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On characterizing potential friends of 20

Tapas Chatterjee

Tapas Chatterjee

Department of Mathematics, Indian Institute of Technology RoparPunjab, India
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Chatterjee, Tapas
, 
Sagar Mandal

Sagar Mandal

Department of Mathematics and Statistics, Indian Institute of Technology Kanpur KalyanpurIndia
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Mandal, Sagar
 and 
Sourav Mandal

Sourav Mandal

Department of Mathematics, Ramakrishna Mission Vivekananda Educational and Research Institute HowrahIndia
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Mandal, Sourav
  
Sep 12, 2025
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Published Online: Sep 12, 2025
Page range: 205 - 229
Received: Jun 26, 2025
Accepted: Sep 05, 2025
DOI: https://doi.org/10.2478/awutm-2025-0013
Keywords
© 2025 Tapas Chatterjee et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Language:
English
Publication timeframe:
Volume Open
Journal Subjects:
Mathematics, General Mathematics
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