Optimizing Sunspot Forecasts: An In-Depth Analysis of the ConcaveLSTM Model. International Journal of Informatics Engineering and Computing, [S. l.], v. 2, n. 1, p. 1–11, 2025. DOI: 10.70687/ijimatic.v2i1.103. Disponível em: https://www.journals.asteec.com/index.php/ijimatic/article/view/103.. Acesso em: 26 jul. 2026.