638 research outputs found

    Perrin Numbers That Are Concatenations of a Perrin Number and a Padovan Number in Base b

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    Let (Formula presented.) be a Padovan sequence and (Formula presented.) be a Perrin sequence. Let n, m, b, and k be non-negative integers, where (Formula presented.). In this paper, we are devoted to delving into the equations (Formula presented.) and (Formula presented.), where d is the number of digits of (Formula presented.) or (Formula presented.) in base b. We show that the sets of solutions are (Formula presented.) (Formula presented.) for the first equation and (Formula presented.) for the second equation. Our approach employs advanced techniques in Diophantine analysis, including linear forms in logarithms, continued fractions, and the properties of Padovan and Perrin sequences in base b. We investigate both the deep structural symmetries and the complex structures that connect recurrence relations and logarithmic forms within Diophantine equations involving special number sequences. © 2025 by the author

    L’action ou la contemplation. Note sur la relation de la fille de Thrace au Docteur angélique

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    If the opposition between “action and contemplation” seems characteristic of the history of philosophy, it also sums up Hannah Arendt’s personal history and philosophy – the diagnosis of the theoretician of the political practice on her contemporaries being eloquent. But the author of the Human condition invites us to reverse the conjunction. Arendt breaks up deliberately with philosophical tradition and particularly with Thomas Aquinas by making these terms exclusive and choosing to think either action (without contemplation) or contemplation (without action). We would like thus to reflect on the relationship between these two thinkers by examining potential echoes of Summa Theologiae within Arendt’s 1958 essay

    Overdose : Heartbreak and hope in Canada's opioid crisis

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    Professor Perrin’s research covers issues related to victims of crime, and the opioid crisis. He is an advocate for compassionate, evidence-based approaches to pressing criminal justice and societal issues. Professor Perrin is the author of numerous law review articles and provides commentary in the media. His books include Overdose: Heartbreak and Hope in Canada’s Opioid Crisis (2020), Victim Law: The Law of Victims of Crime in Canada (2017) and Invisible Chains: Canada’s Underground World of Human Trafficking (2011). Professor Perrin joined UBC after serving as a law clerk at the Supreme Court of Canada and advising judges at the International Criminal Tribunal for the former Yugoslavia and Special Court for the Sierra Leone. He was lead criminal justice advisor and in-house legal counsel to the Prime Minister of Canada.Law, Peter A. Allard School ofUnreviewedFacult

    Jean Lopez. “Kharkov 1942. Le dernier désastre de l’Armée rouge”

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    Jean Lopez. “Kharkov 1942” Il est assez remarquable de pouvoir lire un nouvel ouvrage de Jean Lopez, un an après la sortie de ses Maréchaux de Staline, rédigé avec Lasha Otkhmezuri, pour Perrin, et deux ans et demi après la première édition par ces deux mêmes auteurs du monumental Barbarossa 1941. La guerre absolue, chez Passés composés. Créateur et directeur de la rédaction du magazine Guerres & Histoire depuis 2011, et initiateur en 2021 d’un nouveau périodique chez Perrin, le mook De la g..

    Larinus crassiusculus Desbrochers 1895

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    Larinus crassiusculus Desbrochers, 1895 Larinus crassiusculus Desbrochers, 1895: 93 In the description, Desbrochers indicates “Long. 9­10; lat. 5­6 mill.” and “Akbẻs, rapportẻ par M. Delagrange de qui je l’ai reçu, ainsi que de MM. Staudinger et Bang­Haas”. Types. The male designated as lectotype bears the labels “ Syrie, Akbes, C.D. 1891 ” [printed, C.D. for Ch. Delagrange] and “ crassiusculus Db, 1.80 ”, “ type ” [handwritten] and has been labelled “ Lectotypus ɗ, Larinus crassiusculus Desbr., Gültekin & Perrin des. 2004 ” [printed on red paper]. Four other males and one female in Desbrochers’ collection are designated as paralectotypes and labelled accordingly as “ Paralectotypus ɗ/Ψ, Larinus crassiusculus Desbr., Gültekin & Perrin des. 2004 ” [printed on red paper]: female pinned through right elytron and intact “[golden square label]”, “ crassiusculus m.” [handwritten]; male pinned through right elytron and with right middle tibia and tarsus, half part of third segment and claw segments of the fore left tarsus and left hind tarsus missing “[golden square label]”; male pinned through right elytron and intact “ Syrie, Akbes, C.D. 1891 ” [printed]; male pinned through right elytron and with left hind leg missing “ Syrie, Akbes, C.D. 1891 ” [printed]; male pinned through right elytron and intact “ Syrie, Akbẻs, Ch. Delagrange, Etẻ 1890 ” [printed]. Another male in the “M. Pic, ex. Delagrange” collection, pinned through right elytron and with hind left leg missing and labelled “ Syrie, Akbes, Cd. 1891 ” [printed], “[pink rounded label]”, “ crassiusculus m.” “ Type ” [printed on red paper] is also designated as paralectotype and labelled “ Paralectotypus ɗ, Larinus crassiusculus Desbr., Gültekin & Perrin des. 2004 ” [on red paper]. Another male standing under the name crassiusculus together with the syntypes does not belong to the type series, having been collected two years after the description of the species, in southern Turkey (labelled “ Asia minor, Gülek, Taur. Cilic., 1897, Holtz”). Remarks. Larinus khnzoriani Ter­Minassian, 1962 is conspecific with Larinus crassiusculus Desbrochers, 1895, the types of both having been examined by the senior author. Thus, the following new synonymy is here proposed: Larinus crassiusculus Desbrochers, 1895 [= Larinus khnzoriani Ter­Minassian, 1962 syn. n.]. This species is related to L. curtus Hochhuth, 1851 and L. palaestinus Talamelli, 1999. A redescription of it is in preparation for a forthcoming revision of some species groups of Larinus.Published as part of Gültekin, Levent & Perrin, Hélène, 2006, The species of Larinus Dejean, 1821 (Coleoptera: Curculionidae) described by J. Desbrochers: lectotype designations and new synonymies, pp. 55-68 in Zootaxa 1350 on page 61, DOI: 10.5281/zenodo.27359

    Larinus cribricollis Desbrochers 1896

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    Larinus cribricollis Desbrochers, 1896 Larinus cribricollis Desbrochers, 1896: 66 In the description, Desbrochers indicates “Long. 10 mill.” and “ Syrie ”. Type. The female recognized as holotype bears the handwritten labels “ Syrie ”, “ L. cribricollis, Fr. 96 V 60 5 ” and “ type ” and has been labelled “ Holotypus Ψ, Larinus cribricollis Desbr., Gültekin & Perrin des. 2005 ” [on red paper], “ Larinus lederi Fst, L. Gültekin det. 2005 ”. It misses the left middle tarsus beyond the first segment and the left antenna. Remarks. The mention “Fr. 96 V 60 5 ” is a reference to the description [probably 60 5, a mistake for 65, the number for this species in the Desbrochers’ note]. Larinus cribricollis Desbrochers, 1896 is conspecific with Larinus lederi Faust, 1889, the types of both having been examined by the senior author, necessitating the following new synonymy: Larinus lederi Faust, 1889 [= Larinus cribricollis Desbrochers, 1896 syn. n.].Published as part of Gültekin, Levent & Perrin, Hélène, 2006, The species of Larinus Dejean, 1821 (Coleoptera: Curculionidae) described by J. Desbrochers: lectotype designations and new synonymies, pp. 55-68 in Zootaxa 1350 on page 63, DOI: 10.5281/zenodo.27359

    Annotated translation: La mort expliquée a ma fille (E. HUISMAN-PERRIN: La mort expiquée a ma fille. Paris: Seuil, 2002)

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    The aim of this bachelor thesis is to translate a part of the French book La mort expliquée à ma fille to Czech. The book includes a dialogue of the author Emmanuelle Huisman-Perrin and her daughter, which is about death. The second part of the thesis consists of the translation annotation, which includes the original text analysis, typology of the translation problems and their solutions and translation procedures and shifts

    The Old Men and the Sea of Masscult : T S Eliot, Ernest Hemingway, and Middlebrow Aesthetics

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    Uses American essayist Dwight Macdonald’s well-known critique of Hemingway’s and Eliot’s later works as middlebrow as the basis for his own examination of how the later The Old Man and the Sea, in contrast to the earlier “The Undefeated,” addresses the incoherencies of postwar modernist literature and thus reveals an opposing aesthetic philosophy. Perrin writes that The Old Man and the Sea “represents an author forced implicitly to acknowledge his middlebrow aesthetic because of an inability, despite his best efforts, to make his writing comprehensible in what had come to be accepted modernist terms.” Also published in The Aesthetics of Middlebrow Fiction: Popular US Novels, Modernism, and Form, 1945-75, 19-36. New York: Palgrave Macmillan, 2015

    Larinus elegans Desbrochers 1897

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    Larinus elegans Desbrochers, 1897 Larinus elegans Desbrochers, 1897: 29 In the description, Desbrochers indicates “Long. 9­12 mill., “Algẻrie, Aïn­Sefra, des rẻcoltes de Hẻnon”, and “le ɗ est un peu plus ẻtroit que l’autre sexe, à abdomen subdẻprimẻ au lieu d’ȇtre assez convexe”. The size and the last sentence show that there are several specimens in the type series. Types. Several specimens stand under this name in Desbrochers’ collection. One female, pinned through right elytron, missing the left hind tarsus, and bearing the handwritten labels “ L. elegans, Fr. 97, Ψ, Ψ” and “ type ”, is here designated as lectotype by adding a red label “ Lectotypus Ψ, Larinus elegans Desbr., Gültekin & Perrin des. 2005 ”. Three males and two females, all intact and bearing the label “Aïn­Sefra, Hẻnon” [printed] are designated as paralectotypes and labelled accordingly as “ Paralectotypus ɗ/Ψ, Larinus elegans Desbr., Gültekin & Perrin des. 2005 ” [on red paper]. Fifteen other specimens standing with the syntypes, bearing labels “A. Sefra” or “Aïn­Sefra” [handwritten] and “Ex Museo, Dr. Ch. Martin” or “ex Musaeo Desbrochers 1904 ” [printed] do not belong to the type series because the original description does not refer to any specimen from Dr. Ch. Martin’s collection or the reference to Hẻnon is lacking. Remarks. Larinus elegans Desbrochers, 1897 is conspecific with Larinus kirschii Capiomont, 1874, the types of both having been examined by the senior author. However, the binomen Larinus kirschi was also employed by Reitter (1872) for another Larinus (Larinomesius) species, and Larinus kirschii Capiomont, 1874 is a junior primary homonym of L. kirschi Reitter, 1872 since the endings –i and –ii regarded as homonymous (ICZN 1999). Bedel (1887: 201) proposed the replacement name of Larinus mutabilis for Larinus kirschii Capiomont, 1874, but also this name cannot be used because it is a primary homonym of Larinus mutabilis (Host, 1789), a synonym of Larinus latus (Herbst, 1784). Csiki (1934) correctly placed Larinus mutabilis Bedel, 1887 under the synonyms of Larinus elegans Desbrochers, 1897. Larinus elegans is related to Larinus ursus (Fabricius, 1792), clearly differing from the latter by its shorter and thicker rostrum and the sharp apical constriction of the aedeagus.Published as part of Gültekin, Levent & Perrin, Hélène, 2006, The species of Larinus Dejean, 1821 (Coleoptera: Curculionidae) described by J. Desbrochers: lectotype designations and new synonymies, pp. 55-68 in Zootaxa 1350 on pages 63-64, DOI: 10.5281/zenodo.27359

    Larinus distinguendus Desbrochers 1892

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    <i>Larinus distinguendus</i> Desbrochers, 1892 <p> <i>Larinus distinguendus</i> Desbrochers, 1892b: 92</p> <p> In the description, Desbrochers indicates “Ψ. Long. 6 (<i>rostro excluso</i>); lat. 3 mill.” and “ Syrie ”.</p> <p> Type. The holotype has the printed label “ Syrie ” and handwritten “ <i>distinguendus</i> ”. The holotype is a male and it has been labelled “ Holotypus ɗ, <i>Larinus distinguendus</i> Desbr., Gültekin & Perrin des. 2005” [on red paper]; “ <i>Larinus sibiricus</i> Gyllenhal, L. Gültekin det. 2005”. It is pinned through the right elytron and has the right fore leg broken off at the trochanter.</p> <p> Remarks. In Desbrochers’ description, the unique specimen is said to be a female. We think it is an author’s error. <i>Larinus distinguendus</i> Desbrochers, 1892 is conspecific with <i>Larinus sibiricus</i> Gyllenhal, 1836. Thus, the following new synonymy is here proposed: <i>Larinus sibiricus</i> Gyllenhal, 1836 [= <i>Larinus distinguendus</i> Desbrochers, 1892 <b>syn. n.</b>].</p>Published as part of <i>Gültekin, Levent & Perrin, Hélène, 2006, The species of Larinus Dejean, 1821 (Coleoptera: Curculionidae) described by J. Desbrochers: lectotype designations and new synonymies, pp. 55-68 in Zootaxa 1350</i> on page 60, DOI: <a href="http://zenodo.org/record/273592">10.5281/zenodo.273592</a&gt
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