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1,647 Results Found

  • Article
  • Open Access
1,658 Views
13 Pages

24 October 2023

The aim of this paper is to investigate when a linear normed space is an inner product space. Several conditions in a linear normed space are formulated with the help of inequalities. Some of them are from the literature and others are new. We prove...

  • Article
  • Open Access
4 Citations
2,504 Views
14 Pages

Inner Product Groups and Riesz Representation Theorem

  • Alireza Pourmoslemi,
  • Tahereh Nazari and
  • Mehdi Salimi

15 October 2021

In this paper, we introduce an inner product on abelian groups and, after investigating the basic properties of the inner product, we first show that each inner product group is a torsion-free abelian normed group. We give examples of such groups and...

  • Article
  • Open Access
2,084 Views
16 Pages

Chebyshev-Steffensen Inequality Involving the Inner Product

  • Milica Klaričić Bakula and
  • Josip Pečarić

1 January 2022

In this paper, we prove the Chebyshev-Steffensen inequality involving the inner product on the real m-space. Some upper bounds for the weighted Chebyshev-Steffensen functional, as well as the Jensen-Steffensen functional involving the inner product u...

  • Article
  • Open Access
5 Citations
3,402 Views
14 Pages

Practical Inner Product Encryption with Constant Private Key

  • Yi-Fan Tseng,
  • Zi-Yuan Liu and
  • Raylin Tso

3 December 2020

Inner product encryption, first introduced by Katz et al., is a type of predicate encryption in which a ciphertext and a private key correspond to an attribute vector and a predicate vector, respectively. Only if the attribute and predicate vectors s...

  • Article
  • Open Access
14 Citations
3,029 Views
37 Pages

3 June 2020

In this article, we prove an orthogonal decomposition theorem for real inner product gyrogroups, which unify some well-known gyrogroups in the literature: Einstein, Möbius, Proper Velocity, and Chen’s gyrogroups. This leads to the study of...

  • Article
  • Open Access
5 Citations
3,881 Views
9 Pages

1 April 2021

The aim of this paper is to provide a suitable definition for the concept of fuzzy inner product space. In order to achieve this, we firstly focused on various approaches from the already-existent literature. Due to the emergence of various studies o...

  • Article
  • Open Access
3 Citations
2,604 Views
12 Pages

23 May 2019

The purpose of this paper is to prove certain refinements of Ostrowski’s inequality in an inner product space. We study extensions of Ostrowski type inequalities in a 2-inner product space. Finally, some applications which are related to the Chebyshe...

  • Article
  • Open Access
5 Citations
2,550 Views
16 Pages

10 January 2022

With the rise of technology in recent years, more people are studying distributed system architecture, such as the e-government system. The advantage of this architecture is that when a single point of failure occurs, it does not cause the system to...

  • Article
  • Open Access
5 Citations
3,265 Views
23 Pages

19 April 2021

With the recent advances in mobile technologies, biometric verification is being adopted in many smart devices as a means for authenticating their owners. As biometric data leakage may cause stringent privacy issues, many proposals have been offered...

  • Article
  • Open Access
6 Citations
2,640 Views
7 Pages

Absence of Non-Trivial Fuzzy Inner Product Spaces and the Cauchy–Schwartz Inequality

  • Taechang Byun,
  • Ji Eun Lee,
  • Keun Young Lee and
  • Jin Hee Yoon

11 April 2020

First, we show that the non-trivial fuzzy inner product space under the linearity condition does not exist, which means a fuzzy inner product space with linearity produces only a crisp real number for each pair of vectors. If the positive-definitenes...

  • Article
  • Open Access
6 Citations
3,184 Views
13 Pages

26 November 2020

The aim of this article is to establish several estimates of the triangle inequality in a normed space over the field of real numbers. We obtain some improvements of the Cauchy–Schwarz inequality, which is improved by using the Tapia semi-inner...

  • Article
  • Open Access
3 Citations
1,539 Views
13 Pages

A New Semi-Inner Product and pn-Angle in the Space of p-Summable Sequences

  • Muh Nur,
  • Mawardi Bahri,
  • Anna Islamiyati and
  • Harmanus Batkunde

16 July 2023

In this paper, we propose a definition for a semi-inner product in the space of p-summable sequences equipped with an n-norm. Using this definition, we introduce the concepts of pn-orthogonality and the pn-angle between two vectors in the s...

  • Article
  • Open Access
15 Citations
6,243 Views
27 Pages

18 January 2025

Within the framework of 6G networks, the rapid proliferation of Internet of Things (IoT) devices, coupled with their decentralized and heterogeneous characteristics, presents substantial security challenges. Conventional centralized systems face sign...

  • Article
  • Open Access
1,300 Views
26 Pages

29 October 2024

In recent years, data mining technology has become increasingly popular, evolving into an independent discipline as research deepens. This study constructs and optimizes an association rule algorithm based on the Boolean vector (BV) inner product and...

  • Article
  • Open Access
5 Citations
3,525 Views
20 Pages

18 January 2023

By mimicking the hierarchical structure of human brain, deep spiking neural networks (DSNNs) can extract features from a lower level to a higher level gradually, and improve the performance for the processing of spatio-temporal information. Due to th...

  • Article
  • Open Access
7 Citations
4,007 Views
16 Pages

Classification of Complex Fuzzy Numbers and Fuzzy Inner Products

  • Jin Hee Yoon,
  • Taechang Byun,
  • Ji Eun Lee and
  • Keun Young Lee

20 September 2020

The paper is concerned with complex fuzzy numbers and complex fuzzy inner product spaces. In the classical complex number set, a complex number can be expressed using the Cartesian form or polar form. Both expressions are needed because one expressio...

  • Article
  • Open Access
5 Citations
4,462 Views
25 Pages

5 December 2020

Studies in adults showed differential neural processing between overt and inner speech. So far, it is unclear whether inner and overt speech are processed differentially in children. The present study examines the pre-activation of the speech network...

  • Article
  • Open Access
4 Citations
3,224 Views
16 Pages

Effects of Climate Change on the Climatic Production Potential of Potatoes in Inner Mongolia, China

  • Li-Tao Yang,
  • Jun-Fang Zhao,
  • Xiang-Ping Jiang,
  • Sheng Wang,
  • Lin-Hui Li and
  • Hong-Fei Xie

27 June 2022

Understanding the impacts of regional climate change on crop production will benefit strategic decisions for future agricultural adaptation in China. In this study, the climatic production potential of potato over the past 61 years in Inner Mongolia...

  • Article
  • Open Access
26 Citations
7,184 Views
18 Pages

Speech production not only relies on spoken (overt speech) but also on silent output (inner speech). Little is known about whether inner and overt speech are processed differently and which neural mechanisms are involved. By simultaneously applying e...

  • Article
  • Open Access
20 Citations
3,132 Views
15 Pages

25 September 2020

There is increasing focus on the difficult challenge of realizing coordinated development of production, living and ecological spaces within the regional development process. An ecological–production–living space evaluation index system w...

  • Article
  • Open Access
22 Citations
5,367 Views
26 Pages

12 March 2021

The rapidly increasing expansion of distributed energy resources (DER), such as renewable energy systems and energy storage systems into the electric power system and the integration of advanced information and communication technologies enable DER o...

  • Article
  • Open Access
3 Citations
2,655 Views
22 Pages

12 May 2023

Production efficiency is a standard to evaluate the high-quality development of animal husbandry. As an important tool for herdsmen to collect and use information for animal husbandry production and innovation, the internet is not only an inner motiv...

  • Article
  • Open Access
32 Citations
4,404 Views
21 Pages

With the supply of water, energy and food facing severe challenges, there has been an increased recognition of the importance of studying the regional water–energy–food nexus. In this paper, Inner Mongolia, including 12 cities in China, w...

  • Article
  • Open Access
1 Citations
942 Views
21 Pages

21 February 2025

Rapid urbanization is causing ecological and environmental issues to worsen. The stability of the ecosystem function of the farming–pastoral ecotone (FPE) in Inner Mongolia is essential to ensuring the sustained growth of the nearby cities, act...

  • Article
  • Open Access
27 Citations
5,261 Views
26 Pages

8 November 2021

Grassland ecosystems are a significant part of the global ecosystem and support the livelihoods of millions of people. The Inner Mongolia grassland is the largest temperate grassland in the world, and an important ecological barrier for China, but du...

  • Article
  • Open Access
7 Citations
5,576 Views
22 Pages

11 November 2020

This paper investigates how two fundamental consumer characteristics, self-esteem (inner-self) and status seeking (outer-self), influence consumers’ purchasing behaviors of CSR (Corporate Social Responsibility) products via two mediating effect...

  • Article
  • Open Access
1,311 Views
32 Pages

9 December 2024

As a key task in machine learning, data classification is essential to find a suitable coordinate system to represent the data features of different classes of samples. This paper proposes the mutual-energy inner product optimization method for const...

  • Article
  • Open Access
2 Citations
1,884 Views
15 Pages

Sequentially Ordered Sobolev Inner Product and Laguerre–Sobolev Polynomials

  • Abel Díaz-González,
  • Juan Hernández and
  • Héctor Pijeira-Cabrera

20 April 2023

We study the sequence of polynomials {Sn}n≥0 that are orthogonal with respect to the general discrete Sobolev-type inner product ⟨f,g⟩s=∫f(x)g(x)dμ(x)+∑j=1N∑k=0djλj,kf(k)(cj)g(k)(cj), where μ is a finite Bore...

  • Article
  • Open Access
5 Citations
2,628 Views
16 Pages

6 June 2022

In this contribution we consider sequences of monic polynomials orthogonal with respect to the Sobolev-type inner product f,g=⟨uM,fg⟩+λTjf(α)Tjg(α), where uM is the Meixner linear operator, λ∈R+, j∈N,...

  • Article
  • Open Access
1 Citations
3,645 Views
18 Pages

17 May 2021

In the domain of functional magnetic resonance imaging (fMRI) data analysis, given two correlation matrices between regions of interest (ROIs) for the same subject, it is important to reveal relatively large differences to ensure accurate interpretat...

  • Article
  • Open Access
1 Citations
1,367 Views
17 Pages

7 June 2023

This work aims to develop a new class of accretive mappings and investigate its associated class of proximal mappings. This new class of accretive mappings is known as generalized (Hk,φ)-η-accretive mappings. Further, the research work includ...

  • Article
  • Open Access
2 Citations
1,889 Views
22 Pages

14 March 2024

A unitary-evolution process leading to an ultimate collapse and to a complete loss of observability alias quantum phase transition is studied. A specific solvable N−state model is considered, characterized by a non-stationary non-Hermitian Hami...

  • Article
  • Open Access
3 Citations
1,606 Views
14 Pages

21 September 2023

In this study, we first generalize the Lorentzian inner and vector products, and then we define the generalized split quaternions by means of the generalized Lorentzian inner and vector products. Next, on any hyperboloid of one or two sheets, which i...

  • Article
  • Open Access
9 Citations
3,424 Views
14 Pages

The Impact of Strip Roads on the Productivity of Spruce Plantations

  • Andrius Kuliešis,
  • Marius Aleinikovas,
  • Edgaras Linkevičius,
  • Andrius A. Kuliešis,
  • Jonas Saladis,
  • Mindaugas Škėma,
  • Benas Šilinskas and
  • Lina Beniušienė

13 October 2018

Strip roads serve to enable silviculture operations, maintain biodiversity, and decrease damages to the soil and environment. At the same time, strip roads decrease the productive area. The aim of this study is to evaluate the influence of strip road...

  • Communication
  • Open Access
3 Citations
2,896 Views
15 Pages

21 April 2023

In Internet of Things (IoT) systems in which a large number of IoT devices are connected to each other and to third-party servers, it is crucial to verify whether each device operates appropriately. Although anomaly detection can help with this verif...

  • Article
  • Open Access
6 Citations
4,202 Views
25 Pages

Lagrangian Reduced Order Modeling Using Finite Time Lyapunov Exponents

  • Xuping Xie,
  • Peter J. Nolan,
  • Shane D. Ross ,
  • Changhong Mou  and
  • Traian Iliescu

23 October 2020

There are two main strategies for improving the projection-based reduced order model (ROM) accuracy—(i) improving the ROM, that is, adding new terms to the standard ROM; and (ii) improving the ROM basis, that is, constructing ROM bases that yie...

  • Article
  • Open Access
5 Citations
2,982 Views
17 Pages

Comparative Verification of Leaf Area Index Products for Different Grassland Types in Inner Mongolia, China

  • Beibei Shen,
  • Jingpeng Guo,
  • Zhenwang Li,
  • Jiquan Chen,
  • Wei Fang,
  • Maira Kussainova,
  • Amartuvshin Amarjargal,
  • Alim Pulatov,
  • Ruirui Yan and
  • Xiaoping Xin
  • + 1 author

27 September 2023

Leaf area index (LAI) is a key indicator of vegetation structure and function, and its products have a wide range of applications in vegetation condition assessment and usually act as important input parameters for ecosystem modeling. Grassland plays...

  • Perspective
  • Open Access
1 Citations
2,758 Views
10 Pages

Vectors are almost always introduced as objects having magnitude and direction. Following that idea, textbooks and courses introduce the concept of a vector norm and the angle between two vectors. While this is correct and useful for vectors in two-...

  • Article
  • Open Access
9 Citations
3,267 Views
16 Pages

Cuproof: Range Proof with Constant Size

  • Cong Deng,
  • Lin You,
  • Xianghong Tang,
  • Gengran Hu and
  • Shuhong Gao

25 February 2022

Zero-Knowledge Proof is widely used in blockchains. For example, zk-SNARK is used in Zcash as its core technology to identifying transactions without the exposure of the actual transaction values. Up to now, various range proofs have been proposed, a...

  • Article
  • Open Access
42 Citations
8,147 Views
20 Pages

A Secured Proxy-Based Data Sharing Module in IoT Environments Using Blockchain

  • Kwame Opuni-Boachie Obour Agyekum,
  • Qi Xia,
  • Emmanuel Boateng Sifah,
  • Jianbin Gao,
  • Hu Xia,
  • Xiaojiang Du and
  • Moshen Guizani

11 March 2019

Access and utilization of data are central to the cloud computing paradigm. With the advent of the Internet of Things (IoT), the tendency of data sharing on the cloud has seen enormous growth. With data sharing comes numerous security and privacy iss...

  • Article
  • Open Access
2 Citations
3,226 Views
19 Pages

26 April 2021

Crowdsourcing enables requesters to publish tasks to a platform and workers are rewarded for performing tasks of interest. It provides an efficient and low-cost way to aggregate data and solve problems that are difficult for computers but simple for...

  • Article
  • Open Access
1,833 Views
17 Pages

12 September 2020

In this article, we established new results related to a 2-pre-Hilbert space. Among these results we will mention the Cauchy-Schwarz inequality. We show several applications related to some statistical indicators as average, variance and standard dev...

  • Article
  • Open Access
13 Citations
3,531 Views
23 Pages

Rural areas are crucial to the realization of sustainable development goals (SDGs). Rural social capital is indispensable for these areas to fulfil the SDGs. As China pursues rural revitalization, it is essential to achieve the sustainable developmen...

  • Article
  • Open Access
3 Citations
2,341 Views
25 Pages

Solution of Steady Incompressible MHD Problems with Quasi-Least Square Method

  • Shahid Hussain,
  • Shams ur Rahman,
  • Suhail Abbas and
  • Munawwar Ali Abbas

A quasi-least-squares (QLS) mixed finite element method (MFE) based on the L2-inner product is utilized to solve an incompressible magnetohydrodynamic (MHD) model. These models are associated with the three unknown terms, i.e., fluid velocity, fluid...

  • Article
  • Open Access
66 Citations
5,991 Views
17 Pages

Influence of Livelihood Capitals on Livelihood Strategies of Herdsmen in Inner Mongolia, China

  • Wenqiang Ding,
  • Saheed Olaide Jimoh,
  • Yulu Hou,
  • Xiangyang Hou and
  • Weiguo Zhang

18 September 2018

Herders’ living strategy is a function of the capitals at their disposal which also serve as a buffering mechanism when shocks arise. An insight into the connection between livelihood strategies and capitals owned by herders provides guidance t...

  • Article
  • Open Access
4 Citations
2,230 Views
23 Pages

3 April 2024

We consider some basic problems associated with quantum mechanics of systems having a time-dependent Hilbert space. We provide a consistent treatment of these systems and address the possibility of describing them in terms of a time-independent Hilbe...

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