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See detailLe logement, carrefour de problèmes, carrefour de possibles
Nisen, Laurent ULg

Article for general public (2015)

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See detailLogements sociaux à Lixhe
Dawance, Sophie ULg

in Charlie, Sébastien, Moor Thomas (Ed.) Guide Architecture moderne et contemporaine 1895-2014. Liège (2014)

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See detailLes logements vides et les permis d’urbanisme
Halleux, Jean-Marie ULg; Kessler, L.; Lambotte, Jean-Marc ULg et al

Poster (2003, November 19)

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See detailLogging impact on biodiversity in Central Africa
Doucet, Jean-Louis ULg

Conference (2017, February 07)

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See detailLogging impacts in Central African moist forests
Doucet, Jean-Louis ULg

Conference (2011, October 24)

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See detailLOGIC : un service GeoWeb d’aide à la décision en matière d’implantations commerciales.
Jaspard, Mathieu ULg; Christopanos, Pierre

in Bulletin de la Société Géographique de Liège (2011), 56

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See detailLOGIC : Un service GeoWeb d'aide à la décision et à la coopération des élus en matière d'implantations commerciales
Jaspard, Mathieu ULg

in 1ère Conférence Intercontinentale d'Intelligence Territoriale "Interdisciplinarité dans l'aménagement et développement des territoires" (2014)

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See detailLogic implementations using a single nanoparticle-protein hybrid
Medalsy, I.; Klein, M.; Heyman, A. et al

in Nature Nanotechnology (2010), 5

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See detailLogic operations in a doped solid driven by stimulated Raman adiabatic passage
Beil, F.; Halfmann, T.; Remacle, Françoise ULg et al

in Physical Review A (2011), 83

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See detailLogic reversibility and thermodynamic irreversibility demonstrated by DNAzyme-based Toffoli and Fredkin logic gates
Orbach, Ron; Remacle, Françoise ULg; Levine, R. D. et al

in Proceedings of the National Academy of Sciences (2012), 109(52), 21228-21233

The Toffoli and Fredkin gates were suggested as a means to exhibit logic reversibility and thereby reduce energy dissipation associated with logic operations in dense computing circuits. We present a ... [more ▼]

The Toffoli and Fredkin gates were suggested as a means to exhibit logic reversibility and thereby reduce energy dissipation associated with logic operations in dense computing circuits. We present a construction of the logically reversible Toffoli and Fredkin gates by implementing a library of predesigned Mg2+-dependent DNAzymes and their respective substrates. Although the logical reversibility, for which each set of inputs uniquely correlates to a set of outputs, is demonstrated, the systems manifest thermodynamic irreversibility originating from two quite distinct and nonrelated phenomena. (i) The physical readout of the gates is by fluorescence that depletes the population of the final state of the machine. This irreversible, heat-releasing process is needed for the generation of the output. (ii) The DNAzyme-powered logic gates are made to operate at a finite rate by invoking downhill energy-releasing processes. Even though the three bits of Toffoli’s and Fredkin’s logically reversible gates manifest thermodynamic irreversibility, we suggest that these gates could have important practical implication in future nanomedicine. [less ▲]

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See detailLogic, Decidability and Numeration Systems
Charlier, Emilie ULg

Conference (2016, November)

The theorem of Büchi-Bruyère states that a subset of N^d is b-recognizable if and only if it is b-definable. As a corollary, the first-order theory of (N,+,V_b) is decidable (where V_b(n) is the largest ... [more ▼]

The theorem of Büchi-Bruyère states that a subset of N^d is b-recognizable if and only if it is b-definable. As a corollary, the first-order theory of (N,+,V_b) is decidable (where V_b(n) is the largest power of the base b dividing n). This classical result is a powerful tool in order to show that many properties of b-automatic sequences are decidable. The first part of my lecture will be devoted to presenting this result and its applications to b-automatic sequences. Then I will move to b-regular sequences, which can be viewed as a generalization of b-automatic sequences to integer-valued sequences. I will explain how first-order logic can be used to show that many enumeration problems of b-automatic sequences give rise to corresponding b-regular sequences. Finally, I will consider more general frameworks than integer bases and (try to) give a state of the art of the research in this domain. [less ▲]

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See detailLogic, Knowledge and Language, 14-15 March
Leclercq, Bruno ULg

in The Reasoner (2013), 7

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See detailLogic, mathematics, ontology. Alfred North Whitehead's early work
Leclercq, Bruno ULg; Deroo, Emeline ULg

in Logique et Analyse (2011), 54(213),

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See detailLogica en esthetica. Notities bij ‘Het bordeel van Ika Loch’ van Paul van Ostaijen
Spinoy, Erik ULg

in Spiegel der Letteren (1995), 37(2-3), 89-128

This article is an innovative rereading of Van Ostaijen's grotesque story 'Ikla Loch's Brothel', in light of the author's late philosophical views.

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See detailLogica en esthetica. Notities bij ‘Het bordeel van Ika Loch’ van Paul van Ostaijen
Spinoy, Erik ULg

in Digitale Biblioitheek der Nederlandse Letteren (2005)

This article rereads Van Ostaijen's grotesque story within the context of Kantian philosophy, one of Van Ostaijen's primary sources of theoretical inspiration.

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See detailLogica vetus
Adam, Renaud ULg

in de Vos, Wim; Cahen-Delhaye, Anne (Eds.) België : de tien instellingen van het Federaal Wetenschapsbeleid (2005)

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See detailLogical analysis and its ontological consequences : Rise, fall and resurgence of intensional objects in contemporary philosophy
Leclercq, Bruno ULg

in Petrov, Vesselin (Ed.) Ontological landscapes. Recent thought on conceptual interfaces between science and philosophy (2010)

The aim of this paper will be to show how significant the logical theories of judgement which were worked out at the end of the nineteenth century have been for the ontological thought during the ... [more ▼]

The aim of this paper will be to show how significant the logical theories of judgement which were worked out at the end of the nineteenth century have been for the ontological thought during the twentieth century. Against the classical - Aristotelian and Scholastic - analysis of predicative judgement, Franz Brentano on one hand and Gottlob Frege on the other hand have leveled two different criticisms, which then generated two radically divergent ontological paradigms. On one side, despite Brentano’s own nominalistic stands, there was a tremendous extension of the general category of “object” as well as of the notion of “being” with, as a consequence, the exceptionnally luxuriant ontologies of Brentano’s heirs. On the other side, notwithstanding Frege’s own Platonistic affinities, there was a drastic deflation of the realm of objects to the benefit of the realm of concepts taken as classifying functions, and therefore a strong nominalistic trend among Frege’s heirs. The development of quantified modal logics at the middle of twentieth century however forced contemporary ontology to reconsider this simple alternative in order to give place to some hybrid entities such as individual concepts or other kinds of “intensional objects”. [less ▲]

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