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geometer
geometer (dʒiːˈɒmɪtə(r)) [ad. L. geōmetra, -metrēs, a. Gr. γεωµέτρης land-measurer, geometrician, f. γεω- geo- + -µέτρης measurer. Cf. F. géomètre.] 1. One who studies, or is skilled in, geometry.1483 Cath. Angl. 153/2 A Geometer (Add. MS. Gemitrician), geometer. 1553 N. Grimalde Cicero's Offices ii...
Oxford English Dictionary
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Robert Williams (geometer)
Robert Edward Williams (born 1942) is an American designer, mathematician, and architect. He is noted for books on the geometry of natural structure, the discovery of a new space-filling polyhedron, the development of theoretical principles of Catenatic Geometry, and the invention of the Ars-Vivant ...
wikipedia.org
en.wikipedia.org
Species Haematopis grataria - Chickweed Geometer - Hodges#7146 - BugGuide
Jan 15, 2024Upcoming Events Registration is open for the 2024 BugGuide gathering in Idaho July 24-27 Moth submissions from National Moth Week 2023 Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24 Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2 Photos of insects and people from ...
bugguide.net
Perseus (geometer)
Perseus (; c. 150 BC) was an ancient Greek geometer, who invented the concept of spiric sections, in analogy to the conic sections studied by Apollonius
wikipedia.org
en.wikipedia.org
Ammon (geometer)
Ammon (Greek ) was a geometrician who made a measurement of the walls of Rome, around the time of the first invasion of the Goths, that is, the 3rd century AD, and found them to be 21 miles in circumference. References 3rd-century Romans
Ancient Roman civil engineers
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en.wikipedia.org
Species Patalene olyzonaria - Juniper-twig Geometer - BugGuide
Dec 18, 2022Adult: color variably orangish, pinkish, or reddish-brown. Forewing hooked at tip, moreso in female than in male. Postmedial line prominent and sharp, hooking back near costa. Discal dot on forewing situated closer to AM line than PM line, sometimes almost touching AM line. Some specimens have two large dark spots in lower subterminal area of ...
bugguide.net
Where do we need the axiom of choice in Riemannian geometry? A friend of mine is a differential geometer, and keeps insisting that he doesn't need the axiom of choice for the things he does. I'm fairly certain that's ...
It looks to me like the Arzela\--Ascoli theorem needs at least some weak form of choice. (I have started an MO question to clarify this.) One often uses this in geometry; for example, to guarantee the existence of minimizing geodesics connecting pairs of points. Edit: See Andres Caicedo's answer on ...
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Axiagasta (geometer moth)
Axiagasta is a genus of moths in the family Geometridae. Species Axiagasta rhodobaphes Turner, 1930 References Axiagasta at Markku Savela's Lepidoptera and Some Other Life Forms Oenochrominae
Geometridae genera
wikipedia.org
en.wikipedia.org
What is the quadrilateral formed by the angle bisectors of a parallelogram? I have drawn a few parallelograms and their angle bisectors in Geometer's Sketchpad. The quadrilateral looks to me to be a rectangle but how ...
Let $P$ and $Q$ be adjacent corners of a parallelogram, and let those angles have measure $p$ and $q$. Let $R$ be the point at which the angle bisectors at $P$ and $Q$ meet. In $\triangle PQR$, we have $$180^\circ = \angle R + \angle RPQ + \angle RQP = \angle R + \frac{1}{2}p + \frac{1}{2}q = \angle...
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The Blind Geometer
"The Blind Geometer" is a 1986 science fiction story by American writer Kim Stanley Robinson. It was published by Asimov's Science Fiction. Reception
"The Blind Geometer" won the Nebula Award for Best Novella in 1987, and was a finalist for the 1988 Hugo Award for Best Novella.
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Zero-section as homomorphism of rings Let $s : X \to E$ be the zero section of a vector bundle $E$ over a scheme $X$. Zariski-locally this corresponds to a homomorphism $Sym_A(M) \to A$ of $A$-algebras where $M$ is a ...
Yes, that's correct. This is just the algebra homomorphism $\mathrm{Sym}_A(M) \to \mathrm{Sym}_A(0)$ induced by the module homomorphism $M \to 0$. You can also write down the addition on $E/X$, this corresponds to the algebra homomorphism $\mathrm{Sym}_A(M) \to \mathrm{Sym}_A(M) \otimes_A \mathrm{Sy...
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The Geometer's Sketchpad
Features
The Geometer's Sketchpad includes the traditional Euclidean tools of classical geometric constructions. The Geometer's Sketchpad can measure lengths of segments, measures of angles, area, perimeter, etc.
wikipedia.org
en.wikipedia.org
A $C$-closed but non-Zariski-closed subgroup of an algebraic group Let $G$ be an algebraic group, i.e., a topological group homeomorphic to an algebraic variety. In particular, $G$ is a topological manifold. Let $H\su...
The easiest example I can think of where both fail miserably is $S^1\subseteq\mathbb C-\\{0\\}$ under multiplication, where we treat $\mathbb C-\\{0\\}$ as a complex variety. $S^1$ is uncountably infinite, whereas the proper Zariski closed subsets are finite. The quotient is the group of positive re...
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Geometer S Sketchpad 5.06 Keygen - Telegraph
Jun 19, 2022Because we have completed books from world authors from many countries, you... the geometers sketchpad learning guide version 3 Reading a book as this the geometers sketchpad learning guide version 3. Sketchpad几何画板 v5.0.6.5 破解纯净版(附安装教程),几何画板破解版（英语：T >>>>> DOWNLOAD: Geometer S Sketchpad 5.06 Keygen
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Home - The Geometer's Sketchpad Resource Center
Welcome to The Geometer's Sketchpad ® Resource Center. This Resource Center supports users of the award-winning Dynamic Geometry ® mathematics visualization software, The Geometer's Sketchpad.. Get Sketchpad: Learn more about how to get started using Sketchpad, or how to purchase it.; Visit our popular pages:
www.dynamicgeometry.com