Mcmorran, Ciaran (2016) Geometry and Topography in James Joyce's Ulysses and Finnegans Wake
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Communications Under the Seas: the Evolving Cable Network and Its
Communications under the Seas The Evolving Cable Network and Its Implications edited by Bernard Finn and Daqing Yang The MIT Press Cambridge, Massachusetts London, England © 2009 Massachusetts Institute of Technology All rights reserved. No part of this book may be reproduced in any form by any electronic or mechanical means (including photocopying, recording, or information storage and retrieval) without permission in writing from the publisher. For information about special quantity discounts, please email special_sales@mitpress .mit.edu This book was set in Bembo by The MIT Press. Printed and bound in the United States of America. Library of Congress Cataloging-in-Publication Data Communications under the seas : the evolving cable network and its implications / edited by Bernard Finn and Daqing Yang. p. cm. — (Dibner Institute studies in the history of science and technology) Includes bibliographical references and index. ISBN 978-0-262-01286-7 (hardcover : alk. paper) 1. Cables, Submarine—History. 2. Telecommunication—Social aspects—History. 3. Communication, International. I. Finn, Bernard S., 1932– II. Yang, Daqing, 1964– TK5103.15.C66 2009 621.387’8409162—dc22 2008042011 10 9 8 7 6 5 4 3 2 1 Index Admiralty (U.K.), 187 for voice communications, 37–38, 46, “Memorandum on the Protection of 51 British Submarine Cables,” 194 vacuum tube amplifiers, 30, 37, 46, 247 Ahvenainen, Jorma, 119 Anglo-American Telegraph Company, 29t, Alcatel, 175, 280 66, 71, 82–83, 162–163, 166 Alexander, grand duke of Russia, 124, 126 anti-trust legislation, 199 Algeria, 185 Associated Press, 169, 266 All America Cables, 33, 35, 84, 280 Atlantic Telegraph Company, 18, 66, 167 All-American Telegraph Companies, 89 AT&T. -
Issue 26 May 2006 Submarine Telecoms Forum Is Published Bi-Monthly by WFN Strategies, L.L.C
Regional Systems Issue 26 May 2006 Submarine Telecoms Forum is published bi-monthly by WFN Strategies, L.L.C. The publication may not be reproduced or transmitted in any form, in whole or in part, without the ExordiumWelcome to the May 2006, 26th issue of Submarine Telecoms Forum, our Regional permission of the publishers. Systems edition. Submarine Telecoms Forum is an independent com- mercial publication, serving as a freely accessible forum for My original Scuba diving certification was accomplished some 30 plus years ago, and professionals in industries connected with submarine optical it wasn’t until recently that I decided to upgrade it to the next level. Not that I had any fibre technologies and techniques. extra time to burn; but it just seemed like the right time to “confirm” the skills I had been Liability: while every care is taken in preparation of this using for all those years. Anybody can dive the tropics, but only the fanatical few dive a publication, the publishers cannot be held responsible for the frigid Virginia quarry in April. accuracy of the information herein, or any errors which may occur in advertising or editorial content, or any consequence We have, once again, some excellent articles for you, the fanatical few of the telecoms arising from any errors or omissions. industry. The publisher cannot be held responsible for any views Alan Robinson discusses SubOptic 2007, as well as the future of Apollo and Gemini expressed by contributors, and the editor reserves the right cable systems. Georges Krebs gives his view of the evolving submarine cable market, to edit any advertising or editorial material submitted for publication. -
Homer's Odyssey and the Image of Penelope in Renaissance Art Giancarlo FIORENZA
223 Homer's Odyssey and the Image of Penelope in Renaissance Art Giancarlo FIORENZA The epic heroine Penelope captured the Renaissance literary and artistic imagination, beginning with Petrarch and the recovery of Homer's poetry through its translation into Latin. Only a very small number of humanists in the 14'h century were able to read Homer in the Greek original, and Petrarch's friend Leontius Pilatus produced for him long-awaited Latin translations of the Iliad 1 and Odyssey in the 1360s • Profoundly moved by his ability to finally compre hend the two epics (albeit in translation), Petrarch composed a remarkable letter addressed to Homer in which he compares himself to Penelope: "Your Penelope cannot have waited longer nor with more eager expectation for her Ulysses than I did for you. At last, though, my hope was fading gradually away. Except for a few of the opening lines of certain books, from which there seemed to flash upon me the face of a friend whom I had been longing to behold, a momen tary glimpse, dim through the distance, or, rather, the sight of his streaming hair, as he vanished from my view- except for this no hint of a Latin Homer had come to me, and I had no hope of being able ever to see you face to face"'. The themes of anticipation and fulfillment, and longing and return that are associated with the figure of Penelope coincide with the rediscovery of ancient texts. To encounter Homer for the first time in a language with which one was 3 familiar was as much a personal as a literary experience • As Nancy Struever observes, Petrarch's Le Familiari, a collection of letters addressed to contemporary friends and ancient authors, values friendship and intimate exchange because 4 it leads to knowledge and affective reward • Books on their own (Le Familiari, XII, 6) constituted surrogate friends with whom Petrarch could correspond, con verse, exchange ideas, and share his affections. -
Reproduction and Authenticity in Bernard Picart's Impostures
75 ANN JENSEN ADAMS REPRODUCTION AND AUTHENTICITY IN BERNARD PICART’S IMPOSTURES INNOCENTES In 1768, nearly thirty-five years after the death of Bernard Picart, English critic William Gilpin opined: Picart was one of the most ingenious of the French engravers. His imitations are among the most entertaining of his works. The cry, in his day, ran wholly in favour of antiquity: “No modern masters were worth looking at.” Picart, piqued at such prejudice, etched several pieces in imitation of ancient masters; and so happily, that he almost out-did, in their own excellencies, the artists whom he copied. These prints were much admired, as the works of guido, rembrandt, and others. Having had his joke, he published them under the title of Impostures innocentes.1 In the final years of his life, Bernard Picart — the leading illustrator to the French Huguenot–dominated book trade in the Netherlands — had written a defense of the reproductive prints that he intended to publish with a collection of some seventy- eight exemplary etchings by him after paintings, and particularly drawings, by sixteenth- and seventeenth-century masters as well as a handful after his own designs. A year after Picart’s death in 1733, his wife published his defense — titled “Discours sur les préjugés de certains curieux touchant la gravure” (A discourse on the prejudices of certain critics in regard to engraving) — and reproductive etch- ings along with a preface, a biography, and a catalog of his works under the title Impostures innocentes; ou, Recueil d’estampes d’après divers peintres illustres (1734; Innocent impostures; or, A collection of prints after various celebrated painters).2 Twenty-two years later, the essay and an abbreviated biography were published in English along with the original — and by that time deeply worn — plates.3 This culminated a life as one of Europe’s leading printmakers, first in Paris and after 1710 in the northern Netherlands. -
Geometry by Its History
Undergraduate Texts in Mathematics Geometry by Its History Bearbeitet von Alexander Ostermann, Gerhard Wanner 1. Auflage 2012. Buch. xii, 440 S. Hardcover ISBN 978 3 642 29162 3 Format (B x L): 15,5 x 23,5 cm Gewicht: 836 g Weitere Fachgebiete > Mathematik > Geometrie > Elementare Geometrie: Allgemeines Zu Inhaltsverzeichnis schnell und portofrei erhältlich bei Die Online-Fachbuchhandlung beck-shop.de ist spezialisiert auf Fachbücher, insbesondere Recht, Steuern und Wirtschaft. Im Sortiment finden Sie alle Medien (Bücher, Zeitschriften, CDs, eBooks, etc.) aller Verlage. Ergänzt wird das Programm durch Services wie Neuerscheinungsdienst oder Zusammenstellungen von Büchern zu Sonderpreisen. Der Shop führt mehr als 8 Millionen Produkte. 2 The Elements of Euclid “At age eleven, I began Euclid, with my brother as my tutor. This was one of the greatest events of my life, as dazzling as first love. I had not imagined that there was anything as delicious in the world.” (B. Russell, quoted from K. Hoechsmann, Editorial, π in the Sky, Issue 9, Dec. 2005. A few paragraphs later K. H. added: An innocent look at a page of contemporary the- orems is no doubt less likely to evoke feelings of “first love”.) “At the age of 16, Abel’s genius suddenly became apparent. Mr. Holmbo¨e, then professor in his school, gave him private lessons. Having quickly absorbed the Elements, he went through the In- troductio and the Institutiones calculi differentialis and integralis of Euler. From here on, he progressed alone.” (Obituary for Abel by Crelle, J. Reine Angew. Math. 4 (1829) p. 402; transl. from the French) “The year 1868 must be characterised as [Sophus Lie’s] break- through year. -
Coastlines Are Reproduced Using GEBCO Digital Atlas, Centenary Edition 2003
Subsea Cables UK is an industry organisation with the aim of promoting marine safety, safeguarding submarine cables and encouraging excellent practice within the industry. Subsea Cables UK does not broadly differentiate between the Communications, Power and Renewable industry cables as their impact on other seabed stakeholders is so similar. Subsea Cables UK is interested in any cables which land or pass through UK waters including the Exclusive Economic Zone. SOUTH WEST APPROACHES Kingfisher Awareness Chart Kilmore! New Quay! 13°W 30' 12°W 30' 11°W 30' 10°W 30' IRELAN9D°! W 30' 8°W 30' 7°W 30' 6°W 30' 5°W 30' 4°W 30' 3°W C U ! E K L - T I ! I R 52°N C 52°N E Fishguard ( L O A Cork O N REPUBLIC OF IRELAND ! S D ) Saltees Ground + C ! 4 R St. David's 4 O ( 0 S ) S ¥ 8 WALES 4 I ! 5 N 7 G 5 5 2 5 9 + 9 4 Kinsale 9 4 Milford! Haven ! ( 0 ) 2 0 8 Swansea 5 ! Ballycotton Ground 1 Dursey Island ! 0 Turbot Bank 3 1 Our aim is to optimise coexistence and minimise any hazards 1 Oxwich 9 ! P NYMPHE 0 T 520 + A 7 674 30' 4 T 0)20 ! 30' 4 +44( ( IR S Cardiff 0 OLA ) I S 2 S Marine Safety 0 H 7 B Kinsale Head Grounds 6 R S 7 W 4 A BANK 5 N AN 2 C S 0 H E 0 00 The Smalls Ground A/ 452 BR 7 67 EA (0)20 N +4 +44 4(0 ) 0 g 2 207 67452 0 H Se 5200 RT 674 U + O 7 K I N )20 AL (0 G 4 - N 44 U I I + T 4 R M AT OR E T P ( E E P - S K 0 G U L ! E ) P A A O 2 N Lundy Island UR 98 T .E 2 0 6 D W 6 8 A 2 1 T 9 TA 8 C 00 + 5 54 08 R 1 06 0 4 caused by the installation or presence of submarine cables to other sea bed users. -
Six Mathematical Gems from the History of Distance Geometry
Six mathematical gems from the history of Distance Geometry Leo Liberti1, Carlile Lavor2 1 CNRS LIX, Ecole´ Polytechnique, F-91128 Palaiseau, France Email:[email protected] 2 IMECC, University of Campinas, 13081-970, Campinas-SP, Brazil Email:[email protected] February 28, 2015 Abstract This is a partial account of the fascinating history of Distance Geometry. We make no claim to completeness, but we do promise a dazzling display of beautiful, elementary mathematics. We prove Heron’s formula, Cauchy’s theorem on the rigidity of polyhedra, Cayley’s generalization of Heron’s formula to higher dimensions, Menger’s characterization of abstract semi-metric spaces, a result of G¨odel on metric spaces on the sphere, and Schoenberg’s equivalence of distance and positive semidefinite matrices, which is at the basis of Multidimensional Scaling. Keywords: Euler’s conjecture, Cayley-Menger determinants, Multidimensional scaling, Euclidean Distance Matrix 1 Introduction Distance Geometry (DG) is the study of geometry with the basic entity being distance (instead of lines, planes, circles, polyhedra, conics, surfaces and varieties). As did much of Mathematics, it all began with the Greeks: specifically Heron, or Hero, of Alexandria, sometime between 150BC and 250AD, who showed how to compute the area of a triangle given its side lengths [36]. After a hiatus of almost two thousand years, we reach Arthur Cayley’s: the first paper of volume I of his Collected Papers, dated 1841, is about the relationships between the distances of five points in space [7]. The gist of what he showed is that a tetrahedron can only exist in a plane if it is flat (in fact, he discussed the situation in one more dimension). -
CHAPTER 5Morphology of Permanent Molars
CHAPTER Morphology of Permanent Molars Topics5 covered within the four sections of this chapter B. Type traits of maxillary molars from the lingual include the following: view I. Overview of molars C. Type traits of maxillary molars from the A. General description of molars proximal views B. Functions of molars D. Type traits of maxillary molars from the C. Class traits for molars occlusal view D. Arch traits that differentiate maxillary from IV. Maxillary and mandibular third molar type traits mandibular molars A. Type traits of all third molars (different from II. Type traits that differentiate mandibular second first and second molars) molars from mandibular first molars B. Size and shape of third molars A. Type traits of mandibular molars from the buc- C. Similarities and differences of third molar cal view crowns compared with first and second molars B. Type traits of mandibular molars from the in the same arch lingual view D. Similarities and differences of third molar roots C. Type traits of mandibular molars from the compared with first and second molars in the proximal views same arch D. Type traits of mandibular molars from the V. Interesting variations and ethnic differences in occlusal view molars III. Type traits that differentiate maxillary second molars from maxillary first molars A. Type traits of the maxillary first and second molars from the buccal view hroughout this chapter, “Appendix” followed Also, remember that statistics obtained from by a number and letter (e.g., Appendix 7a) is Dr. Woelfel’s original research on teeth have been used used within the text to denote reference to to draw conclusions throughout this chapter and are the page (number 7) and item (letter a) being referenced with superscript letters like this (dataA) that Treferred to on that appendix page. -
Students' Understanding of Axial and Central Symmetry
Full research paper STUDENTS’ UNDERSTANDING OF Vlasta Moravcová* Jarmila Robová AXIAL AND CENTRAL SYMMETRY Jana Hromadová Zdeněk Halas Department of Mathematics ABSTRACT Education, Faculty of Mathematics The paper focuses on students’ understanding of the concepts of axial and central symmetries in and Physics, Charles University, Czech a plane. Attention is paid to whether students of various ages identify a non-model of an axially Republic symmetrical figure, know that a line segment has two axes of symmetry and a circle has an infinite number of symmetry axes, and are able to construct an image of a given figure in central symmetry. * [email protected] The results presented here were obtained by a quantitative analysis of tests given to nearly 1,500 Czech students, including pre-service mathematics teachers. The paper presents the statistics of the students’ answers, discusses the students’ thought processes and presents some of the students’ original solutions. The data obtained are also analysed with regard to gender differences and to the type of school that students attend. The results show that students have two principal misconceptions: that a rhomboid is an axially symmetrical figure and that a line segment has just one axis of symmetry. Moreover, many of the tested students confused axial and central symmetry. Finally, the possible causes of these errors are considered and recommendations for preventing these errors are given. Article history KEYWORDS Received Axial symmetry, central symmetry, circle, geometrical concepts, line segment, rhomboid October 22, 2020 Received in revised form January 19, 2021 HOW TO CITE Accepted Moravcová V., Robová J., Hromadová J., Halas Z. -
Other Marine Users Figures 1 © Wood Group UK Limited
3.7 Volume 3, Chapter 7 Other Marine Users Figures 1 © Wood Group UK Limited Contents Figure 7.1 Other marine users Study Area Figure 7.2 Active marine aggregate license areas Figure 7.3 Marine disposal sites Figure 7.4 Oil and gas structures and other offshore energy Figure 7.5 Military of defence activity areas shown within marine charts Figure 7.6 Subsea cables Figure 7.7 Recreational boating and sailing Figure 7.8 Recreational diving sites Rampion 2 PEIR. Volume 3, Chapter 7: Other marine users Figures 620000 640000 660000 680000 700000 720000 740000 760000 Contains OS data © Crown Copyright and database right 2020 5680000 Key PEIR Assessment Boundary Other marine users Study Area 5660000 5640000 5620000 5600000 Kilometres 02.75 5.5 11 16.5 22 1:500,000 WGS 1984 UTM Zone 30N Transverse Mercator Rampion Extension Development 5580000 Rampion 2 Offshore Wind Farm Figure 7.1 Other marine users Study Area Preliminary Environmental Information Report 5560000 System Identifier: Version: 42285-GOBE-PE-OF-FG-14-6972 1.1 Company: Drawn By: Chk/Aprvd: Drawn Date: Status: GOBE CC NH 23/06/2021 FINAL Document uncontrolled when printed ISO A3 Landscape 640000 660000 680000 700000 720000 740000 760000 Contains OS data © Crown Copyright and database right 2020 © Crown Copyright (2020) 5680000 Key PEIR Assessment Boundary Active marine aggregate licence areas By end of license 2021 5660000 2022 2024 2025+ 5640000 453 460 435/1 488 435/2 5620000 395/1 396/1 351 340 464 458 451 473/2 529 5600000 473/1 1806 1803 Kilometres 1807 025 50 100 150 200 407 -
Eas Waivers Granted
EAS WAIVERS GRANTED Company System Area(s) # of HE's # of subs Archer, FL Citrus/Inverness, FL Dunnellon, FL Key Biscayne, FL Meadow Lakes MHP, FL Tampa, Florida Trenton, FL West Palm Beach (Comcast), FL Elizabeth, IN Cloverport, KY Cromwell, KY Maloneton, KY Nelson, KY Sandy Hook, KY Martha's Vineyard, MA Claremont, NH Moultonborough, NH Bailey, NC Elkin, NC Fountain, NC Halifax, NC Hollister, NC Lake Gaston, NC Laurinburg, NC Mid Lakes, NC Oak City, NC Pine Topps, NC Whitakers, NC Amsterdam, OH Ashley Corner, OH Cadiz, OH Compton Hills MHP, OH Coshocton, OH Crown City, OH Eagles Lake MHP, OH Eureka, OH Freeport Twp., OH Green Lawn MHP, OH Hopedale, OH Jewett, OH Leesville, OH Minerva, OH Pedro, OH Put-n-Bay, OH Riverside, OH Salineville, OH Scio, OH Sebring, OH Cresson, PA Houtzdale OTN, PA Lewistown, PA Mt. Union, PA Philipsburg, PA Rochester, PA South Fork, PA Towanda, PA Bennington, VT Culpeper, VA Adelphia Gordonsville, VA Green Co, VA Hot Spring, VA Communications Palmyra, VA Troutville Hub #1 (Blue Ridge), Virginia Corporation Apple Grove, WV Graysville, WV Sandyville, WV 66 * Village of Ste. Marie, Illinois Village of Willow Hill, Illinois Advanced Technologies Village of Iuka, Illinois 3 129 Arlington, Iowa Aurora, Iowa Colesburg, Iowa Elkport, Iowa Greeley, Iowa Lamont, Iowa Lawler, Iowa Alpine Cable Television, Sherrill, Iowa LLC Westgate, Iowa 9 723 Alsea River Cable TV Butler Peak, Oregon Barcley Meadows, Oregon 2 913 Americable International, Arizona, Inc. and Golden Shores, Arizona Americable Golden Valley, Arizona International, Colorado, Cordes Lakes, Arizona Inc. Peterson AFB, Colorado 4 1,749 American Samoa Cable Pago Pago, American Samoa 1 3,000 Antilles Wireless, L.L.C. -
Quadrilateral Lace Susan Happersett Beacon, NY, USA; [email protected] Abstract
Bridges 2020 Conference Proceedings Quadrilateral Lace Susan Happersett Beacon, NY, USA; [email protected] Abstract This paper will describe the exact procedures I use to draw algorithmically generated mapping patterns in the framework of quadrilaterals. I began with a square format, then rhomboid and trapezoidal. Layering concentric self-similar shapes creates the illusion of 3-dimensional space. Shifting the self-similar shapes out of the concentric order creates the sense of movement across the plane. The development of my lace drawings has been a multi-year process. By a lace pattern, or point-to-point mapping pattern, I mean carefully laying out a collection of points in the plane according to a pattern, and then joining certain pairs of points with line segments, where the pairs to be joined are specified by a definite procedure. The first lace drawings I algorithmically generated were restricted to points on the Cartesian Coordinate system: the x-axis, the y-axis and the lines y = x and y = −x [1]. Expanding on the types of point-to-point mappings I could produce, I decided to use the perimeters of quadrilaterals to assign my points. I began by working with a square with 7 equally distant points on each side. I picked an odd number of points for aesthetic reasons. Four sides on the square, 7 points per side, produces 24 points in total. I wanted a point on the center of each side. Once the parts were defined, I needed to write a rule to define the mapping process to be carried out for each point.