: ` ` `

- F, - . . . . F , - , F 0,

(, , ) = (2, , ) = 0,

(, , z) = (xy)z - x(yz). F - , . . . , , (. [3]). . . . A , 2, ≠ 0, :

(*)

λ () = { ∈ |ea = λ a), = 0, ½, 1. 0 () 1 () - , A0 (e)A1 (e) = 0, A½ (e)A½ (e) ⊆ 0 () + 1 (), Aλ (e)A½ (e) ⊆ A½ (e) + A1 - λ (e) λ = 0; 1. (*) . . .

. : [1] Albert A. A., Trans. Amer. Math. Soc. , 1948, v. 64, 3, p. 552-93; [2] . ., . , 1957, . 12, 3 (75), . 141-46; [3] , 1970, . 9, 1, . 9-33.

. . .


:

  1. . . 1 ( - ). . : . . ( ) [ .] - ., , 1977, 1152 . .











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