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In geometry, an intersection is a point, line, or curve common to two or more objects (such as lines, curves, planes, and surfaces). The simplest case in Euclidean geometry is the line–line intersection between two distinct lines, which either is one point (sometimes called a vertex) or does not exist (if the lines are parallel). Other types ...
Multiple jeopardy and intersectionality are two related but distinct frameworks that are often confused. While intersectionality, coined by Dr. Kimberlé Crenshaw, describes how different identity factors such as race, gender, and class intersect to create unique forms of discrimination, [5] multiple jeopardy — introduced by Dr. Deborah K. King — focuses specifically on the multiplicative ...
Let X be a Riemann surface.Then the intersection number of two closed curves on X has a simple definition in terms of an integral. For every closed curve c on X (i.e., smooth function :), we can associate a differential form of compact support, the Poincaré dual of c, with the property that integrals along c can be calculated by integrals over X:
Until 2011, Quizlet shared staff and financial resources with the Collectors Weekly website. [11] In 2011, Quizlet added the ability to listen to content using text-to-speech. [12] In August 2012, it released an app for the iPhone and iPad and shortly afterward one for Android devices. [11]
Intersectionality opposes analytical systems that treat each axis of oppression in isolation. In this framework, for instance, discrimination against black women cannot be explained as a simple combination of misogyny and racism, but as something more complicated. [7] Intersectionality has heavily influenced modern feminism and gender studies. [8]
Two intersecting lines. In Euclidean geometry, the intersection of a line and a line can be the empty set, a point, or another line.Distinguishing these cases and finding the intersection have uses, for example, in computer graphics, motion planning, and collision detection.
In algebraic geometry, the identity component of an algebraic group G over a field k is the identity component of the underlying topological space. The identity component of a group scheme G over a base scheme S is, roughly speaking, the group scheme G 0 whose fiber over the point s of S is the connected component G s 0 of the fiber G s, an ...
In mathematics, the simplest form of the parallelogram law (also called the parallelogram identity) belongs to elementary geometry. It states that the sum of the squares of the lengths of the four sides of a parallelogram equals the sum of the squares of the lengths of the two diagonals. We use these notations for the sides: AB, BC, CD, DA.