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880 Results Found

  • Article
  • Open Access
7 Citations
7,039 Views
11 Pages

Effect of Isomorphous Substitution on the Thermal Decomposition Mechanism of Hydrotalcites

  • Sergio Crosby,
  • Doanh Tran,
  • David Cocke,
  • El-Shazly M. Duraia and
  • Gary W. Beall

17 October 2014

Hydrotalcites have many important applications in catalysis, wastewater treatment, gene delivery and polymer stabilization, all depending on preparation history and treatment scenarios. In catalysis and polymer stabilization, thermal decomposition is...

  • Article
  • Open Access
12 Citations
7,415 Views
16 Pages

13 January 2022

Garnet has many species because of its common isomorphism. In this study, a suite of 25 natural gem-quality garnets, including pyrope, almandine, spessartine, grossular, and andradite, were examined by standard gemological testing, LA-ICP-MS, FTIR, a...

  • Article
  • Open Access
5 Citations
8,330 Views
13 Pages

Isomorphous Crystals from Diynes and Bromodiynes Involved in Hydrogen and Halogen Bonds

  • Pierre Baillargeon,
  • Édouard Caron-Duval,
  • Émilie Pellerin,
  • Simon Gagné and
  • Yves L. Dory

2 April 2016

Isomorphous crystals of two diacetylene derivatives with carbamate functionality (BocNH-CH2-diyne-X, where X = H or Br) have been obtained. The main feature of these structures is the original 2D arrangement (as supramolecular sheets or walls) in whi...

  • Article
  • Open Access
9 Citations
4,325 Views
13 Pages

6 December 2019

Sorafenib and regorafenib (or fluoro-sorafenib) are multikinase inhibitors active in the treatment of various human cancers, but their solubilities are very poor. To improve their solubilities, in this study, sorafenib hydrochloride (Sor·HCl,...

  • Article
  • Open Access
2 Citations
1,318 Views
18 Pages

A New Mineral Calcioveatchite, SrCaB11O16(OH)5·H2O, and the Veatchite–Calcioveatchite Isomorphous Series

  • Igor V. Pekov,
  • Natalia V. Zubkova,
  • Vladimir N. Apollonov,
  • Vasiliy O. Yapaskupt,
  • Sergey N. Britvin and
  • Dmitry Yu. Pushcharovsky

2 September 2024

The new mineral calcioveatchite, ideally SrCaB11O16(OH)5·H2O, is a Ca-Sr-ordered analogue of veatchite. It was found at the Nepskoe potassium salt deposit, Irkutsk Oblast, Siberia, Russia in halite-sylvite and sylvite-carnallite rocks, with bo...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,364 Views
30 Pages

3 October 2020

We consider smooth binary operations invariant with respect to unitary transformations that generalize the operations of the Beltrami–Klein and Beltrami–Poincare ball models of hyperbolic geometry, known as Einstein addition and Möbi...

  • Article
  • Open Access
10 Citations
3,611 Views
19 Pages

21 July 2021

Megaproject citizenship behavior (MCB) has been confirmed to a play vital role on megaproject performance. Although current research has argued that institution elements have had an impact on MCB diffusion, limited studies have empirically investigat...

  • Entry
  • Open Access
2,726 Views
11 Pages

From Isomorphism to Institutional Work: The Advancement of Institutional Theory in Public Administration

  • Olga Alexandra Chinita Pirrolas and
  • Pedro Miguel Alves Ribeiro Correia

Analysing the need for homogenisation of organisations and the incorporation of institutional theory in public administration is a relevant topic, given that it is a process that reflects the historical characteristics of an organisation built by the...

  • Feature Paper
  • Article
  • Open Access
2 Citations
1,406 Views
16 Pages

On the Graph Isomorphism Completeness of Directed and Multidirected Graphs

  • Sebastian Pardo-Guerra,
  • Vivek Kurien George and
  • Gabriel A. Silva

11 January 2025

The category of directed graphs is isomorphic to a particular category whose objects are labeled undirected bipartite graphs and whose morphisms are undirected graph morphisms that respect the labeling. Based on this isomorphism, we begin by showing...

  • Article
  • Open Access
5 Citations
4,841 Views
16 Pages

MapEff: An Effective Graph Isomorphism Agorithm Based on the Discrete-Time Quantum Walk

  • Kai Liu,
  • Yi Zhang,
  • Kai Lu,
  • Xiaoping Wang,
  • Xin Wang and
  • Guojing Tian

5 June 2019

Graph isomorphism is to determine whether two graphs have the same topological structure. It plays a significant role in areas of image matching, biochemistry, and information retrieval. Quantum walk, as a novel quantum computation model, has been em...

  • Review
  • Open Access
27 Citations
5,150 Views
22 Pages

17 August 2020

The review considers various complex mechanisms of isomorphism in the eudialyte-group minerals, involving both key positions of the heteropolyhedral framework and extra-framework components. In most cases, so-called blocky isomorphism is realized whe...

  • Feature Paper
  • Article
  • Open Access
1 Citations
6,530 Views
33 Pages

The Effect of Isomorphic Pitch Layouts on the Transfer of Musical Learning

  • Sophia Stanford,
  • Andrew J. Milne and
  • Jennifer MacRitchie

6 December 2018

The physical arrangement of pitches in most traditional musical instruments—including the piano and guitar—is non-isomorphic, which means that a given spatial relationship between two keys, buttons, or fretted strings can produce differin...

  • Article
  • Open Access
3 Citations
3,719 Views
19 Pages

8 August 2018

The isomorphism problem involves judging whether two graphs are topologically the same and producing structure-preserving isomorphism mapping. It is widely used in various areas. Diverse algorithms have been proposed to solve this problem in polynomi...

  • Article
  • Open Access
6 Citations
3,846 Views
18 Pages

5 December 2019

Systematic periodic density functional theory computations including dispersion correction (DFT-D) were carried out to determine the preferred location site of Zr atoms in sodalite (SOD) and CHA-type topology frameworks, including alumino-phosphate-3...

  • Article
  • Open Access
8 Citations
3,750 Views
22 Pages

Non-Financial Disclosure: Isomorphism Effect in the Face of New Regulation

  • Igor Álvarez-Etxeberria,
  • Miguel Marco-Fondevila and
  • Constancio Zamora-Ramírez

23 May 2023

The purpose of this paper is to study the mimetic isomorphism process among firms in a context of expectations of further non-financial disclosure regulation. From the new institutionalism theory approach, we study the effect that the 2014/95/EU Dire...

  • Article
  • Open Access
4 Citations
2,758 Views
18 Pages

Isomorph Invariance of Higher-Order Structural Measures in Four Lennard–Jones Systems

  • Mahajabin Rahman,
  • Benjamin M. G. D. Carter,
  • Shibu Saw,
  • Ian M. Douglass,
  • Lorenzo Costigliola,
  • Trond S. Ingebrigtsen,
  • Thomas B. Schrøder,
  • Ulf R. Pedersen and
  • Jeppe C. Dyre

20 March 2021

In the condensed liquid phase, both single- and multicomponent Lennard–Jones (LJ) systems obey the “hidden-scale-invariance” symmetry to a good approximation. Defining an isomorph as a line of constant excess entropy in the thermodynamic phase diagra...

  • Article
  • Open Access
1 Citations
2,067 Views
16 Pages

9 November 2022

We present a numerical study of the asymmetric dumbbell model consisting of “molecules” constructed as two different-sized Lennard-Jones spheres connected by a rigid bond. In terms of the largest (A) particle radius, we report data for th...

  • Article
  • Open Access
687 Views
24 Pages

This paper presents a methodological framework, Tonal Isomorphism (TI), derived from Tonal Meta-Ontology (TMO), focusing on operational protocols rather than ontological foundations. Tonal Isomorphism is framed as a meta-protocol rather than a metaph...

  • Article
  • Open Access
6 Citations
6,481 Views
12 Pages

29 May 2015

Five coordination polymers with the stoichiometry CaX2(valine)2(H2O)2 (X = Cl, Br) were obtained from the corresponding calcium halides and either racemic and enantiopure valine. In all cases the zwitterionic amino acid is exclusively O coordinated a...

  • Article
  • Open Access
15 Citations
8,111 Views
15 Pages

Frequency Conversion in KTP Crystal and Its Isomorphs

  • Sergey Gagarskiy,
  • Sergey Grechin,
  • Pioter Druzhinin,
  • Kiyoshi Kato,
  • David Kochiev,
  • Pavel Nikolaev and
  • Nobihuro Umemura

10 October 2018

We report the results of an analysis of the functional capabilities of the KTP crystal and its isomorphs for nonlinear-optical frequency conversion of all types of interactions in the transparency range of the crystal. The possibility of implementing...

  • Article
  • Open Access
31 Citations
7,993 Views
16 Pages

20 April 2018

The study surveyed 222 small and medium enterprises (SMEs) from the Limpopo province of South Africa on the impact of mimicry isomorphism in making sustainable development operational. The research made use of self-administered questionnaires which w...

  • Article
  • Open Access
1 Citations
2,830 Views
17 Pages

Semantic Similarity-Based Mobile Application Isomorphic Graphical User Interface Identification

  • Jing Cheng,
  • Jiayi Zhao,
  • Weidong Xu,
  • Tao Zhang,
  • Feng Xue and
  • Shaoying Liu

18 January 2023

Applying robots to mobile application testing is an emerging approach to automated black-box testing. The key to supporting automated robot testing is the efficient modeling of GUI elements. Since the application under testing often contains a large...

  • Article
  • Open Access
3 Citations
3,487 Views
19 Pages

11 September 2024

The digital economy is a prevailing trend in global development, yet traditional firms still face challenges in digital transformation. Under institutional pressure, firms might imitate the digital strategy of their peers to mitigate these issues; th...

  • Article
  • Open Access
2 Citations
1,391 Views
25 Pages

Quantitative Description of Isomorphism in the Series of Simple Compounds

  • Andrzej Kuczumow,
  • Mieczysław Gorzelak,
  • Jakub Kosiński,
  • Agnieszka Lasota,
  • Anna Szabelska,
  • Tomasz Blicharski,
  • Jacek Gągała,
  • Jolanta Wawrzyniak,
  • Maciej Jarzębski and
  • Mirosław Jabłoński

The introduction of the notion of energy change resulting from the ion exchange in apatites leads to the question: how can some simple isomorphic series be described using the mentioned idea? We concentrated on the simple isomorphic series of compoun...

  • Feature Paper
  • Article
  • Open Access
21 Citations
6,745 Views
24 Pages

23 August 2018

We review several generalizations of the concept of fuzzy sets with two- or three-dimensional lattices of truth values and study their relationship. It turns out that, in the two-dimensional case, several of the lattices of truth values considered he...

  • Article
  • Open Access
3 Citations
1,100 Views
12 Pages

Vladimirivanovite Revised: General Crystal Chemistry and Isomorphous Substitutions of Extra-Framework Species

  • Nadezhda B. Bolotina,
  • Nikita V. Chukanov,
  • Anatoly N. Sapozhnikov,
  • Natalia V. Zubkova,
  • Igor V. Pekov,
  • Dmitry A. Varlamov,
  • Marina F. Vigasina,
  • Maria O. Bulakh,
  • Vasiliy O. Yapaskurt and
  • Dmitry A. Ksenofontov

29 August 2024

New data on the crystal structure, chemical composition, and nature of extra-framework components of the orthorhombic sodalite-group mineral vladimirivanovite were obtained using chemical and single-crystal X-ray diffraction data as well as infrared...

  • Article
  • Open Access
6 Citations
2,961 Views
15 Pages

20 December 2021

The purpose of the study is to examine the sustainability of the tax aggressiveness of shared directors from coercive isomorphism and whether social networks of directors have an impact on their tax aggressiveness. Specifically, the study intends to...

  • Article
  • Open Access
5 Citations
4,785 Views
14 Pages

18 August 2021

The purpose of our study is to give an account of the process of institutional isomorphism, which, in France, leads non-profit organisations (NPO) to follow the management and professional model used by organisations in the same field because they ar...

  • Article
  • Open Access
916 Views
20 Pages

26 June 2025

Bilingual Word Embeddings (BWEs) are crucial for multilingual NLP tasks, enabling cross-lingual transfer. While traditional joint training methods require bilingual corpora, their applicability is limited for many language pairs, especially low-resou...

  • Article
  • Open Access
607 Views
21 Pages

Implications of Isomorphism in the Family of Apatite Compounds

  • Agnieszka Lasota,
  • Mieczysław Gorzelak,
  • Emanuela Bis,
  • Przemysław Biliński,
  • Krzysztof Gieburowski,
  • Wojciech Kłapeć,
  • Barbara Tymczyna-Borowicz,
  • Michał Łobacz,
  • Jarosław Pawlicz and
  • Maciej Jarzębski
  • + 4 authors

Apatites are very important compounds of mineralogical and biological meaning. Apatites originated from the calcium hydroxy compound 3Ca3(PO4)2·Ca(OH)2 and potentially might form three series of isomorphic salts, derived from cationic substitu...

  • Article
  • Open Access
12 Citations
3,698 Views
16 Pages

An Improved Graph Isomorphism Network for Accurate Prediction of Drug–Drug Interactions

  • Sile Wang,
  • Xiaorui Su,
  • Bowei Zhao,
  • Pengwei Hu,
  • Tao Bai and
  • Lun Hu

20 September 2023

Drug–drug interaction (DDI) prediction is one of the essential tasks in drug development to ensure public health and patient safety. Drug combinations with potentially severe DDIs have been verified to threaten the safety of patients critically...

  • Article
  • Open Access
10 Citations
2,280 Views
19 Pages

7 October 2022

The Pythagorean fuzzy set is an extension of the intuitionistic fuzzy set used to handle uncertain circumstances in various decisions making problems. Group theory is a mathematical technique for dealing with problems of symmetry. This study deals wi...

  • Article
  • Open Access
3 Citations
3,695 Views
12 Pages

15 October 2019

The problem of determining inverses for maps in commutative diagrams arising in various problems of a new paradigm in algebraic system theory based on a single principle—the general principle of isomorphism is considered. Based on the previousl...

  • Article
  • Open Access
1,734 Views
22 Pages

9 November 2022

Hopf algebras, as a crucial generalization of groups, have a very symmetric structure and have been playing a prominent role in mathematical physics. In this paper, let H be a dual quasi-Hopf algebra which is a more general Hopf algebra structure. A....

  • Article
  • Open Access
1 Citations
2,156 Views
20 Pages

7 October 2024

The pavilion is a time-honored architectural form in the Chinese silhouette with strong regional characteristics. Its appearance and technical means are often adaptively combined according to the characteristics of local architecture. The “kiln...

  • Article
  • Open Access
22 Citations
4,262 Views
20 Pages

11 January 2022

Interventional surgical robots are widely used in neurosurgery to improve surgeons’ working environment and surgical safety. Based on the actual operational needs of surgeons’ feedback during preliminary in vivo experiments, this paper pr...

  • Article
  • Open Access
18 Citations
4,266 Views
14 Pages

24 August 2021

Operational activities of firms accumulate over time and adversely impact the environment, which, in turn, threaten the earth’s ecosystem and sustainable development agendas. Both internal- and external-specific pressures may play a crucial part in a...

  • Article
  • Open Access
581 Views
20 Pages

16 September 2025

[Objective] Currently, there are limitations in the understanding of rural cultural landscape: they are often perceived as material spatial entities, with a lack of exploration of their intangible elements and neglect of the isomorphism between the m...

  • Article
  • Open Access
4 Citations
2,421 Views
11 Pages

18 May 2019

Let R be a Krasner hyperring. In this paper, we prove a factorization theorem in the category of Krasner R-hypermodules with inclusion single-valued R-homomorphisms as its morphisms. Then, we prove various isomorphism theorems for a smaller category,...

  • Article
  • Open Access
1 Citations
665 Views
35 Pages

16 July 2025

In a previous article, an estimation procedure for calculating the liquidus and solidus lines of binary equilibrium phase diagrams was presented. In this article, keeping the thermodynamic basics, the estimation method for the approximate calculation...

  • Article
  • Open Access
10 Citations
5,258 Views
17 Pages

14 April 2018

A novel topology optimization approach is proposed in this paper for the design of three rotational degree-of-freedom (DOF) spatially compliant mechanisms, combining the Jacobian isomorphic mapping matrix with the solid isotropic material with penali...

  • Article
  • Open Access
3 Citations
2,183 Views
18 Pages

9 December 2022

Unmanned aerial vehicles (UAVs) are one of the devices used to collect big data as part of the artificial intelligence of things (AIoT). To reduce total energy consumption, most researchers focus on optimizing the number and the location of UAVs, but...

  • Feature Paper
  • Article
  • Open Access
413 Views
13 Pages

16 July 2025

In this paper, we investigate the generalized Hyers–Ulam stability of bi-homomorphisms, bi-derivations, and bi-isomorphisms in C*-ternary algebras. The study of functional equations with a sufficient number of variables can be helpful in solvin...

  • Article
  • Open Access
8 Citations
2,902 Views
45 Pages

30 March 2021

In this work, a new algorithm is proposed for a unique representation for simple and multiple joint planar kinematic chains (KCs) having any degree of freedom (DOF). This unique representation of KCs enhances the isomorphism detection during the stru...

  • Article
  • Open Access
1 Citations
1,786 Views
22 Pages

16 August 2023

As virtual reality and 3D-modeling technology continue to advance, the amount of digital geometric media data is growing at an explosive rate. For example, 3D meshes, an important type of digital geometric media, can precisely record geometric inform...

  • Article
  • Open Access
2 Citations
2,700 Views
22 Pages

17 November 2021

The dramatic undulations of a mountainous terrain will introduce large geometric distortions in each Synthetic Aperture Radar (SAR) image with different look angles, resulting in a poor registration performance. To this end, this paper proposes a mul...

  • Review
  • Open Access
13 Citations
7,023 Views
14 Pages

7 August 2019

Game spaces in which an organism must repeatedly compete with an opponent for mutually exclusive outcomes are critical methodologies for understanding decision-making under pressure. In the non-transitive game rock, paper, scissors (RPS), the only te...

  • Article
  • Open Access
18 Citations
3,100 Views
25 Pages

Nature and Isomorphism of Extra-Framework Components in Cancrinite- and Sodalite-Related Minerals: New Data

  • Nikita V. Chukanov,
  • Marina F. Vigasina,
  • Roman Yu. Shendrik,
  • Dmitry A. Varlamov,
  • Igor V. Pekov and
  • Natalia V. Zubkova

7 June 2022

New data on the isomorphism of extra-framework components (including chromophores) in two- and multilayer minerals belonging to the cancrinite and sodalite groups, are obtained using chemical and single-crystal X-ray diffraction data as well as infra...

  • Article
  • Open Access
1 Citations
1,453 Views
14 Pages

A Novel Concept of Complex Anti-Fuzzy Isomorphism over Groups

  • Bander Almutairi,
  • Arshad Ali,
  • Qin Xin and
  • Adnan Khan

4 September 2023

In this research article, the fundamental properties of complex anti-fuzzy subgroups as well as the influence of group homomorphisms on their characteristics are investigated. Both the necessary and sufficient conditions for a complex anti-fuzzy subg...

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