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Creativity research has suggested that creative people are low in agreeableness. To explore this issue, we applied the HEXACO model of personality structure, which offers an expanded representation of interpersonal traits, particularly a distinction between Honesty–Humility and Agreeableness. A sample of 1304 adults completed the HEXACO-60 and several measures of creative achievement and activi...

The prevalence of circulating macromolecular creatine kinase type 1 (macro CK type 1 or CK-immunoglobulin complexes) is significantly higher in a patient population selected for CK isoenzyme assay than in age- and sex-matched blood donors (n = 1304). In greater than 8000 patients studied, 49 individuals with macro CK type 1 were identified, yielding an overall prevalence of 0.61%. Macro CK type...

Let P and Q be two complex matrices satisfying P 2 = P and Q = Q. If a, b are nonzero complex numbers such that aP + bQ is diagonalizable, we relation the spectrum of aP + bQ with the spectrum of P −Q, PQ, PQP and PQ−QP .

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