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A good cover is an open cover in which all sets and all non-empty intersections of finitely-many sets are contractible (Petersen 2006). The concept was introduced by André Weil in 1952 for differentiable manifolds , demanding the U α 1 … α n {\displaystyle U_{\alpha _{1}\ldots \alpha _{n}}} to be differentiably contractible.
The social identity approach suggests a more general approach to group decision-making than the popular groupthink model, which is a narrow look at situations where group and other decision-making is flawed.
Good to Great: Why Some Companies Make the Leap... and Others Don't is a management book by Jim C. Collins that describes how companies transition from being good companies to great companies, and how most companies fail to make the transition.
The cover drive in cricket is the act of stroking the ball through the covers with well-timed wristwork and conventional movement of the front foot toward the pitch of a delivery aimed at or outside the off stump. [1] The cover drive is considered one of the most graceful shots playable in the sport. [2]
Di Bawah Lindungan Ka'bah (Under the Protection of Ka'bah) is the 1938 debut novel of the Indonesian author Haji Abdul Malik Karim Amrullah (1908–1981). Written while the author worked in Medan as the editor of an Islamic weekly magazine, the novel follows the doomed romance of a young Minang couple from different social backgrounds.