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Is there common notation for padding a rotation matrix with identities?

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#linear-algebra #notation #rotations #bilinear-form #change-of-basis
391
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Equivariant bilinear form on irreducible representation must be symmetric or skew-symmetric

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#linear-algebra #representation-theory #bilinear-form #characters
146
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Derivative of matrix Bilinear map

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#linear-algebra #multivariable-calculus #derivatives #bilinear-form
320
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Index of nullity of orthogonal complement of vector space

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#linear-algebra #orthogonality #bilinear-form
254
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Showing that $\textrm{dim} \, V = V^{+1} \oplus V^{-1} \oplus V^0$

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#linear-algebra #proof-verification #vector-spaces #bilinear-form
72
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proving $ \mu^T \Sigma \mu \cdot \textbf{1}^T \Sigma \textbf{1} \geq (\textbf{1}^T \Sigma \mu)^2 $

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#linear-algebra #inequality #bilinear-form #cauchy-schwarz-inequality
230
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The Shapovalov form for Verma modules.

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#lie-algebras #bilinear-form #semisimple-lie-algebras #verma-modules
183
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A bilinear form is nonsingular and a self-adjoint operator is nonsingular.

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#linear-algebra #bilinear-form #self-adjoint-operators
265
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Representing a Bilinear Form in a Matrix

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#linear-algebra #matrices #bilinear-form
177
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Prove that for a bilinear symmetric form $B$ there's a vector v$≠$0 that B(v,v)=0 iff $B$ and $-B$ are not positive

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#linear-algebra #vector-spaces #bilinear-form
147
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definite positive symmetric bilinear form

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#linear-algebra #inner-products #bilinear-form
1k
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What is the signature of this bilinear form? $e_i\cdot e_j=1-\delta_{ij}$

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#vector-spaces #quadratic-forms #bilinear-form
186
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Bilinear forms and congruent matrices

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#linear-algebra #linear-transformations #bilinear-form
222
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Equivalent definitions of quadratic form

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#linear-algebra #quadratic-forms #bilinear-form
83
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Non-singular bilinear form invariant under any non-singular linear map

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#linear-algebra #category-theory #linear-transformations #bilinear-form

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