Boson Method not Violating the Pauli Principle Applied to the Three-Quasiparticle System

1971 ◽  
Vol 49 (24) ◽  
pp. 3122-3132 ◽  
Author(s):  
P. A. Simard ◽  
M. Banville
Keyword(s):  
Pauli Principle ◽  
Numerical Calculations ◽  
Ideal Space ◽  
The Ideal

The boson method is studied for a system with one and three quasiparticles. A basis is constructed in the ideal space in such a way that the Pauli principle is fully satisfied. The spurious states due to the particle nonconservation are properly eliminated. Numerical calculations are presented and a comparison is made with Kuo's method. The boson method can be easily extended to the study of systems having two phonons.

SUR L'APPROXIMATION DES BOSONS ET L'ANTISYMÉTRIE

1967 ◽  
Vol 45 (10) ◽  
pp. 3241-3245 ◽  
Author(s):  
P. A. Simard
Keyword(s):  
Ideal Space ◽  
Quasi Particle ◽  
Anharmonic Corrections ◽  
Spherical Nuclei ◽  
Unified Description ◽  
Boson Approximation ◽  
The Ideal

A method is presented in the scheme of the boson approximation such that the antisymmetry between the quasi-particles is introduced naturally. Based on the transcription of the quasi-particle into the ideal space, the method enables one to give a unified description of the anharmonic corrections in the even–even and odd spherical nuclei.

Franciscan Books and their Readers

2022 ◽  
Author(s):  
René Hernández
Keyword(s):  
Space Form ◽  
Northern Italy ◽  
Ideal Space ◽  
Skilled Readers ◽  
Personal Library ◽  
Key Aspects ◽  
Cultural Agency ◽  
First Time ◽  
The Ideal

The book explores the manuscripts written, read, and studied by Franciscan friars from the thirteenth to the fifteenth centuries in Northern Italy, and specifically Padua, assessing four key aspects: ideal, space, form and readership. The ideal is studied through the regulations that determined what manuscripts should aim for. Space refers to the development and role of Franciscan libraries. The form is revealed by the assessment of the physical configuration of a set of representative manuscripts read, written, and manufactured by the friars. Finally, the study of the readership shows how Franciscans were skilled readers who employed certain forms of the manuscript as a portable, personal library, and as a tool for learning and pastoral care. By comparing the book collections of Padua’s reformed and unreformed medieval Franciscan libraries for the first time, this study reveals new features of the ground-breaking cultural agency of medieval friars.

Homeomorphic Analytic Maps into the Maximal Ideal Space of H∞

1999 ◽  
Vol 51 (1) ◽  
pp. 147-163 ◽  
Author(s):  
Daniel Suárez
Keyword(s):  
Maximal Ideal ◽  
Maximal Ideal Space ◽  
Ideal Space ◽  
Gleason Part ◽  
Interpolating Sequences ◽  
Closed Subalgebra ◽  
Analytic Maps ◽  
The Ideal

AbstractLet m be a point of the maximal ideal space of H∞ with nontrivial Gleason part P(m). If Lm : D → P(m) is the Hoffman map, we show that H∞ ° Lm is a closed subalgebra of H∞. We characterize the points m for which Lm is a homeomorphism in terms of interpolating sequences, and we show that in this case H∞ ° Lm coincides with H∞. Also, if Im is the ideal of functions in H∞ that identically vanish on P(m), we estimate the distance of any f ϵ H∞ to Im.

Space configurations for empowering university-community interactions

2019 ◽  
Vol 46 (5) ◽  
pp. 689-701 ◽  
Author(s):  
Jens Dorland ◽  
Christian Clausen ◽  
Michael Søgaard Jørgensen
Keyword(s):  
Science And Technology Studies ◽  
Qualitative Data ◽  
Ideal Space ◽  
Community Interactions ◽  
Policy Makers ◽  
Societal Challenges ◽  
Relational Perspective ◽  
Local Contexts ◽  
Shed Light ◽  
The Ideal

Abstract Some see universities as a possible source of solutions to enable a sustainable transition and overcome societal challenges. Findings from three multisite case studies of Desis Labs, FabLabs, and Science Shops shed light on how universities can help empower communities and solve societal challenges locally. Adopting a sociotechnical and flat relational perspective inspired by science and technology studies (STS), we focus on the material and spatial aspects of how these spaces are configured, thereby ensuring practical relevance for policy makers and practitioners. Applying an analytical generalization methodology, we condense the qualitative data into a typology of three ideal space-types (i.e. affording, mediating, and impact-oriented) that represent specific configurations of actors, researchers, students, communities, spaces, infrastructure, equipment, facilitators, etc. The ideal space-types empower communities in different ways, require different resources to create and operate, and translate differently into specific local contexts.

scholarly journals Ortodontik interseptif: efektivitas rapid palatal expander pada crowding gigi anterior pada anak Interceptive orthodontics: effectivity of rapid palatatal expander in children withanterior teeth crowding

2012 ◽  
Vol 11 (1) ◽  
pp. 22
Author(s):  
Harun Achmad ◽  
Hendrastuti Handayani
Keyword(s):  
Growth And Development ◽  
Orthodontic Treatment ◽  
Permanent Teeth ◽  
Ideal Space ◽  
Lower Jaw ◽  
Tooth Width ◽  
Almost All ◽  
Orthodontic Devices ◽  
Dental Crowding ◽  
The Ideal

Interceptive orthodontic treatment aims to reduce and improve the causes of malocclusion in the stage of growth and development that may have a bad effect in the future. Dental crowding is a state of the disproportion betweenthe size of the teeth, jaw size and arch length. There are three conditions that facilitate the crowding, the width ofthe teeth, small jaw basal bones or a combination of both. One of the techniques of handling the case of childrenanterior crowding due to disproportion size of tooth width with a narrow arch is the rapid palatal expander device(RPE) in order to obtain the ideal space for the teeth and arch length. A boy, aged 11 years, wants to be treated histeeth with complaints teeth of front upper jaw and lower jaw experiencing crowding, thereby disrupting theappearance and mastication. Almost all the permanent teeth have erupted, and the jaw is still in its infancy. Thetreatment is carried out with a combination of fixed orthodontic devices and RPE for 4 months of treatment, showed a positive change in the profile seen in clinical oral cavity conditions of patients.

scholarly journals Reseña: Mercedes Blanco, Góngora heroico. Las Soledades y la tradición épica.

2014 ◽  
Vol 4 (1) ◽  
Author(s):  
MªÁngeles Garrido Berlanga
Keyword(s):  
Ideal Space ◽  
Luis De Gongora ◽  
The Relationship ◽  
The Ideal

Resumen: El título de esta publicación de Mercedes Blanco plantea, ya desde su enunciado, Góngora heroico. Las Soledades y la tradición épica, una atractiva cuestión que encuentra el espacio idóneo para su discusión y refutación a lo largo de las páginas que componen la edición. Explicar la relación que las Soledades de Luis de Góngora mantiene con la épica es el objeto principal que trata su autora en la obra. Abstract: The title of the book of Mercedes Blanco titled Góngora heroico. Las Soledades y la tradición épica, poses an attractive question is the ideal space for discussion and rebuttal along the pages that make editing. Explain the relationship Soledades of Luis de Góngora maintains the epic is the main object that is the author's work.

The Orlando Furioso, Writing and the Construction of Meaning

2019 ◽  
pp. 268-285
Author(s):  
Nicola Gardini
Keyword(s):  
Ideal Space ◽  
Relational Semantics ◽  
Orlando Furioso ◽  
Construction Of Meaning ◽  
Literary Writing ◽  
The Ideal

Nicola Gardini explores the notion of semantic truth in Orlando Furioso. It demonstrates that writing works as the ideal space for the expression of truth. Yet, as is characteristic of Ariosto, writing does not come across as a one-sided notion, that is, the ultimate guarantee of truth. Indeed, Ariosto tells us it can lie just like everyday speech or other kinds of verbal practice, including slander and magic. Resting on linguists’ opposition between referential and relational semantics (which Richard Waswo also investigated in one of his books) and exploring the two kinds of semantics respectively in Zerbino’s and others’ scripts and Saint John’s attack on the truthfulness of ancient poets, Gardini argues that literary writing is thematized in Orlando Furioso as ultimately resisting direct referentiality, while not denying the ideal of truth altogether. Ariosto shows that poetry creates meaning relationally, that is, through hermeneutic challenges and ironic strategies.

Etude de la transcription de la quasi-particule dans l'espace idéal

1970 ◽  
Vol 48 (7) ◽  
pp. 819-826 ◽  
Author(s):  
M. Banville ◽  
P. A. Simard
Keyword(s):  
Ideal Space ◽  
Hamiltonian Matrix ◽  
Canonical Transformations ◽  
Matrix Elements ◽  
Quasi Particle ◽  
Invariance Properties ◽  
Particular Solutions ◽  
The Ideal

The transcription of the quasi-particle in the ideal space has been studied in such a way that all terms in the Hamiltonian in the QTD approximation for the system of four quasi-particles can be found. It is found that an infinity of solutions exists which verify the commutator {α, α+} while yielding correct Hamiltonian matrix elements. Finally, particular solutions which do not verify this commutator are found. Their particular invariance properties under canonical transformations make them relatively easy to obtain. Nonphysical states are eliminated by these transcriptions and all the physical states appear properly antisymmetrized.

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