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HARIDRA ◽  
2021 ◽  
Vol 2 (07) ◽  
pp. 37-42
Author(s):  
Diptimayee Panda ◽  
N Kumar Swamy ◽  
Barada Prasad Bhol

The most shocking situation which is the cause of sorrow for the whole universe is Covid-19. This virus was first detected in Wuhan City, China. This pandemic has shown its ramification on us in different ways and in different ways in this world. We are recently facing the second wave of Covid-19. Till the date there is no full proof medicine for corona virus (SARS-CoV-2), but scientists around the world have succeeded in developing some vaccines which would help to protect us against the deadly virus (SAR-CoV-2). It is very much important for us to improve our physical as well as mental conditions, the best way to do so is by doing physical exercises, yoga , maintain proper diet, drinking plenty of water and maintain distance from others. Covid-19 mostly affects our lungs. People experience physical problems like breathing problem , chest pain, cold, fever etc. due to covid , and those people having serious symptoms are more prone to death. Yoga is one of the best way for improving the immunity as prescribed by several doctors, scientists, virologists and even by the scientists of WHO. Many Researches have been conducted and it shows yoga improves immunity, improves respiratory competence, mental power and increases body’s strength which is very much essential to fight against covid virus. In this study focus has been given on the importance of yoga in fighting against covid.


Author(s):  
C. Krattenthaler

AbstractWe present a formula that expresses the Hankel determinants of a linear combination of length $$d+1$$ d + 1 of moments of orthogonal polynomials in terms of a $$d\times d$$ d × d determinant of the orthogonal polynomials. This formula exists somehow hidden in the folklore of the theory of orthogonal polynomials but deserves to be better known, and be presented correctly and with full proof. We present four fundamentally different proofs, one that uses classical formulae from the theory of orthogonal polynomials, one that uses a vanishing argument and is due to Elouafi (J Math Anal Appl 431:1253–1274, 2015) (but given in an incomplete form there), one that is inspired by random matrix theory and is due to Brézin and Hikami (Commun Math Phys 214:111–135, 2000), and one that uses (Dodgson) condensation. We give two applications of the formula. In the first application, we explain how to compute such Hankel determinants in a singular case. The second application concerns the linear recurrence of such Hankel determinants for a certain class of moments that covers numerous classical combinatorial sequences, including Catalan numbers, Motzkin numbers, central binomial coefficients, central trinomial coefficients, central Delannoy numbers, Schröder numbers, Riordan numbers, and Fine numbers.


2021 ◽  
Author(s):  
◽  
Michael Welsh

<p>Maximum-sized results are an important part of matroid theory, and results currently exist for various classes of matroids. Archer conjectured that the maximum-sized golden-mean matroids fall into three distinct classes, as op- posed to the one class of all current results. We will prove a partial result that we hope will lead to a full proof. In the second part of this thesis, we look at secret sharing matroids, with a particular emphasis on the class of group-induced p-representable matroids, as introduced by Matúš. We give new proofs for results of Matúš', relating to M(K₄), F₇ and F⁻₇. We show that the techniques used do not extend in some natural ways, and pose some unanswered questions relating to the structure of secret sharing matroids.</p>


2021 ◽  
Author(s):  
◽  
Michael Welsh

<p>Maximum-sized results are an important part of matroid theory, and results currently exist for various classes of matroids. Archer conjectured that the maximum-sized golden-mean matroids fall into three distinct classes, as op- posed to the one class of all current results. We will prove a partial result that we hope will lead to a full proof. In the second part of this thesis, we look at secret sharing matroids, with a particular emphasis on the class of group-induced p-representable matroids, as introduced by Matúš. We give new proofs for results of Matúš', relating to M(K₄), F₇ and F⁻₇. We show that the techniques used do not extend in some natural ways, and pose some unanswered questions relating to the structure of secret sharing matroids.</p>


2021 ◽  
Vol 1 (2) ◽  
pp. 63-68
Author(s):  
Princewill I. Egwuasi ◽  
◽  
Emem E. Umoren ◽  
Husseina K. Wakili ◽  
Rebecca J. Akpabio ◽  
...  

The constant outcry of misuse and mismanagement of funds in governmental organisations have given concern to several researches, debates and blame games. Our focus in this qualitative study is to interpretively examine the extent of internal security and management measures that are explorable in curtailing the inability to recover dues and third party loans in an IPPIS challenge-prone era among unions and cooperative societies in tertiary institutions in Nigeria, the University of Uyo, Uyo being our focus point. The study is an interpretive research that employed semi-structured interviews for the chairpersons of ASUU, SSANU, NASU and NAAT and the presidents of cooperative societies run by the unions in a federal university such as ours. These chairpersons and presidents were purposively selected for the study. Three research questions were raised to guide the study: What internal security measures are put in place by the unions to ensure recovery of dues and third party loans from debtors? How do the cooperative societies manage their funds and recover dues and third party loans during the IPPIS era? What relationship exists between the unions, cooperative societies and IPPIS office for dues and third party loans recovery? The findings of the study showed that there is no full proof of internal security measures put in place to recover dues and third party loans; that committees are set up in the cooperative societies to manage their funds through several management strategies; there is no clear relationship between the Unions, cooperative societies and IPPIS Office to aid in the recovery of dues and third party loans in the university. The study recommended among others that the IPPIS should be transparent enough to abide by the laws of its establishment in order not to under mind its primary functions of deduction and remittance of dues and third party loans to beneficiaries.


Author(s):  
Princewill I. Egwuasi ◽  
◽  
Emem E. Umoren ◽  
Husseina K. Wakili ◽  
Rebecca J. Akpabio ◽  
...  

The constant outcry of misuse and mismanagement of funds in governmental organisations have given concern to several researches, debates and blame games. Our focus in this qualitative study is to interpretively examine the extent of internal security and management measures that are explorable in curtailing the inability to recover dues and third party loans in an IPPIS challenge-prone era among unions and cooperative societies in tertiary institutions in Nigeria, the University of Uyo, Uyo being our focus point. The study is an interpretive research that employed semi-structured interviews for the chairpersons of ASUU, SSANU, NASU and NAAT and the presidents of cooperative societies run by the unions in a federal university such as ours. These chairpersons and presidents were purposively selected for the study. Three research questions were raised to guide the study: What internal security measures are put in place by the unions to ensure recovery of dues and third party loans from debtors? How do the cooperative societies manage their funds and recover dues and third party loans during the IPPIS era? What relationship exists between the unions, cooperative societies and IPPIS office for dues and third party loans recovery? The findings of the study showed that there is no full proof of internal security measures put in place to recover dues and third party loans; that committees are set up in the cooperative societies to manage their funds through several management strategies; there is no clear relationship between the Unions, cooperative societies and IPPIS Office to aid in the recovery of dues and third party loans in the university. The study recommended among others that the IPPIS should be transparent enough to abide by the laws of its establishment in order not to under mind its primary functions of deduction and remittance of dues and third party loans to beneficiaries.


2021 ◽  
Author(s):  
Quan-Fang Wang

Quantum control of neutrons in nuclear reaction in considered in this work. Neutrons fission from uranium <sup>235</sup>U of chain reaction is interested to be controlled as target theoretically. Control theory is applied to interacted many-body neutrons collision in the framework of variational method. Full proof is provided for quantum optimal control of scattered poly-neutrons.


2021 ◽  
Author(s):  
Quan-Fang Wang

Quantum control of neutrons in nuclear reaction in considered in this work. Neutrons fission from uranium <sup>235</sup>U of chain reaction is interested to be controlled as target theoretically. Control theory is applied to interacted many-body neutrons collision in the framework of variational method. Full proof is provided for quantum optimal control of scattered poly-neutrons.


Ensemble ◽  
2021 ◽  
Vol SP-1 (1) ◽  
pp. 146-148
Author(s):  
KOEL MUKHERJEE ◽  
◽  
Apoorva Sahu ◽  

COVID-19, is a global pandemic started in November 2019, extending beyond its biological scale to infect lives globally by inserting their genomic material inside the host cells. This global threat has till now claimed numerous lives with no possible full proof cure till date. There is no unanimity amongst the countries in the design and development of specific vaccines to cure COVID-19 and its distribution among the global population. India Government acquired “cold chain management” for safe and even distribution of present vaccines (Covaxin, Covisheild). Here, authors intend to put some light on the brief introduction, stages and perspective of cold chain logistics of vaccine distribution in India with 150crores of population.


2021 ◽  
Vol 8 (1) ◽  
pp. 1-14
Author(s):  
Norman Gwangwava

Supply chain traceability is gaining momentum as a means to gain visibility across the supply chain. In order to curb poaching in wildlife sector and harvesting of resources such as ivory, there is need to introduce full proof technologies. This article proposes use of blockchain in tracing the supply chain of ivory and other wildlife products, from source to destination. The article is based on literature review on wildlife practices. Ivory trade participants were identified and mapped into a blockchain model using blockchain modeling techniques. The proposed blockchain approach allows transaction recording as blocks and visibility to relevant participants.


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