ポール・ハルモス (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "ポール・ハルモス" in Japanese language version.

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ams.org

Kac, Mark (1943). “Review: Finite-dimensional vector spaces, by P. R. Halmos”. Bull. Amer. Math. Soc. 49 (5): 349–350. doi:10.1090/s0002-9904-1943-07899-8.
Oxtoby, J. C. (1953). “Review: Measure theory, by P. R. Halmos”. Bull. Amer. Math. Soc. 59 (1): 89–91. doi:10.1090/s0002-9904-1953-09662-8.
Lorch, E. R. (1952). “Review: Introduction to Hilbert space and the theory of spectral multiplicity, by P. R. Halmos”. Bull. Amer. Math. Soc. 58 (3): 412–415. doi:10.1090/s0002-9904-1952-09595-1.
Dowker, Yael N. (1959). “Review: Lectures on ergodic theory, by P. R. Halmos”. Bull. Amer. Math. Soc. 65 (4): 253–254. doi:10.1090/s0002-9904-1959-10331-1.
Zaanen, Adriaan (1979). “Review: Bounded integral operators on L² spaces, by P. R. Halmos and V. S. Sunder”. Bull. Amer. Math. Soc. (N.S.) 1 (6): 953–960. doi:10.1090/s0273-0979-1979-14699-8.

Halmos 1985, p. 69.
Halmos 1985, p. 403.
"The symbol is definitely not my invention — it appeared in popular magazines (not mathematical ones) before I adopted it, but, once again, I seem to have introduced it into mathematics. It is the symbol that sometimes looks like ▯, and is used to indicate an end, usually the end of a proof. It is most frequently called the 'tombstone', but at least one generous author referred to it as the 'halmos'.", Halmos 1985, p. 403.

ハルモスの論文は “How to write mathematics”. L'Enseignement Mathématique 16: 123–152. (1970). doi:10.5169/seals-43857. の再録である。邦訳：スティーンロッドほか著、一松信訳『数学の書き方』共立出版〈数学ワンポイント双書19〉、1978年。NDLJP:12608195。