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On ?-(?,?)-Lie ideals of ?-prime rings with derivation
(2018)
Let R be a ??prime ring with characteristic not 2, U be a nonzero ??(?,?)?Lie ideal of R and d be a nonzero derivation of R. Suppose ?,? be two automorphisms of R such that ?d = d?,?d = d? and ? commutes with ?,?,d. In the ...
LIPOLYTIC ACTIVITY OF LACTIC ACID BACTERIA ISOLATED FROM TURKISH PASTIRMA
(2018)
Lipases are widely distributed in nature and catalyze the hydrolysis of mono, di and tri acyl glycerols to liberate free fatty acids and glycerol. Various microorganisms produce lipases either alone or together with esterase. ...
Lie Ideals of Semiprime Rings with Generalized Derivations
(2018)
Let R be a 2-torsion free semiprime ring, U a noncentral square-closed Lie ideal of R. A map F:R?R is called a generalized derivations if there exists a derivation d:R?R such that F(xy) = F(x)y + xd(y) for all x,y?R. In ...
Economic Freedom Index Calculation Using FCM
(2018)
The Index of Economic Freedom is an annual index and ranking created by The Heritage Foundation and The Wall Street Journal in 1995 to measure the degree of economic freedom in the world's nations. There are many kinds of ...