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For years now, brands have been increasingly present in everyday life. Consumers no longer buy out of necessity but because they perceive a symbolic value in a product or brand and therefore want to express their self-concept. These changes in consumer behaviour result in the creation of a consumer-brand relationships where the brand is considered as a full member. The consumer personifies the brand and is able to describe it with personality traits as if it was a real person. For their part, companies have well understood the advantage of having a brand personality. Indeed, studies have shown that brand personality is one of the elements that generates brand preference, brand commitment and even brand loyalty. 
Based on Sirgy's theory of self-image/product-image Congruence (1982) that shows that consumers buy products the image of which is close to their self-image, it is consistent to ask whether there might be such a congruence between the personality of the brand and the personality of the consumer. This is the stated hypothesis of this research. Moreover, as brand personality is predictive of favourable attitudes and behaviours towards the brand, such as brand loyalty, it is worth considering that whether the potential congruence of personalities would have a predictive effect on the brand loyalty relationship. The research focused on green brands and more specifically organic brands in view of the strong values associated with green consumption. 
For this purpose, a quantitative survey was carried out in Wallonia among consumers around 5 organic brands: Alpro Bio, Pur Natur, Côte d'or Bio, Café Liégeois Bio and Ginette Beer. After collecting a sample of 280 people, statistical analyses (factor analysis, Student t-test and regression analysis) were carried out.
The results show a very strong congruence of consumer/green-brand personalities on different personality dimensions and more particularly on Conscientiousness and Fallaciousness dimensions. However, this personality compatibility has only a very weak direct predictive power on the different stages of brand loyalty. 
The contribution of this research is twofold. First, it reinforces previous researches in the field of congruence. It confirms the importance of the personality congruence perception on the purchase decision. On the other hand, with regard to brand loyalty, it gives a more nuanced picture of the personality congruence predictive effect.
Then, in a managerial way, it highlights the dimensions of personalities that are most salient for the consumer to help green brand managers in their decisions.

brand personality --- brand loyalty --- personality congruence --- green brands --- organic brands --- Sciences économiques & de gestion > Marketing

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Résumé

Étude : Cette étude porte sur l’agencement des antécédents des comportements de citoyenneté organisationnelle ainsi que sur l'intention de quitter l’organisation. Plus précisément, nous avons investigué le rôle du processus d'identification à l’organisation dans le développement de l’implication affective, ainsi que l’impact que peut avoir cette relation sur la compréhension d’autres comportements et attitudes. Nous avons investigué quatre hypothèses de double médiation entre la congruence des valeurs, la justice organisationnelle perçue, l’identification organisationnelle, l’implication affective, les comportements de citoyenneté organisationnelle et l’intention de quitter. 
Méthode : Cette étude transversale a été réalisée sur un échantillon hétérogène. Au total, 193 personnes ont répondu au questionnaire. Nos analyses ont été réalisées à l’aide du logiciel R-Lavaan 0.6-4.
Résultats : Nos analyses ont partiellement confirmé nos hypothèses, soulignant ainsi l’importance du processus d’identification dans le développement de l’attachement affectif. Toutefois, nos résultats ont également mis en évidence la non-influence de l’identification à l’organisation et de l’implication affective envers l’organisation sur des comportements visant des cibles différentes, telles que les collègues de travail. 
Conclusion : Cette étude corrobore les résultats de Stinglhamber et al. (2015) sur l’identification à l’organisation et l’implication affective en étudiant certains mécanismes sous-jacents de ces deux concepts ainsi que certains comportements qui en résultent. 
Mots-clefs : Value congruence, Overall justice, Organizational identification, Affective commitment, Organizational citizenship behavior, Intention to quit

Value congruence, Overall justice, Organizational identification, Affective commitment, Organizational citizenship behavior, Intention to quit --- Sciences sociales & comportementales, psychologie > Psychologie sociale, industrielle & organisationnelle

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À l’origine, la maison de repos s’est développée sur base du modèle hospitalier (Eijkelenboom et al., 2017). Ses principes, encore d’application aujourd’hui, sont considérés comme largement dépassés (e.g. Charlot et al., 2019). Il existe un autre modèle, le changement culturel, qui s’est développé sur les critiques émises à l’encontre du modèle médical (e.g. Miller & Mor, 2006) et qui semble satisfaire les attentes des résidents (e.g. Bollig et al., 2016). Par contre, l’adhésion des professionnels a très peu été étudiée, alors qu’elle est essentielle pour réussir l’implémentation du modèle et pour garantir leur qualité de vie travail.
L’objectif de notre étude était de savoir si les valeurs du changement culturel correspondent aux éléments souhaités en maison de repos par les résidents, tout en assurant la qualité de vie au travail des professionnels. Nous avons interrogé 130 professionnels de maison de repos via une enquête en ligne.
Nous avons mis en évidence que les principes du changement culturel correspondent pour la plupart aux éléments attractifs en maison de repos pour de potentiels futurs résidents. Ensuite, les éléments repoussants ne sont pas plus présents en maison de repos que les éléments attractifs. De même, les valeurs du modèle médical ne sont pas plus présentes que les valeurs du changement culturel. Enfin, la probabilité de recommander sa structure est liée à la présence des éléments jugés attractifs en tant que potentiel résident, ce qui n’est pas le cas de la probabilité de quitter son emploi.
En conclusion, le changement culturel semble un modèle prometteur, car il remplit les attentes des résidents et pourrait probablement davantage attirer les personnes âgées. Par contre, notre hypothèse concernant l’impact du changement culturel sur la qualité de vie au travail des professionnels a partiellement été validée. Cela pourrait s’expliquer par le fait que nous avons étudié la congruence des valeurs entre la structure et des (potentiels futurs) résidents, et non des professionnels. D’autres études pourraient donc s’intéresser à la congruence des valeurs en lien avec le changement culturel, à partir de la perspective des professionnels.

Culture change --- Nursing home --- Person-centered care --- Quality of care --- Value congruence --- Job satisfaction --- Sciences sociales & comportementales, psychologie > Traitement & psychologie clinique

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This is a self-contained exposition by one of the leading experts in lattice theory, George Grätzer, presenting the major results of the last 70 years on congruence lattices of finite lattices, featuring the author's signature Proof-by-Picture method. Key features: * Insightful discussion of techniques to construct "nice" finite lattices with given congruence lattices and "nice" congruence-preserving extensions * Contains complete proofs, an extensive bibliography and index, and over 140 illustrations * This new edition includes two new parts on Planar Semimodular Lattices and The Order of Principle Congruences, covering the research of the last 10 years The book is appropriate for a one-semester graduate course in lattice theory, and it is a practical reference for researchers studying lattices. Reviews of the first edition: "There exist a lot of interesting results in this area of lattice theory, and some of them are presented in this book. [This] monograph…is an exceptional work in lattice theory, like all the contributions by this author. … The way this book is written makes it extremely interesting for the specialists in the field but also for the students in lattice theory. Moreover, the author provides a series of companion lectures which help the reader to approach the Proof-by-Picture sections." (Cosmin Pelea, Studia Universitatis Babes-Bolyai Mathematica, Vol. LII (1), 2007) "The book is self-contained, with many detailed proofs presented that can be followed step-by-step. [I]n addition to giving the full formal details of the proofs, the author chooses a somehow more pedagogical way that he calls Proof-by-Picture, somehow related to the combinatorial (as opposed to algebraic) nature of many of the presented results. I believe that this book is a much-needed tool for any mathematician wishing a gentle introduction to the field of congruences representations of finite lattices, with emphasis on the more 'geometric' aspects." —Mathematical Reviews.

Mathematics. --- Algebra. --- Ordered algebraic structures. --- Mathematical logic. --- Number theory. --- Probabilities. --- Order, Lattices, Ordered Algebraic Structures. --- Mathematical Logic and Foundations. --- Probability Theory and Stochastic Processes. --- Number Theory. --- Probability --- Statistical inference --- Number study --- Numbers, Theory of --- Algebra of logic --- Logic, Universal --- Mathematical logic --- Symbolic and mathematical logic --- Symbolic logic --- Algebraic structures, Ordered --- Structures, Ordered algebraic --- Math --- Logic, Symbolic and mathematical. --- Distribution (Probability theory. --- Algebra --- Mathematics --- Mathematical analysis --- Distribution functions --- Frequency distribution --- Characteristic functions --- Probabilities --- Algebra, Abstract --- Metamathematics --- Set theory --- Syllogism --- Congruence lattices. --- Combinations --- Chance --- Least squares --- Mathematical statistics --- Risk

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Study 79 contains a collection of papers presented at the Conference on Discontinuous Groups and Ricmann Surfaces at the University of Maryland, May 21-25, 1973. The papers, by leading authorities, deal mainly with Fuchsian and Kleinian groups, Teichmüller spaces, Jacobian varieties, and quasiconformal mappings. These topics are intertwined, representing a common meeting of algebra, geometry, and analysis.

Group theory --- Complex analysis --- Number theory --- RIEMANN SURFACES --- Discontinuous groups --- congresses --- Congresses --- Riemann surfaces --- Congresses. --- Groupes discontinus --- Combinatorial topology --- Functions of complex variables --- Surfaces, Riemann --- Functions --- Abelian variety. --- Adjunction (field theory). --- Affine space. --- Algebraic curve. --- Algebraic structure. --- Analytic function. --- Arithmetic genus. --- Automorphism. --- Bernhard Riemann. --- Boundary (topology). --- Cauchy sequence. --- Cauchy–Schwarz inequality. --- Cayley–Hamilton theorem. --- Closed geodesic. --- Combination. --- Commutative diagram. --- Commutator subgroup. --- Compact Riemann surface. --- Complex dimension. --- Complex manifold. --- Complex multiplication. --- Complex space. --- Complex torus. --- Congruence subgroup. --- Conjugacy class. --- Convex set. --- Cyclic group. --- Degeneracy (mathematics). --- Diagram (category theory). --- Diffeomorphism. --- Differential form. --- Dimension (vector space). --- Disjoint sets. --- E7 (mathematics). --- Endomorphism. --- Equation. --- Equivalence class. --- Euclidean space. --- Existence theorem. --- Existential quantification. --- Finite group. --- Finitely generated group. --- Fuchsian group. --- Fundamental domain. --- Fundamental lemma (Langlands program). --- Fundamental polygon. --- Galois extension. --- Holomorphic function. --- Homeomorphism. --- Homology (mathematics). --- Homomorphism. --- Hurwitz's theorem (number theory). --- Inclusion map. --- Inequality (mathematics). --- Inner automorphism. --- Intersection (set theory). --- Irreducibility (mathematics). --- Isomorphism class. --- Isomorphism theorem. --- Jacobian variety. --- Jordan curve theorem. --- Kleinian group. --- Limit point. --- Mapping class group. --- Metric space. --- Monodromy. --- Monomorphism. --- Möbius transformation. --- Non-Euclidean geometry. --- Orthogonal trajectory. --- Permutation. --- Polynomial. --- Power series. --- Projective variety. --- Quadratic differential. --- Quadric. --- Quasi-projective variety. --- Quasiconformal mapping. --- Quotient space (topology). --- Rectangle. --- Riemann mapping theorem. --- Riemann surface. --- Schwarzian derivative. --- Simply connected space. --- Simultaneous equations. --- Special case. --- Subgroup. --- Subsequence. --- Surjective function. --- Symmetric space. --- Tangent space. --- Teichmüller space. --- Theorem. --- Topological space. --- Topology. --- Uniqueness theorem. --- Unit disk. --- Variable (mathematics). --- Winding number. --- Word problem (mathematics). --- RIEMANN SURFACES - congresses --- Discontinuous groups - Congresses --- Geometrie algebrique --- Fonctions d'une variable complexe --- Surfaces de riemann