## Mathematics Subject Classification – MSC2020

History of sequences, series, summability [Consider also classification numbers from Section 01-XX]
157

Approximation to limiting values (summation of series, etc.) {For the Euler-Maclaurin summation formula, see 65B15}
820

Multiple sequences and series [Should also be assigned at least one other classification number in this section]
873

Absolute and strong summability [Should also be assigned at least one other classification number in Section 40-XX]
1268

Absolute and strong summability [Should also be assigned at least one other classification number in Section 40-XX]
1264