What is Skew and direct sums of permutations?

Direct electric action is one of various systems used in pipe organs to control the flow of air into the organ's pipes when the corresponding keys or pedals are depressed....

Foreign direct investments in Kosovo play an important role in the region's economy. However, this type of investment has historically been limited. Foreign sovereign investors in Kosovo primarily include regional...

Direct text marketing is a form of SMS marketing. This includes using a medium which involves text messaging over a mobile device and can be done from a mobile phone...

In mathematics and statistics, sums of powers occur in a number of contexts:

In mathematics, a direct limit of groups is the direct limit of a direct system of groups. These are central objects of study in algebraic topology, especially stable homotopy theory...

In mathematics, in the field of sheaf theory and especially in algebraic geometry, the direct image functor generalizes the notion of a global section functor to the relative case. Given...

In mathematics, in the theory of sheaves the direct image with compact support is an image functor for sheaves. It is one of Grothendieck's six operations.

In geometry, a regular skew apeirohedron is an infinite regular skew polyhedron, with either skew regular faces or skew regular vertex figures.

In the area of mathematics known as numerical ordinary differential equations, the direct multiple shooting method is a numerical method for the solution of boundary value problems. The method divides...

Direct digital marketing is a marketing method that uses such things as a consumer's email to send advertisements and other forms of communications to a target audience. Direct marketing campaigns...