Pearcy, C.; Topping, D. Sums of small numbers of idempotents. (English) Zbl 0156.38102 Mich. Math. J. 14, 453-465 (1967). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 85 Documents Keywords:functional analysis × Cite Format Result Cite Review PDF Full Text: DOI