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William Danoff is the single manager of Fidelity Investments's flagship mutual fund, Contrafund.Contrafund is one of Fidelity's largest mutual funds, holding over $129 billion in assets, making it the largest single-manager mutual fund in the world.
The fidelity between two quantum states and , expressed as density matrices, is commonly defined as: [1] [2] (,) = ().The square roots in this expression are well-defined because both and are positive semidefinite matrices, and the square root of a positive semidefinite matrix is defined via the spectral theorem.
Franklin Resources, Inc. is an American multinational holding company that, together with its subsidiaries, is referred to as Franklin Templeton; it is a global investment firm founded in New York City in 1947 as Franklin Distributors, Inc.
High fidelity (often shortened to Hi-Fi or HiFi) is the high-quality reproduction of sound. [1] It is popular with audiophiles and home audio enthusiasts. Ideally, high-fidelity equipment has inaudible noise and distortion , and a flat (neutral, uncolored) frequency response within the human hearing range .
Fidelity is therefore a measure of the realism of a model or simulation. [4] Simulation fidelity has also been described in the past as "degree of similarity". [5] In quantum mechanics and optics, [6] the fidelity of a field is calculated as an overlap integral of the field of interest with a reference or target field.
First Fidelity Bank is a retail bank headquartered in Oklahoma City, which operates in Oklahoma, Arizona and Colorado. [6] It is a subsidiary of First Fidelity Bancorp, which was founded in 1982. [14] The bank offers checking, deposits, [6] loans, mortgages, insurance, investments and pensions, and as of 2014, it has 30 branch locations.
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Fidelity (Russian: Верность, romanized: Vernost, also marketed as Infidelity) [4] is a 2019 Russian erotic drama film directed by Nigina Sayfullaeva, and starring Yevgenia Gromova, Aleksandr Pal, Marina Vasileva and Alexey Agranovich.