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 Author:
 Yadav, Akhilesh Chandra
 Source:
 National Academy science letters 2019 v.42 no.3 pp. 245247
 ISSN:
 0250541X
 Subject:
 data analysis; equations; mathematics; statistics
 Abstract:
 ... Attempts have been made to introduce notion of class assigned functions k for a given group G and observed that it determines a right gyrogroup [Formula: see text]. It is also observes that [Formula: see text] will be a group if and only if G is a nilpotent group of class 2 and will be a gyrogroup for a nilpotent group of class 3, where [Formula: see text] for all [Formula: see text]. ...
 DOI:
 10.1007/s4000901807213

https://dx.doi.org/10.1007/s4000901807213
 Author:
 Kakkar, Vipul
 Source:
 National Academy science letters 2019 v.42 no.3 pp. 295
 ISSN:
 0250541X
 Subject:
 data analysis; equations; mathematics; topology
 Abstract:
 ... Being motivated by Suvorov and Kryuchkov (Sib Mat Zh 17(2):471–473, 1976) and Suvorov (Sib Mat Zh 32(5):193, 1991), an example of a right loop admitting only discrete topologization is presented in this paper. ...
 DOI:
 10.1007/s40009019008211

https://dx.doi.org/10.1007/s40009019008211
 Author:
 Sasikala, T.; Arunchandar, R.; Bhagyaveni, M. A.; Shanmuga Priya, M.
 Source:
 National Academy science letters 2019 v.42 no.3 pp. 221226
 ISSN:
 0250541X
 Subject:
 communications technology; computer simulation; computer software; equations
 Abstract:
 ... A dualband microstrip rectangular patch antenna for WLAN in vehicular communication applications is proposed. The aim of this research is to achieve smaller size, better bandwidth and good radiation capability. The designed antenna has a frequency bandwidth of 184 MHZ with the upper cutoff frequency of 2.4953 GHz and the lower cutoff frequency of 2.3113 GHz which are the operating frequencies f ...
 DOI:
 10.1007/s4000901807311

https://dx.doi.org/10.1007/s4000901807311
 Author:
 Naduvath, Sudev; Chandoor, Susanth; Kalayathankal, Sunny Joseph; Kok, Johan
 Source:
 National Academy science letters 2019 v.42 no.3 pp. 249252
 ISSN:
 0250541X
 Subject:
 color; data analysis; equations; graphs; mathematics
 Abstract:
 ... A rainbow neighbourhood of a graph G is the closed neighbourhood N[v] of a vertex [Formula: see text] which contains at least one coloured vertex of each colour in the chromatic colouring [Formula: see text] of G. Let G be a graph with a chromatic colouring [Formula: see text] defined on it. The number of vertices in G yielding rainbow neighbourhoods is called the rainbow neighbourhood number of t ...
 DOI:
 10.1007/s4000901807400

https://dx.doi.org/10.1007/s4000901807400