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See detailOn the Zero Defect Conjecture
Labbé, Sébastien ULg; Starosta, Stepan; Pelantova, Edita

in European Journal of Combinatorics (in press)

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See detailOrganocatalytic coupling of CO2 with a propargylic alcohol: a comprehensive study of the reaction mechanism combining in- situ ATR-IR spectroscopy and DFT calculations
Boyaval, Amélie ULg; Méreau, Raphaël; Grignard, Bruno ULg et al

in ChemSusChem (in press)

The metal-free coupling of propargylic alcohols with carbon dioxide catalysed by guanidine derivatives was investigated in detail through the combination of online kinetic studies by in-situ ATR-IR ... [more ▼]

The metal-free coupling of propargylic alcohols with carbon dioxide catalysed by guanidine derivatives was investigated in detail through the combination of online kinetic studies by in-situ ATR-IR spectroscopy and DFT calculations. Bicyclic guanidines, namely TBD and MTBD, are effective catalysts for the conversion of 2-methyl-3-butyn-2-ol to α-methylene cyclic carbonate and oxoalkyl acyclic carbonate under mild reaction conditions. The lower selectivity of TBD in comparison with MTBD towards the formation of α-methylene cyclic carbonate was elucidated from DFT calculations and is related to the bifunctional activity (base/H-bond donor) of TBD decreasing the Gibbs free energy of the reaction path for the formation of the acyclic carbonate. Introduction [less ▲]

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See detailDemeter's Arrival at Eleusis on an Apulian Oinochoe kept in Foggia
Cuvelier, Graham ULg

in Babesch : Bulletin Antieke Beschaving (in press)

This article offers an interpretation of the scene depicted on the body of an Apulian red-figured oinochoe, assigned to the Darius Painter, now kept in the storage of the Museo Civico of Foggia. This ... [more ▼]

This article offers an interpretation of the scene depicted on the body of an Apulian red-figured oinochoe, assigned to the Darius Painter, now kept in the storage of the Museo Civico of Foggia. This interpretation is based on the analysis of the iconographic language of the Apulian imagery as well as on the connexion in series of this scene with those appearing on contemporary vases produced in the same cultural community. This article is also accompanied by a set of previously unpublished colour pictures (of the entire vase and of several details) taken on site by the author. [less ▲]

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See detailUno scetticismo triste. Tozzi e la psicologia del primo Novecento
Boccaccini, Federico ULg

in de Seta, Ilaria; Castellana, Riccardo (Eds.) Tozzi e l'Europa (in press)

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See detailL'enquête sur le fragment apulien Kiev 147 a
Cuvelier, Graham ULg

in Mètis : Revue d'Anthropologie du Monde Grec Ancien : Philologie, Histoire, Archéologie (in press)

Starting with a drawing of the late 19th century, completed by a recent and unpublished picture, this article presents the journey of an Apulian fragment attributed to the circle of the Darius Painter ... [more ▼]

Starting with a drawing of the late 19th century, completed by a recent and unpublished picture, this article presents the journey of an Apulian fragment attributed to the circle of the Darius Painter. This journey is associated with the history of the research related to this fragment, from its discovery in Ruvo in 1869 until its rediscovery in 2000 in Kiev. Then come a description and an iconographic analysis of the scene depicted on it, followed by the interpretations which have been given to it. [less ▲]

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See detailMaximum energy dissipation to explain velocity fields in shallow reservoirs
Westhoff, Martijn; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

in Journal of Hydraulic Research (in press)

Shallow reservoirs are often used as sediment traps or storage basins, in which sedimentation depends on the flow pattern: Short rectangular reservoirs reveal a straight jet from inlet to outlet with on ... [more ▼]

Shallow reservoirs are often used as sediment traps or storage basins, in which sedimentation depends on the flow pattern: Short rectangular reservoirs reveal a straight jet from inlet to outlet with on both sides identical recirculation zones. In longer reservoirs, the main jet reattaches to the side of the reservoir leading to a small and a large recirculation zone. Previous studies found an empirical geometric relation describing the switch between these two flow patterns. In this study, we demonstrate, with a simple analytical model, that this switch coincides with a maximization of energy dissipation in the shear layer between the main jet and recirculation zones: Short reservoirs dissipate more energy when the flow pattern is symmetric, while longer reservoirs dissipate more energy with an asymmetric pattern. This approach enables to predict the flow patterns without detailed knowledge of small scale processes, potentially useful in the early phase of reservoir design. [less ▲]

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See detailImmobility
Zickgraf, Caroline ULg

in Gemenne, François; McLeman, Robert (Eds.) Routledge Handbook on Environmental Displacement and Migration (in press)

This chapter provides a review of what we know about immobility in environmental migration studies.

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See detailWe Have Always Been Minimalist
Levaux, Christophe ULg

Book published by University of California Press (in press)

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See detailNous avons toujours été minimalistes
Levaux, Christophe ULg

Book published by Le Mot et le Reste (in press)

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See detailOver and Over. Exploring Repetition in Popular Music
Levaux, Christophe ULg; Julien, Olivier

Book published by Bloomsbury Academics (in press)

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See detailOrganic Rankine Cycles including fluid selection
Lemort, Vincent ULg; Declaye, Sébastien ULg; Quoilin, Sylvain ULg

in Handbook of Clean Energy Systems (in press)

An Organic Rankine Cycle (ORC) is similar to a steam Rankine cycle, except that the working fluid is not water but an organic compound, such as a refrigerant or a hydrocarbon, characterized by a lower ... [more ▼]

An Organic Rankine Cycle (ORC) is similar to a steam Rankine cycle, except that the working fluid is not water but an organic compound, such as a refrigerant or a hydrocarbon, characterized by a lower ebullition temperature than that of water. Hence lower temperature heat sources can be exploited such as solar energy, geothermal energy and waste heat recovery from many different processes. During the design phase of an ORC system, the selection of the working fluid must be conducted in parallel with the selection and the sizing of the components (mainly the expansion machine, the pump and the heat exchangers) and with the definition of the cycle architecture. This approach allows taking into consideration all technical constraints. Relevant properties of working fluids that should be considered during their selection are listed. Major characteristics of available displacement and turbo-expander technologies are described. The impact of the pump performance on the overall performance is discussed and strategies to increase the available NPSH are proposed. Finally, improved cycle architectures are introduced. Major applications of ORC systems are described: geothermal power plants, biomass CHP plants, waste heat recovery in industry, waste heat recovery on internal combustion engines and solar power plants. All these applications differ by the nature of the heat source and heat sink, the integration of the ORC with these sources and sinks, and the range of installed capacities. These differences yield specific designs, which are described. Performance achieved by systems in operation or prototypes are presented. [less ▲]

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See detailDétourner le langage. L’usage des métaphores chez Donna Haraway
Borotto, Jessica ULg

in Caeymaex, Florence; Despret, Vinciane; Pieron, Julien (Eds.) Habiter le trouble avec Donna Haraway (in press)

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See detailSpaces Snu, diametral dimension and property Omega bar
Demeulenaere, Loïc ULg

in Journal of Mathematical Analysis and Applications (in press)

This paper investigates two topological invariants in the context of the sequence spaces Snu, which are metric topological vector spaces defined in order to study the regularity of signals. First, it ... [more ▼]

This paper investigates two topological invariants in the context of the sequence spaces Snu, which are metric topological vector spaces defined in order to study the regularity of signals. First, it extends the formula already known of the diametral dimension of spaces Snu to some non-locally pseudoconvex ones. Second, it proves that locally p-convex spaces Snu verifies the property "Omega id", which is equivalent to Omega bar for Fréchet spaces. [less ▲]

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See detailComment reconnaître un autographe parmi les papyrus littéraires grecs ? L'exemple du P. Oxy. 74.4970
Marganne, Marie-Hélène ULg

in Bauden, Frédéric; Franssen, Elise (Eds.) In the Author's Hand'. Holograph and Authorial Manuscripts in the Islamic Handwritten Tradition (in press)

A small number of autographs are attested among the Greek literary papyri dating from the IV/III centuries BC to the VI/VII centuries AD. They can be found in the form of papyrus rolls, papyrus slips ... [more ▼]

A small number of autographs are attested among the Greek literary papyri dating from the IV/III centuries BC to the VI/VII centuries AD. They can be found in the form of papyrus rolls, papyrus slips, papyrus or parchment codices or even wooden tablets. According to research by A. Petrucci and T. Dorandi, evidence from the material and the format of the piece, from the layout of the text and its writing, from the state of the text and from the literary genre allow for the identification of autographs. The present paper will briefly review the about 50 Greek literary papyri considered to be autographs. Special attention will be paid to a recently edited II-century medical papyrus (P.Oxy. 74.4970), which seems to present the characteristics of an autograph. [less ▲]

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See detailDer individuelle Rechtsschutz gegen Verwaltungshandlungen - Landesbericht Belgien
Behrendt, Christian ULg; Miny, Xavier ULg

in Huber, Peter M.; von Bogdandy, Armin (Eds.) Ius Publicum Europaeum, vol. VIII (in press)

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See detailOut of the ground: two coexisting fossorial toad species differ in their emergence and movement patterns
Székely, Diana ULg; Cogalniceanu, Dan; Székely, Paul et al

in Zoology (in press)

Understanding the way species with similar niches can coexist is a challenge in ecology.The niche partitioning hypothesis has received much support, positing that species can exploit available resources ... [more ▼]

Understanding the way species with similar niches can coexist is a challenge in ecology.The niche partitioning hypothesis has received much support, positing that species can exploit available resources in different ways. In the case of secretive species, behavioural mechanisms of partitioning are still poorly understood. This is especially true for fossorial frogs because individuals hide underground by day and are active only during the night. We investigated the nocturnal activity and tested the niche partitioning hypothesis in two syntopic fossorial spadefoot toads (Pelobates fuscus and P. syriacus) by examining interspecific variation in emergence from the soil. We employed a night vision recording system combined with video-tracking analyses in a replicated laboratory setting to quantify individual movement patterns, a procedure that has not been used until now to observe terrestrial amphibians. Most individuals appeared on the surface every night and returned to their original burrow (about 60% of the times), or dug a new one around morning. There was a large temporal overlap between the two species. However, P. syriacus was significantly more active than P. fuscus in terms of total distance covered and time spent moving, while P. fuscus individuals left their underground burrow more frequently than P. syriacus. Consequently, P. fuscus adopted more of a sit-and-wait behaviour compared to P. syriacus, and this could facilitate their coexistence. The use of night video-tracking technologies offered the advantage of individually tracking these secretive organisms during their nocturnal activity period and getting fine-grain data to understand their movement patterns. [less ▲]

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