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## Topsis by Using Plithogenic Set in Covid-19 Decision Making

##### Authors Names :   C. Sankar   1 R. Sujatha   2 D. Nagarajan   3

1  Affiliation :  Department of Mathematics, St. Joseph’s College of Engineering, Sholinganallur, Chennai, India

Email :  csankar26@gmail.com

2  Affiliation :  Department of Mathematics, Sri Sivasubramaniya Nadar College of Engineering, SSN-Centre for Radiation, Environmental Science and Radiation(SSN-CREST), Kalavakkam, Chennai, India

Email :  sujathar@ssn.edu.in

3  Affiliation :  Department of Mathematics, Hindustan Institute of Technology and Science, Padur, Chennai, India

Email :  drnagarajan75@gmail.com

Doi   :   https://doi.org/10.54216/IJNS.0100205

Received: May 14, 2020 Accepted: August 30, 2020

Abstract :

COVID-19 is pandemic affecting most of the country globally. It is an infectious disease that is affecting most of the people and it is very difficult to diagnose and treat the diseased patient.  Generally asymptotic patients recover without any treatment. Patients with other illness such as Hypertension, Heart and Lung problems, Diabetic patients require intense care and treatment. In such cases, a team of doctors work together.  The combination of all the experts’ opinions is needed for efficient treatment.  Often, the opinion of doctors depends on their experience and involves some differences.  Further, the expert’s opinion is in linguistic terms.  Plithogenic sets provide a mathematical tool for aggregation of the experts’ opinion expressed in linguistic terms.  Thus, this work aims to employ plithogenic neutrosophic number to rank the diseased patients affected with COVID-19. Hence, we propose an Order Preference Technique by Similarity to Ideal Solutions (TOPSIS) using Plithogenic sets.

Keywords :

Plithogenic sets , COVID-19 , Medical decision making , TOPSIS method.

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