Abstract : The following research work reflects the importance of interdisciplinary and structuralism (the latter one in a wider sense) for management science. Two studies in the field show firstly the resistance of management phenomena against any purely organizational lens : the one dedicated to a cooperative bank and the other one focused on humanitarian projects. The interest of structuralist approaches is then emphasized through on the one hand the example of the use of Michel Foucault's archaeological method and on the other hand the interpretation of information system projects by Algirdas-Julien Greimas' semiotics. This relation about 8 yearly management research work is followed by a new study that was realized in the framework of the “habilitation for research management” (habilitation à diriger des recherches). Decline, notion that is massively used in management through diverse life cycles, proves to be both very fashioned and very suspect, as well as interdisciplinary. It is thus proposed to study a interdisciplinary object – decline / decadence / déclassement – with a couple of structural notions that come from geological structuralism. Indeed, if we admit every that human affair is subject to representation, it appears the possible to describe the structure of these representations through two key notions that are fold and schistose cleavage. Fold is a representation that superimposes two terms and explicitly exposes this superposition, so that the sense of each term before superposition is explained and remains open to inquiry. Schistose cleavage characterizes every representation that superimposes two terms so that for at least one of them, the sense by which it was meant before superposition differs from the one that is meant after superposition, without any explanation about such a sense derive. Formal mark of schistose representation is typically surreptitious homonymy that characterizes abusive generalization. Structural analysis is processed by two steps. Firstly decadence representations of the Roman Empire that produce historians are studied. Secondly we focus on the management material which is defined as all the representations that refer to management phenomena. Topography invites to analyze the importance and performance of clichés in management. Palae-ontology leads to focus firstly on silent transformations of the firm and then on homonymy and de-contextualization that may affect management research. Tectonics of decline representations raises remarks at two levels. At an operational level there is he risk for practitioners to misuse the argument of declines for promoting change inside the firm. At a methodological level we sketch hermeneutic approaches for the study of management phenomenon. Conclusion is focused on some peculiarities of management representations. Representations of managerial phenomenon are analyzed as a material whose thickness reflects the distance that exists for the manager, between expected objectives and obtained outcomes. Manager's difficulties are thus described through metaphors that come from materials science. These properties find thus an explanation in the structures and textures that have been previously raised when studying more restricted domains like strategists' discourse and decline representation. As a consequence the goal of research management consists in enriching management material without confusing it bay abusive transpositions and generalizations.