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Virtual Machine Placement in Cloud Computing: Challenges, Research Gaps, and Future

Cloud computing provides various types of services to users. The goal of virtual machine placement (VMP) is to map the best physical machine to a virtual machine. With the help of Virtual Machine Placement, we can reduce cost, maximize resource utilization, reduced energy consumption of data centers in cloud environments. The focus of Virtual Machine Placement is to saving of power, quality of service. In this paper, we have reviewed various placements techniques used in cloud computing. At last, we have also studied various challenges for virtual machine placement in cloud computing. The main motive of various types of Virtual Machine Placement algorithms have to reduced energy consumption and minimize cost by maximizing utilization of various resources in the cloud platform. For further study, the researcher should focus on these challenges for the best virtual machine placement in a cloud environment. In this paper, we critically examine the techniques, challenges, and research gaps in virtual placements in cotext with Cloud Computing. Cloud computing, placement of virtual machines becomes major problems. For finding the solution to the problem we can use the various virtual machine placement algorithms. The main motive is to reduce consumption of energy, maximum resource utilization, minimizing cost factors used for virtual to the physical machine mapping in the cloud environment. For selecting the best algorithm various optimization methods are used. With these different optimization methods, we can analyze different algorithms. There is a great scope of improvement in existing systems of virtual placements to make them more energy-efficient, more reliable, and fault-tolerant. Redundancy in cloud downloading can be made more intelligent and minimized for duplicate data while downloading and uploading. 

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Puneet Kaushal mail -
Subash Chander mail -
Vijay Kumar Sinha mail
link https://doi.org/10.54216/IJWAC.030202

Volume & Issue

Vol. Volume 3 / Iss. Issue 2

Details open_in_new

Nψ#0 α and Nψ#1 α-spaces in Neutrosophic Topological Spaces

In this paper, we have introduced the concept of nk#Nα (n1 ) by using CLN α({n1}) where n1∈ N via Nα-open sets. Also we have introduced the spaces called Nψα# 0-space and Nψα# 1-space.

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P. Basker mail -
broumi said mail
link https://doi.org/10.54216/IJNS.160101

Volume & Issue

Vol. Volume 16 / Iss. Issue 1

Details open_in_new

Direct Product of Neutrosophic h-ideal in INK-Algebra

In this paper, “we first define the belief of direct product from neutrosophic sets in INK algebras, neutrosophic set, neutrosophic h-ideals, neutrosophic INK-subalgebra and direct product of neutrosophic h-ideals in INK algebras. Let's prove some theorems that show that there is some connection between these principles. Finally, we define the INK subalgebra of the INK algebra and then offer the ideal theorem approximately the connection between its pix and the direct product from the neutrosophic h-ideals.

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Kaviyarasu M. mail -
Rajeshwari M. mail
link https://doi.org/10.54216/IJNS.200110

Volume & Issue

Vol. Volume 20 / Iss. Issue 1

Details open_in_new

Neutrosophic MCDM Approach for Performance Evaluation and Recommendation of Best Players in Sports League

In this era of the commercialization of sports, various sports leagues are organized across the globe. At the end of the Series, players are awarded for their performances. These awards are decided by human experts or are based on just one performance indicator. However, human decisions are subjective and error-prone, and decisions based on just one criterion are incomplete and inconsistent. This paper identifies the decision-making problem in sports. It proposes a Neutrosophic TOPSIS approach for performance evaluation and recommendation of the best batsman and bowler of the Series. The approach is well-structured, robust, and efficient in handling vagueness, inconsistency, indeterminacy, and imprecision in real-life problems. We present a case study using the data of IPL 2021. In the case study, we calculate the ranks of the players using neutrosophic TOPSIS with two objective weight calculation methods. Then we evaluate and compare the obtained rank lists using Kendal Tau (). The values of  for bowling-ranked lists is 0.83 and for batting-ranked lists is 0.72, which are impressive and prove the efficiency and effectiveness of the proposed approach. We believe that the proposed approach can be applied to identify and recommend the best resources in other domains of life.

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Khalid Anwar mail -
Aasim Zafar mail -
Arshad Iqbal mail
link https://doi.org/10.54216/IJNS.200111

Volume & Issue

Vol. Volume 20 / Iss. Issue 1

Details open_in_new

Separation Axioms on Bipolar Hypersoft Topological Spaces

According to its definition, a topological space could be a highly unexpected object. There are spaces (indiscreet space) which have only two open sets: the empty set and the entire space. In a discrete space, on the other hand, each set is open. These two artificial extremes are very rarely seen in actual practice. Most spaces in geometry and analysis fall somewhere between these two types of spaces. Accordingly, the separation axioms allow us to say with confidence whether a topological space contains a sufficient number of open sets to meet our needs. To this end, we use bipolar hypersoft (BHS) sets (one of the efficient tools to deal with ambiguity and vagueness) to define a new kind of separation axioms called BHS Ti-space (i = 0, 1, 2, 3, 4). We show that ee BHS Ti-space (i = 1,2) implies BHS Ti−1-space; however, the converse is false, as shown by an example. e For i = 0, 1, 2, 3, 4, we prove that BHS Ti -space is hypersoft (HS) Ti -space and we present a condition so that eee HS Ti-space is BHS Ti-space. Moreover, we study that a BHS subspace of a BHS Ti-space is a BHS Ti-space for i = 0,1,2,3.

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Sagvan Y. Musa mail -
Baravan A. Asaad mail
link https://doi.org/10.54216/IJNS.200112

Volume & Issue

Vol. Volume 20 / Iss. Issue 1

Details open_in_new

A few remark on negative mass, origin of masses, and entanglement

         Regarding origin of masses, first we shall realize that Boltzmann's "constant" fails over large spans of time and over large distances. (Boltzmann publicly apologized for the errors intrinsic in   his constant but could not find any way to repair the value of the constant so as to be in exact agreement with what actually happens in the real world, in real time.) Given the fact that Boltzmann's constant is wrong, all of thermodynamics is equally wrong, except for Prof. Kiehn's Pfaff Dimension 4 discovery in topological thermodynamics, which proves that mass and/or           energy can be created and/or destroyed in any volume which contains a Pfaff Dimension 4 sub-    volume.

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Robert N. Boyd mail
link https://doi.org/10.54216/JCFA.020101

Volume & Issue

Vol. Volume 2 / Iss. Issue 1

Details open_in_new

Extended experiment on potable water irradiated with low-intensity laser pen and Solfeggio scale frequencies

In previous article, we reported initial findings based on small experiment on potential use of       salt-water as cheap source of renewable battery with various kind of metals as anode and cathode. The purpose of these experiments is to find out which combination of anode and cathode is   capable to generate the best performance in terms of electric voltage. Following those previous reports, this writer also conducted several tests to see effect of low-intensity laser irradiation on potable water. While the first series of our experiment clearly indicated possible laser cooling effect of low intensity laser irradiation of potable water and salt water, the following extended experiment on low intensity laser irradiation shows a rather mixed result. In a series of initial experiment, laser irradiation with laser pen gave lower electric potential (down to several minus milli Volt to the Voltmeter reading), but later on after more than 180 sec of irradiation, it shows            increased positive milli Volt of electric potential of the system. In this experiment, we found that combination of low-intensity laser irradiation and  Solfeggio scale frequencies applied to potable water shows dim result.

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Victor Christianto mail
link https://doi.org/10.54216/JCFA.020102

Volume & Issue

Vol. Volume 2 / Iss. Issue 1

Details open_in_new

A frugal experiment on potential cooling effect of potable water irradiated with laser pen

In previous article, we reported initial findings based on small experiment on potential use of salt- water as cheap source of renewable battery with various kind of metals as anode and cathode. The purpose of these experiments is to find out which combination of anode and cathode is capable to generate the best performance in terms of electric voltage. Following that previous             reports, we tried to conduct further simple experiments on possible effect of low intensity laser irradiation on potable water’s electrical features. Nonetheless, this report is slightly disappointing, because as an effect, there is no increase of water electrical feature, instead it may support initial reports by others such as Cohen Tannoudji, Alain Aspect et al, on laser cooling effect to molecules [3][4].

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Victor Christianto mail
link https://doi.org/10.54216/JCFA.020103

Volume & Issue

Vol. Volume 2 / Iss. Issue 1

Details open_in_new

Towards a pathway to realistic tunneling experiment in quantum (liquid) crystalline Cosmology

Following our previous frugal experiments of low-intensity laser irradiation on potable water, allow us to present a few considerations why this writer thinks that these are a pathway towards   realistic tunneling experiment especially in the context of quantum (liquid) crystalline Cosmology. First of all, allow us to recall our preceding articles in CTPNP 2019, and also in Octogon Magazine 2022 regarding exact correspondence between Maxwell equations of classical electrodynamics and Dirac equations. What is more interesting is that it can be shown  that fine structure of hydrogen spectrum can be described alternatively by classical    electromagnetic considerations, therefore it supports our previous conclusion of such correspondence between electromagnetic equations and Dirac equation of quantum mechanics. Secondly, a series of extended experiments on laser irradiated cold water may suggest possible    transition from liquid phase of water to be at least partially fourth phase of water, which may be composed of crystalline water (see e.g. Gerald Pollack, and also Harold Aspden on liquid crystalline). If we can imagine laser cooling effect can be done in protracted time, then we can achieve a physical representation of Aspden‘s liquid crystalline, or in a more mathematical term, Wigner crystal. In that sense, the fourth phase of water can be considered as a quantum system which can undergo quantum tunneling. In that sense, quantum tunneling of 1D Wigner crystal  has been already considered. Last but not least, we also consider testimony by certain Admiral that he saw Unidentified Submerged Objects instead of more common term UFO. This makes more sense especially in light of observations of underwater/submerged built structures or  pyramids which are thousands years old. All of these seem to suggest a possibility that USO saucers may prefer to keep being  in cold underwater or Arctic region because it is much easier for them to go tunneling to extra galactic or other far distance travelling, cf for instance [14].   Nonetheless, we understood that this is merely hypothetical. 

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Victor Christianto mail -
Daniel Chandra mail
link https://doi.org/10.54216/JCFA.020104

Volume & Issue

Vol. Volume 2 / Iss. Issue 1

Details open_in_new

Remark on ‘The future of mathematical Cosmology” and “100 years of mathematical cosmology: Models, theories and problems, Part B” by S. Cotsakis and A.P. Yefremov

In this review article, allow us to offer a few remark on “the future of mathematical cosmology”  “100 years of mathematical cosmology: Models, theories and problems, Part B” by Cotsakis and Yefremov, which seems to us very interesting piece of review on progress on the last 3 or 4            decades in theoretical cosmology development. In particular, we would emphasize on testability of cosmology models, which seem to us this criterion can only be achieved via correspondence between condensed matter/superfluidity/low temperature physics and cosmology (cf. for instance, Kibble & Pickett, 2008).

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Victor Christianto mail -
Yunita Umniyati mail
link https://doi.org/10.54216/JCFA.020105

Volume & Issue

Vol. Volume 2 / Iss. Issue 1

Details open_in_new