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math.CA2018
Some binomial formulas for non-commuting operators
Peter Kuchment, Sergey Lvin
Let and be linear operators in a vector space (or more generally, elements of an associative algebra with a unit). We establish binomial-type identities for and ass…
math.CA2011★ 1 cited
Identities for sin(x) that came from medical imaging
Peter Kuchment, Sergey Lvin
The article describes interesting nonlinear differential identities satisfied by standard exponential and trigonometric functions, which appeared as byproducts of medical imaging r…