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  2. Petersson inner product - Wikipedia

    en.wikipedia.org/wiki/Petersson_inner_product

    The integral is absolutely convergent and the Petersson inner product is a positive definite Hermitian form. For the Hecke operators T n {\displaystyle T_{n}} , and for forms f , g {\displaystyle f,g} of level Γ 0 {\displaystyle \Gamma _{0}} , we have:

  3. Interior product - Wikipedia

    en.wikipedia.org/wiki/Interior_product

    In mathematics, the interior product (also known as interior derivative, interior multiplication, inner multiplication, inner derivative, insertion operator, or inner derivation) is a degree −1 (anti)derivation on the exterior algebra of differential forms on a smooth manifold.

  4. Inner product space - Wikipedia

    en.wikipedia.org/wiki/Inner_product_space

    In mathematics, an inner product space (or, rarely, a Hausdorff pre-Hilbert space [1] [2]) is a real vector space or a complex vector space with an operation called an inner product. The inner product of two vectors in the space is a scalar, often denoted with angle brackets such as in , .

  5. Outline of algebraic structures - Wikipedia

    en.wikipedia.org/wiki/Outline_of_algebraic...

    The idea is that if the grades of two elements a and b are known, then the grade of ab is known, and so the location of the product ab is determined in the decomposition. Inner product space: an F vector space V with a definite bilinear form V × V → F. Bialgebra: an associative algebra with a compatible coalgebra structure.

  6. Inner product spaces - Wikipedia

    en.wikipedia.org/?title=Inner_product_spaces&...

    Pages for logged out editors learn more. Contributions; Talk; Inner product spaces

  7. Self-adjoint operator - Wikipedia

    en.wikipedia.org/wiki/Self-adjoint_operator

    In mathematics, a self-adjoint operator on a complex vector space V with inner product , is a linear map A (from V to itself) that is its own adjoint. That is, A x , y = x , A y {\displaystyle \langle Ax,y\rangle =\langle x,Ay\rangle } for all x , y {\displaystyle x,y} ∊ V .

  8. Inner product - Wikipedia

    en.wikipedia.org/?title=Inner_product&redirect=no

    Pages for logged out editors learn more. Contributions; Talk; Inner product

  9. Yang–Mills equations - Wikipedia

    en.wikipedia.org/wiki/Yang–Mills_equations

    where inside the integral the fiber-wise inner product is being used, and is the Riemannian volume form of . Using this L 2 {\displaystyle L^{2}} -inner product, the formal adjoint operator of d A {\displaystyle d_{A}} is defined by