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S. Chugh,R.K. Guha,Joydip Dhar 한국전산응용수학회 2022 Journal of Applied and Pure Mathematics Vol.4 No.1
An innovation diffusion model is proposed model consists of three classes, namely, a non-adopter class, adopter class innovation-I, and adopter class innovation-II in a partially competitive and cooperative market. The proposed model is analyzed with the help of the qualitative theory of a system of ordinary differential equations. Basic influence numbers associated with first and second innovation {R}_{0_1} and {R}_{0_2} respectively in the absence of each other are quantified. Then the overall basic influence number ({R}_{0}) of the system is assessed for analyzing stability in the market in different situations. Sensitivity analysis of basic influence numbers associated with first and second innovation in the absence of each other is carried out. Numerical simulation supports our analytical findings.
CHUGH, S.,GUHA, R.K.,DHAR, JOYDIP The Korean Society for Computational and Applied M 2022 Journal of applied and pure mathematics Vol.4 No.1/2
An innovation diffusion model is proposed model consists of three classes, namely, a non-adopter class, adopter class innovation-I, and adopter class innovation-II in a partially competitive and cooperative market. The proposed model is analyzed with the help of the qualitative theory of a system of ordinary differential equations. Basic influence numbers associated with first and second innovation $R_{0_1}$ and $R_{0_2}$ respectively in the absence of each other are quantified. Then the overall basic influence number (R<sub>0</sub>) of the system is assessed for analyzing stability in the market in different situations. Sensitivity analysis of basic influence numbers associated with first and second innovation in the absence of each other is carried out. Numerical simulation supports our analytical findings.
Role of continuous hypertonic saline in acute ischemic infarcts: a systematic literature review
Arunit J. S. Chugh,Marquis Maynard,Kerrin Sunshine,Berje H. Shammassian,Adam Sauer,Kolade Odetoyinbo,S. Alan Hoffer 대한신경집중치료학회 2021 대한신경집중치료학회지 Vol.14 No.1
Continuous hypertonic saline for hemispheric ischemic infarcts has been routinely used in neurocritical centers for the management of malignant cerebral edema. However, the data supporting its use are extremely limited. We present a systematic literature review that highlights five studies (one randomized control trial and four retrospective cohort) where the effects of continuous hypertonic saline were studied in patients with acute ischemic infarcts. Collectively, there is a lack of substantial evidence supporting its use. Also, this review emphasizes significant study flaws that make the conclusions largely nongeneralizable. Although the reported studies demonstrate improvement in control of intracranial pressure, there are no significant differences in neurological or functional outcomes or overall mortality.