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2. Gelfand pair - Wikipedia

   en.wikipedia.org/wiki/Gelfand_pair

   The Gelfand property is often satisfied by symmetric pairs. A pair (G,K) is called a symmetric pair if there exists an involutive automorphism θ of G such that K is a union of connected components of the group of θ-invariant elements: G θ. If G is a connected reductive group over R and K = G θ is a compact subgroup, then (G,K) is a Gelfand ...

3. Factorization - Wikipedia

   en.wikipedia.org/wiki/Factorization

   In mathematics, factorization (or factorisation, see English spelling differences) or factoring consists of writing a number or another mathematical object as a product of several factors, usually smaller or simpler objects of the same kind. For example, 3 × 5 is an integer factorization of 15, and (x – 2)(x + 2) is a polynomial ...

4. Determinant - Wikipedia

   en.wikipedia.org/wiki/Determinant

   The absolute value of ad − bc is the area of the parallelogram, and thus represents the scale factor by which areas are transformed by A. (The parallelogram formed by the columns of A is in general a different parallelogram, but since the determinant is symmetric with respect to rows and columns, the area will be the same.)

5. Geometry Dash - Wikipedia

   en.wikipedia.org/wiki/Geometry_Dash

   Geometry Dash is a side-scrolling music platforming game series developed by Robert Topala. It was released on 13 August 2013 for iOS and Android , with versions for Windows and macOS following on 22 December 2014.

6. Molecular geometry - Wikipedia

   en.wikipedia.org/wiki/Molecular_geometry

   Here, there are only three pairs of bonded electrons, leaving one unshared lone pair. Lone pair – bond pair repulsions change the bond angle from the tetrahedral angle to a slightly lower value. [9] For example, ammonia (NH 3).

7. Greatest common divisor - Wikipedia

   en.wikipedia.org/wiki/Greatest_common_divisor

   Greatest common divisors can be computed by determining the prime factorizations of the two numbers and comparing factors. For example, to compute gcd(48, 180), we find the prime factorizations 48 = 2 4 · 3 1 and 180 = 2 2 · 3 2 · 5 1; the GCD is then 2 min(4,2) · 3 min(1,2) · 5 min(0,1) = 2 2 · 3 1 · 5 0 = 12 The corresponding LCM is ...