On the Infinite Loch Ness monster
نویسندگان
چکیده
منابع مشابه
The Case for the Loch Ness “Monster”: The Scientific Evidence
Loch Ness Monsters (Nessies) are–if they exist–animals of a species either not yet known to science or known but thought to have been long extinct. Much controversy has concerned eyewitness testimonies and photographs whose relevance and validity are uncertain. However, there also exists a body of objective evidence that critics have been unable to gainsay: the Dinsdale film; numerous sonar ech...
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Receiving a referral letter to see a patient with patellofemoral syndrome causes a feeling of heart-sink in most orthopaedic surgeons. It predicts an unhappy patient, a prolonged clinic appointment, and an unsatisfactory outcome. Especially as a reliable operation is an unlikely management outcome. Orthopaedic surgeons tend to be mechanically minded and see their main task as correcting abnorma...
متن کاملCommon Knowledge about the Loch Ness Monster: Television, Videos, and Films
Seventeen documentary films and videos about the Loch Ness Monster (Nessie) have been produced since 1972 for English-speaking audiences. All but two of them fail to do justice to the objective scientific evidence of film, sonar, and underwater photography with simultaneous sonar detection. Moreover, the programs promulgate numerous errors of fact and of interpretation. The view as to whether N...
متن کاملVeech Groups of Loch Ness Monsters
— We classify Veech groups of tame non-compact flat surfaces. In particular we prove that all countable subgroups of GL+(2, R) avoiding the set of mappings of norm less than 1 appear as Veech groups of tame non-compact flat surfaces which are Loch Ness monsters. Conversely, a Veech group of any tame flat surface is either countable, or one of three specific types. Résumé. — Nous classifions les...
متن کاملInfinite Genus Surfaces and Irrational Polygonal Billiards
We prove that the natural invariant surface associated with the billiard game on an irrational polygonal table is homeomorphic to the Loch Ness monster, that is, the only orientable infinite genus real topological surface with exactly one end.
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ژورنال
عنوان ژورنال: Commentationes Mathematicae Universitatis Carolinae
سال: 2018
ISSN: 0010-2628,1213-7243
DOI: 10.14712/1213-7243.2015.227