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New posts in functional-calculus
Searching two matrix A and B, such that exp(A+B)=exp(A)exp(B) but AB is not equal to BA. [duplicate]
matrices
exponential-function
functional-calculus
Relation between the distance from a point to the resolvent set of a self-adjoint operator and the norm of a related operator
functional-analysis
functional-calculus
Smoothness of $O(n)$-equivariant maps of positive-definite matrices
differential-geometry
representation-theory
matrix-calculus
invariant-theory
functional-calculus
Is the product rule true in a Banach algebra?
functional-analysis
operator-theory
banach-algebras
functional-calculus
semigroup-of-operators
In the Physicists' definition of the path integral, does the result depend on the choice of partitions?
integration
mathematical-physics
quantum-mechanics
quantum-field-theory
functional-calculus
A property of exponential of operators
functional-analysis
operator-theory
banach-spaces
harmonic-analysis
functional-calculus
Spectral integral: verification of my conceptual understanding
functional-analysis
operator-algebras
spectral-theory
c-star-algebras
functional-calculus
Functional differential equation (from Quantum Field Theory).
mathematical-physics
calculus-of-variations
quantum-field-theory
functional-calculus
"Taylor Series" analog for functionals?
functional-analysis
taylor-expansion
functional-calculus
Understanding Riesz's functional calculus
functional-analysis
banach-spaces
banach-algebras
functional-calculus
Why do zeta regularization and path integrals agree on functional determinants?
operator-theory
mathematical-physics
gaussian-integral
regularization
functional-calculus
Cauchy's integral formula for Cayley-Hamilton Theorem
linear-algebra
complex-analysis
cauchy-integral-formula
functional-calculus
cayley-hamilton
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