On Non-Factorable Transformations of Double Sequences
نویسندگان
چکیده
منابع مشابه
Mathema Tics: C. R. Adams on Non-factorable Transformations of Double Sequences'
defined by a four-dimensional "triangular" matrix jamnkjjj (m, n, k, I = 1, 2, 3, ...; amnkl = O for k > m or I > n or both) of real or complex numbers. We showed (Theorem 2 of I) that if (A) is regular for bounded sequences, it is in general regular also for a large class of unbounded sequences. Special interest attaches to the type of transformation (A) for which we have amnklz = amk anl (m, ...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1933
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.19.5.564