. A malware coder writes malware into normal executable files. A computer is more likely to be infected by malware when users have easy access to various executables. Malware is considered a...

  • Article
  • Open Access
2,568 Views
12 Pages

24 March 2020

In this paper a two component redundant renewable system operating under the Marshall–Olkin failure model is considered. The purpose of the study is to find analytical expressions for the time dependent and the steady state characteristics of t...

  • Article
  • Open Access
8 Citations
4,115 Views
20 Pages

Using Different Qualitative Scales in a Multi-Criteria Decision-Making Procedure

  • Raquel González del Pozo,
  • Luis C. Dias and
  • José Luis García-Lapresta

24 March 2020

Many decision problems manage linguistic information assessed through several ordered qualitative scales. In these contexts, the main problem arising is how to aggregate this qualitative information. In this paper, we present a multi-criteria decisio...

  • Article
  • Open Access
280 Citations
13,808 Views
18 Pages

A New Fuzzy MARCOS Method for Road Traffic Risk Analysis

  • Miomir Stanković,
  • Željko Stević,
  • Dillip Kumar Das,
  • Marko Subotić and
  • Dragan Pamučar

24 March 2020

In this paper, a new fuzzy multi-criteria decision-making model for traffic risk assessment was developed. A part of a main road network of 7.4 km with a total of 38 Sections was analyzed with the aim of determining the degree of risk on them. For th...

  • Article
  • Open Access
14 Citations
4,136 Views
17 Pages

23 March 2020

This paper is concerned with the stability of an age-structured susceptible–exposed– infective–recovered–susceptible (SEIRS) model with time delay. Firstly, the traveling wave solution of system can be obtained by using the me...

  • Article
  • Open Access
12 Citations
5,237 Views
18 Pages

23 March 2020

The stress–strain behavior of nano magnesia-cement-reinforced seashore soft soil (Nmcs) under different circumstances exhibits various characteristics, e.g., strain-hardening behavior, falling behavior, S-type falling behavior, and strong softe...

  • Article
  • Open Access
25 Citations
3,146 Views
8 Pages

22 March 2020

In this work, we present a new technique for the oscillatory properties of solutions of higher-order differential equations. We set new sufficient criteria for oscillation via comparison with higher-order differential inequalities. Moreover, we use t...

  • Article
  • Open Access
58 Citations
6,430 Views
20 Pages

An Optimization Model for the Temporary Locations of Mobile Charging Stations

  • Maria-Simona Răboacă,
  • Irina Băncescu,
  • Vasile Preda and
  • Nicu Bizon

21 March 2020

A possible solution with which to alleviate the range anxiety of electric vehicle (EV) drivers could be a mobile charging station which moves in different places to charge EVs, having a charging time of even half an hour. A problem that arises is the...

  • Article
  • Open Access
7 Citations
3,612 Views
15 Pages

20 March 2020

We investigate the extent to which the United States and the countries of Europe have achieved economic convergence of their corporate sector. We define convergence as the homogenization of economic performance, institutional arrangements, and market...

  • Article
  • Open Access
32 Citations
3,590 Views
15 Pages

20 March 2020

In the recent literature, some fractional one-point Newton-type methods have been proposed in order to find roots of nonlinear equations using fractional derivatives. In this paper, we introduce a new fractional Newton-type method with order of conve...

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Mathematics - ISSN 2227-7390