Ricardo González Prevettoni 1943–2021
نویسندگان
چکیده
منابع مشابه
A. González–Ruiz ∗
Integrable open-boundary conditions for the supersymmetric t-J model. The quantum group invariant case. Abstract We consider integrable open–boundary conditions for the supersymmetric t–J model commuting with the number operator n and S z. Four families, each one depending on two arbitrary parameters, are found. We find the relation between Sklyanin's method of constructing open boundary condit...
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In a symmetric information voting model, an individual (information controller) can influence voters’ choices by designing the information content of a public signal. We characterize the controller’s optimal signal. With a non-unanimous voting rule, she exploits voters’ heterogeneity by designing a signal with realizations targeting di↵erent winning-coalitions. Consequently, under simple-majori...
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We evaluate the matrix elements 〈r〉 for the n-dimensional harmonic oscillator in terms of the dual Hahn polynomials and derive the corresponding three-term recurrence relation and the Pasternack-type reflection relation. A short review of similar results is also given. 1. An Introduction The purpose of this note is to present a simple evaluation of the expectation values 〈r〉 for the n-dimension...
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ژورنال
عنوان ژورنال: Journal of Pediatric Urology
سال: 2021
ISSN: ['1873-4898', '1477-5131']
DOI: https://doi.org/10.1016/j.jpurol.2021.05.008