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Filtrations and asymptotic geometry of non-Archimedean norms on section rings
No full textThis article is concerned with the metric study of a construction of Gérardin of the action of the boundary at infinity of the space of norms on a non-Archimedean vector space, and its generalisation to graded algebras. Namely, given (X,L) a polarised variety over an arbitrary non-Archimedean field, we show that there is a jointly d_1-contracting action of the space of filtrations of the section ring R(X,L) on the space of graded norms on R(X,L). This naturally yields non-Archimedean geodesic rays and infinite-dimensional flats in this setting, generalising previous work of the author and Witt Nyström. It is further shown that relative limit measures converge along geodesic rays, providing a result on the d_p-radial geometry of graded norms, analogous to a recent result of Finski in the Archimedean case
The Caravan Roads and Way Stations in North-West Arabia (CaRoWS) Project. Report on the 2025 Season.
No full textThis is the report of the 2025 fieldwork season undertaken by the CaRoWS project in the Saudi Arabian Ḥismā. It contains several chapters : on the Greek, Early Islamic, Ancient North Arabian and Nabataean as well Developing Arabic inscriptions. They are preceded by an introduction and followed by a general commentary. It contains also appendices, among which maps, a list of sites and a catalogue of the new Nabataean and Nabataeo-Arabic inscriptions. 33 plates illustrate the report.Ceci est le rapport de la campagne 2025 du projet CaRoWS dans la Ḥismā saoudienne. Il comprend plusieurs chapitres consacrés aux inscriptions grecques, arabes, nord-arabiques anciennes, nabatéennes et nabatéo-arabes. Il comprend également une introduction et un commentaire général.Le rapport contient aussi des annexes, parmi lesquelles des cartes, une liste des sites et un catalogue des nouvelles inscriptions nabatéennes et nabatéo-arabes. L'ensemble est par ailleurs illustré de 33 planches
L’écriture de l’histoire des théâtres lyriques parisiens entre 1847 et 1913
No full textInternational audienceNineteenth-century Parisian musical life was closely followed by the press throughout Europe. A particular category of writings were the monographs in French devoted to the history of the main Parisian lyric theatres, such as the Opéra, the Opéra-Comique and the Théâtre-Italien. The aim of this article is to offer a comparative analysis of twenty of these works published between 1847 and 1913 by Solié, Castil-Blaze, Véron, de Lasalle, Thurner, Nuitter, Royer, Fouque, d’Heylli, Malherbe, Soubies, Pougin and Huret. This study examines the professional activities of these authors, their links with the theatre industry, the nature of their sources, and the choice and hierarchy of subjects. The first two parts of this article consist of a comparative presentation of the twenty works in the corpus and their authors. The third part is devoted to the internal organisation of the works and the fourth to the gradual transition from musicographer to musicologist.Au XIXe siècle, la vie musicale parisienne est attentivement suivie par la presse généraliste ou spécialisée à l’échelle européenne. Une catégorie particulière d’écrits est constituée par les monographies en français consacrées à l’histoire des principaux théâtres lyriques parisiens, tels que l’Opéra, l’Opéra-Comique, le Théâtre-Italien ou le Théâtre-Lyrique. L’objet de cet article est de proposer une analyse comparée d’une vingtaine de ces ouvrages publiés entre 1847 et 1913 par Solié, Castil-Blaze, Véron, de Lasalle, Thurner, Nuitter, Royer, Fouque, d’Heylli, Malherbe, Soubies, Pougin et Huret. Cette étude interroge les activités professionnelles de ces auteurs, leurs liens avec l’industrie théâtrale, la nature de leurs sources, le choix et la hiérarchie des sujets. Les deux premières parties de cet article consistent en une présentation comparative des vingt ouvrages du corpus et de leurs auteurs. La troisième partie est consacrée à l’organisation interne des ouvrages et la quatrième au passage progressif du musicographe au musicologue
Accident et palingénésie dans "Le Temps retrouvé" de Marcel Proust
No full textInternational audienceLes dernières pages du "Temps retrouvé" présentent la mort comme une expérience qu’il est possible de réitérer. Cette étonnante réflexion porte à croire que le « moi » dans l’œuvre de Proust est doué de métamorphose, et que tout accident rend possible une palingénésie. Une telle représentation du sujet et du temps est rendue palpable à travers une poétique dans laquelle éternité et instantanéité se rencontrent
Legal Concepts in John R. Commons' Legal Foundations of Capitalism: Influences, Appropriations and Context
No full textInternational audienceCommons has a special position in institutionalism for his commitment to understanding the legal embedding of American capitalism and the relationship between the legal and economic orders. The article analyzes Commons' approach to law and characterizes his levels of analysis. Commons, notably in “Legal Foundations of Capitalism”, read certain legal writings from which he drew lessons for his own analysis, in a double movement of influence and appropriation. He drew on Hohfeld's theory of legal rights and some of his critics to develop his theory of transactions. He also carefully studied the jurisprudence of the US Supreme Court, to develop certain key concepts (going concern, futurity, intangible property, goodwill). Finally, Commons' institutionalist political economy has affinities with the Legal Realist movement
: Déchets, énergie, CO2 : enquête sur le bouclage des flux résiduels
No full textInternational audienceLes systèmes urbains contemporains génèrent de manière excessive différentes formes de résidus que l’on cherche à valoriser dans une perspective d’économie circulaire. L’enquête porte sur trois « flux résiduels » – les déchets, l’énergie fatale et le CO2 – en s’attachant à comprendre les multiples niveaux de gouvernance et de cadrage dont ils relèvent et les interdépendances qui les lient. A l’examen des normes, instruments et politiques qui gouvernent ces flux en Europe et en France s’ajoute une analyse territoriale dans quatre métropoles où sont menés des projets et des politiques qui tendent à leur bouclage. Tout en apportant un éclairage sur les évolutions et contradictions de l’action publique environnementale contemporaine, l’ouvrage souligne les limites d’une économie circulaire porteuse de promesses mais aussi de profonds dilemmes
From non-specific biomarker to targeted action: transdiagnostic and sex-specific drivers of high-CRP status in severe mental illness across the FondaMental Advanced Centers of Expertise (FACE) cohorts
No full textInternational audienceBackground and objectives: Low-grade systemic inflammation contributes to the pathophysiology of severe mental illness (SMI) in a substantial subset of patients, who often experience greater disease burden and poorer treatment response. Elevated C-reactive protein (CRP), defined as CRP ≥ 3 mg/L, has been proposed to identify this group, but its non-specificity limits the biomarker's ability to guide targeted intervention. We aimed to determine the most consistent drivers of high CRP across bipolar disorder (BD), schizophrenia (SZ) and major depressive disorder (MDD), and to translate these into clinically actionable intervention targets using robust data-driven methods.Methods: We pooled and harmonised data from three large French national SMI cohorts (n = 7149: 4797 bipolar disorder, 1958 schizophrenia and 394 resistant major depression) and classified participants by CRP ≥ 3 mg/L, as well as an alternative cut-off of 5 mg/L. We applied penalised logistic regression (PLR), random forests (RF) and unsupervised clustering, using 28 biopsychosocial variables to identify robust drivers of high-CRP status. We then grouped these into actionable targets and assessed relative dominance.Results: In total, 30.16% of participants had CRP ≥ 3 mg/L. PLR identified female sex (OR [95% CI]: 1.60 [1.27, 1.93]), higher BMI (OR: 1.09 [1.07, 1.13]), current nicotine dependence (OR: 1.05 [1.02, 1.09]), lower HDL cholesterol (OR: 0.57 [0.44, 0.73]) and smoking (ex-smoker status OR: 0.84 [0.66, 0.98]) as consistent drivers. RF highlighted a similar set of key drivers, also including waist circumference, triglycerides and cardiovascular comorbidities. Clustering of the high-CRP group was almost entirely driven by smoking status and nicotine dependence. When grouped into actionable targets, the identified drivers accounted for 16% of variance in CRP status, with obesity emerging as most dominant contributor. This pattern was most pronounced in females; in males it was more diffuse, with a more prominent role for smoking.Conclusions: We propose a decision tree framework where CRP can serve as a first-line screening marker for inflammation in SMI, with subsequent steps focusing on the main contributing factors to guide targeted interventions. Priority should be given to targeting obesity and metabolic dysregulation. Among females, hyperuricemia represents the next most appropriate target, whereas in males, smoking warrants greater attention. This stepwise approach provides a route from a nonspecific biomarker to targeted treatment strategies and should be validated in prospective studies
Existence of a solution of the TV Wasserstein gradient flow
No full textOn the flat torus in any dimension we prove existence of a solution to the TV Wasserstein gradient flow equation, only assuming that the initial density is bounded from below and above by strictly positive constants. This solution preserves upper and lower bounds of the densities, and shows a certain decay of the BV norm (of the order of for -- if , otherwise the BV norm is of course bounded -- and of the order of as ). This generalizes a previous result by Carlier and Poon, who only gave a full proof in one dimension of space and did not consider the case .The main tool consists in considering an approximated TV-JKO scheme which artificially imposes a lower bound on the density and allows to find a continuous-in-time solution regular enough to prove that the lower bounds of the initial datum propagates in time, and study on this approximated equation the decay of the BV norm
A prospective multicentre double-blind randomized controlled trial evaluating clinical, cognitive and neural effects of potentiation of electroconvulsive therapy by repetitive transcranial magnetic stimulation in patients with treatment-resistant depression (STIMAGNECT 2)
No full textInternational audienceMajor depressive disorder is a leading cause of disability worldwide, with treatment-resistant depression (TRD) affecting approximately one-third of patients and leading to increased morbidity and healthcare costs. Electroconvulsive therapy (ECT) remains a key treatment for TRD, but its efficacy is limited, and it is associated with cognitive side effects and delayed symptom relief. Repetitive transcranial magnetic stimulation (rTMS) shares action mechanisms with ECT and has shown potential in enhancing ECT efficacy in a previous trial. The STIMAGNECT 2 trial aims to evaluate whether an rTMS add-on protocol can improve ECT outcomes in TRD patients after 10 ECT sessions.Methods: Eighty patients with TRD will be enrolled in a prospective multicentric double-blind randomized controlled trial. All patients will receive a total of 10 ECT sessions. Patients will be randomly assigned to an active or sham rTMS arm. The rTMS protocol (either active or sham) consists of 5 rTMS sessions over 4 days before the beginning of the ECT protocol, with an additional rTMS session the day before each ECT session from the 6th ECT session onward. The main outcome is the response rate following 10 ECT sessions, defined as the proportion of patients achieving a ≥ 50% reduction in their Hamilton Depression Rating Scale (HAMD, 21 items). Secondary outcomes include changes in depression severity (HAMD and QIDS-SR-16) at baseline, during the protocol (Day 4, Day 19, Day 26) and at the end of the protocol, as well as assessment of side effects (adapted UKU), cognitive function (memory, attention, visuospatial abilities, subjective cognitive complaint), autobiographical memory (TEMPau), and ECT session parameters such as seizure characteristics and anesthetic doses. Additionally, potential changes in regional gray matter density, cortical thickness, brain connectivity, and GABA levels will be compared between groups using several magnetic resonance imaging (MRI) sequences (3D, resting-state functional MRI, magnetic resonance spectroscopy).Discussion: The aim of this trial is to optimize neurostimulation protocols using the synergistic effects of rTMS and ECT in order to improve the treatment of TRD
