"ACTA MATH APPL SIN" stands for Acta Mathematica Applicata Sinica, which is a prestigious journal focused on the field of applied mathematics. Synonyms for this term could be "Acta Math. Appl. Sin". or simply "AMAS". These abbreviations are commonly used to refer to the journal in a more concise manner. Another synonym could be "Math. Appl. Sinica", which maintains the essence of the journal's title while condensing it further. These alternative names are commonly employed in scientific literature, discussions, and citations to streamline communication and facilitate easy referencing.