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Topic: Rig (algebra)


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In the News (Wed 11 Nov 09)

  
  Rig (algebra)
In abstract algebra, a rig is an algebraic structure, similar to a ring, but without an analogue of subtraction.
In particular, a Boolean algebra is a rig under these operations (as well as a Boolean ring under different operations).
Some mathematicians go so far as to say that rigs are really the more fundamental concept, and specialising to rings should be seen in the same light as specialising to, say, algebras over the complex numbers.
www.ebroadcast.com.au /lookup/encyclopedia/ri/Rig_(algebra).html   (491 words)

  
 Rig - Biocrawler   (Site not responding. Last check: 2007-10-13)
Rigging is the arrangement of sails on a sailing vessel.
An oil rig or drilling rig is a structure housing equipment used to drill for and extract oil from underground oil reservoirs.
In computer animation, parts of a 3D model are rigged so that an animator can easily select and move parts of the model (such as an arm or leg) without having to painstakingly select every single vertex in the desired part.
www.biocrawler.com /encyclopedia/Rig   (239 words)

  
 Rigging Safety -- Recommendations and Resources   (Site not responding. Last check: 2007-10-13)
Rigging (Anglo-Saxon ''wrigan'' or ''wrihan'', to clothe) denotes a ship's apparatus of spars (including both masts and yards), sails and cordage, by which the force of the wind is used to move the hull against the resistance, and with the support, of the water.
A ship is not rigged until she is provided with all the spars, sails and cordage required to move and control the hull.
The ''Rig Veda'' ''ऋग्वेद'' (Sanskrit ''ṛc'' 'praise' + ''veda'' 'knowledge') is the earliest of the four Hindu religious scriptures known as the ''Vedas''.
www.becomingapediatrician.com /health/127/rigging-safety.html   (1214 words)

  
 Highbeam Encyclopedia - Search Results for algebra
in algebra, set of elements (usually numbers) that may be combined under the operations of addition and multiplication so that it constitutes an additive group, the nonzero elements form a multiplicative group, and multiplication distributes over addition.
In modern algebra, a system consisting of a set of elements and an operation for combining the elements, which together satisfy certain axioms.
Field of mathematics that incorporates the methods of algebra and calculus —specifically of limit s, continuity, and infinite series —to analyze classes of function s and equation s having general properties (e.g., differentiability).
www.encyclopedia.com /SearchResults.aspx?Q=algebra&StartAt=21   (921 words)

  
 Science, Medicine, Technology in Ancient India - Crystalinks
Mathematics - Vedic literature is replete with concepts of zero, the techniques of algebra and algorithm, square root and cube root.
The success of Indian mathematics was mainly due to the fact that Indians had a clear conception of the abstract number as distinct from the numerical quantity of objects or spatial extension.
Algebraic theories, as also other mathematical concepts, which were in circulation in ancient India, were collected and further developed by Aryabhatta, an Indian mathematician, who lived in the 5th century, in the city of Patna, then called Pataliputra.
www.crystalinks.com /indiascience.html   (2752 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal
In abstract algebra, a semiring is an algebraic structure similar to a ring, but without additive inverses.
A Kleene algebra is an idempotent semiring R with an additional unary operator * : R → R called the Kleene star.
Kleene algebras are important in the theory of formal languages and regular expressions.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=rig_(algebra)   (818 words)

  
 YourArt.com >> Encyclopedia >> rig   (Site not responding. Last check: 2007-10-13)
A type of horse drawn carriage in the U.S. An oil rig or drilling rig is a structure housing equipment used to drill for and extract oil from underground oil reservoirs.
Rig (skydiving), a harness/container or a full parachute system including a harness/container, a main parachute, a reserve parachute and an Automatic Activation Device
Rig (band), a musical group of the early 1970s
www.yourart.com /research/encyclopedia.cgi?subject=/rig   (177 words)

  
 Algebra Review
When it comes to flat field soaring though, I have for many years relied solely on the faithful Osprey 100 and so the idea of the Algebra was to have something to cope with windier flat field conditions which would also serve as an alternative to a pure floater in light conditions at the slope.
As with many 'cottage industry' produced kits, the Algebra is packed in a plain brown cardboard box.
I still have had no opportunity to fly the Algebra from the flat, so it is too soon to say whether it will meet the original need of providing a competitive thermal soarer in a bit of a blow.
homepage.mac.com /trevorhewson/home/modelflying/soarers/algebrareview.htm   (1473 words)

  
 rig - OneLook Dictionary Search
RIG : Technical Glossary of Theatre Terms [home, info]
RIG : DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations [home, info]
Phrases that include rig: jury rig, drilling rig, fore and aft rig, rig up, gaff rig, more...
www.onelook.com /?ls=b&w=rig   (432 words)

  
 Mathemajik:Ancient India's Contribution to Mathematics
Algebra is a short-hand method of calculation and by this feature it scores over conventional arithmetic.
But whatever the origin of algebra, it is certain that this technique of computation Originated in India and was current around 1500 years back.
Algebra as we know it today has lost any characteristics that betray it eastern origin save the fact that the tern 'algebra' is a corruption of the term 'Al jabr' which the Arabs gave to Bijaganitam Incidentally the term Bijaganit is still use in India to refer to this subject.
mathemajik.tripod.com /article/mathematics.html   (2046 words)

  
 Kite Aerial Photography Electronic Resources--How Much Weight Can My Kite Lift?-KAPER
As the angle to the KAP Rig approaches the Kite angle the amount of pull necessary to lift the rig becomes very large.
The horizontal graph scale indicates a 50° angle to the KAP Rig (angle R in diagram) and the vertical scale indicates that the kite pull multiplier is about 3.75.
intersects the 40° and 45° curves at angles to the rig of 32° and 37° which is acceptable.
www.fortunecity.com /marina/nelson/479/lifting_R.html   (1942 words)

  
 IFA FA
Although some later expository material seems to me to be consistent with the fundamental wisdom of the Vedas, I do not think that some other later material, such as, for example, the caste system of orders of human beings, is consistent with the fundamental wisdom of the Vedas.
In my opinion, the Rig Veda may be the earliest reduction to writing of the original African-based orally transmitted early global wisdom of IFA = VoDou, and, as the earliest, it may be the most nearly complete written description of that wisdom.
Ninety-five percent of the verses of Sama Veda Samhita are in Rig Veda Samhita.
www.valdostamuseum.org /hamsmith/RgVeda.html   (5767 words)

  
 Rigging Books, Cards and Programs
Tables for cable sag, rated capacities of equipment, common rigging formulae and bridle leg tables are all given, as well as weights and measures for everything from motors to gravel ballast.
The rigging methods described in the book are based on current practices and common problems, and are written with the interests and abilities of riggers in mind.
Entertainment Rigging: A Guide for Riggers, Designers, and Managers is a self-published book, but that should be taken as an indication of the small size of the rigging book market and of the entrepreneurial spirit of the author, not of the book's worth.
www.riggingbooksandprograms.com /reviews.htm   (4004 words)

  
 Gig Rig
2) " Rig" -- In the context of Gig Rig
Rigging is the arrangement of sails on asailing vessel.
An oil rig or drilling rig is a structure housing equipment used to drillfor and extract oil from underground oil reservoirs.
www.lottery-news.net /dust7717-gig_rig.html   (137 words)

  
 Chapter 4 - Scientific Temper and Vedic Science
Rig -Veda (5-48-2) advises all human beings should make efforts to be in the company of the enlightened savants and obtain the knowledge of all kinds of physical sciences.
Rig Veda 1-2-7 refers to the property of rusting the base metals due to the presence of oxygen in water and the pure energy in water is Kinetic energy.
Rig Veda 10-87-3 and 2-14-3 and many other hymns describe the professions and activities of sorcerers, magicians, all those who spread mythology for vested interests and other non scientific blind faith as the followers of non divine Varna and they are described as
www.sabhlokcity.com /metaphysics/chapter4.html   (12536 words)

  
 Hindu Wisdom - Advanced_Concepts
The Rig Veda is the oldest Indian text and one of the oldest surviving in the world.
In fact, the Rig Veda shorn of its allegory and metaphorical camouflage, is the oldest textbook of modern astronomy.
The Rig Veda repeatedly refers to Earth and the heavens as "bowls" thus suggesting that the sphericity of Earth was recognized.
www.hinduwisdom.info /Advanced_Concepts.htm   (10366 words)

  
 [math/0601458] Categorified Algebra and Quantum Mechanics
Examples include the interpretation of N as the Burnside rig of the category of finite sets with product and coproduct, and the interpretation of N[x] as the category of combinatorial species.
This has interesting applications to quantum mechanics, and in particular the quantum harmonic oscillator, via Joyal's ``species'', a new generalization called ``stuff types'', and operators between these, which can be represented as rudimentary Feynman diagrams for the oscillator.
In quantum mechanics, we want to represent states in an algebra over the complex numbers, and also want our Feynman diagrams to carry more structure than these ``stuff operators'' can do, and these turn out to be closely related.
arxiv.org /abs/math.QA/0601458   (254 words)

  
 Amazon.com: Unknown Quantity: A Real And Imaginary History of Algebra: Books: John Derbyshire   (Site not responding. Last check: 2007-10-13)
The story of algebra is the story of civilization itself.
Especially interesting is the material on Vector Spaces and Algebras, the introduction to Hamiltonian Quaternions, Rings and Fields (with the vista of Abstract Algebra just over the hill) and a short introduction to Algebraic Geometry.
If you're like most folks, you took algebra in high school and within a week you learned to stop wondering "why" something was like it was or how "they" figured out some rather abstract idea.
www.amazon.com /Quantity-Real-Imaginary-History-Algebra/dp/030909657X   (2560 words)

  
 Math and Science
According to the author, it was Indian mathematicians, not Arab, who made the contributions to advanced mathematics with algebra and trigonometry.
In the United States and much of the world, we use what is called "Arabic numerals" [0, 1, 2, 3, etc. with place values], but the Arabs adapted their numbers and the concept of zero from India.
In India the first references to astronomy are to be found in the Rig Veda which is dated around 2000 B.C. Vedic Aryans worshipped the Sun, Stars and Comets as gods and goddesses.
www.sfusd.k12.ca.us /schwww/sch618/India/Math_and_Science.html   (1210 words)

  
 Hermann Grassmann Summary
Grassmann's conception of n-dimensional vector spaceand multi-linear algebra, laid out in his monumental work Die Lineale Ausdehnungslehre, were ahead of his time but had great impact once they were grasped by late 19th- and early 20th-century mathematicians.
In addition, his development of what he called "external algebra" was adapted by William Clifford to form what is now the mathematical basis for relativistic quantum mechanics.
Grassmann then showed that once geometry is put into the algebraic form he advocated, then the number three has no privileged role as the number of spatial dimensions; the number of possible dimensions is in fact unbounded.
www.bookrags.com /Hermann_Grassmann   (2736 words)

  
 Algebra - Math for Kids - Science - AllExperts.com
A: Since 7/8 of the tickets have been sold, that means that 1/8 of the tickets is equal to 560.
Q: junior drove his rig on Interstate 10 from San Antonio to El Paso.
A: When there are fractions involved, multiplying both sides of the equation by the least common...
en.allexperts.com /q/Algebra-2061/index_26.htm   (1489 words)

  
 Philosophy of Real Mathematics: May 2006
Something that might win over more people to higher-dimensional algebra would be the discovery of something as *concrete* as Bessel functions in their role as matrix elements of representations of important Lie groups.
For a pithier example from higher-dimensional algebra: "All interesting equations are lies.", i.e., should be seen as projections of isomorphisms, or higher equivalences.
I shall address this question in the context of a research programme known as 'higher-dimensional algebra', and consider the charge mathematicians may make in return that historians are unable to treat research programmes which run for decades, supported by tens or hundreds of mathematicians from many countries and institutions.
www.dcorfield.pwp.blueyonder.co.uk /htdocs/2006_05_01_archive.html   (8705 words)

  
 Mathematics
Consequently, the times of ancient astronomers and mathematicians had to be moved into the Christian era.
Another ambitious and influential Indologist, Max Mueller, concocted the age of the Rig Veda to be 1200 B.C., with the stipulation it was written by nomadic Aryans (riding on horseback, presumably with a mobile library).
But in the occidental scholarship, Aryabhatta's year of birth was changed to 476 C.E. with the misreading of his epoch-making Aryabhatteeum.
www.tlca.com /adults/origin-math.html   (875 words)

  
 rig | Latin | Dictionary & Translation by Babylon
Ríg is the name applied to a Norse god described as "old and wise, mighty and strong" in the Eddic poem Rígthula (Old Norse Rígþula - Song of Ríg).Ríg wandered through the world and brought into being (apparently by fathering them) the progenitors of the three classes of human beings as conceived by the poet.
Rígsþula (Rigstula) is in de Edda het Lied van Rig.
Dit zijn volgens Rig: de knechten (handwerklieden), de boeren (voedselproducenten), en de edelen (bestuurders, beschermers en strijders).
www.babylon.com /definition/rig/Latin   (354 words)

  
 11fall~1.htm Using Spreadsheets in Algebra and Pre-Algebra
The structure of the spread-sheet should be similar to the way the teacher actually computes his or her grades.
The sample spreadsheet is based on Professor Cal Q. Lator's grades for his 3rd Period Algebra I class.
In the real world, population growth of any one type of living thing is usually kept under control by such factors as living space, available food, oxygen, stress, and relationships with other organisms.
www.woodrow.org /teachers/mi/1993/11fall.html   (3280 words)

  
 Mathematics & Science
The earliest textual source is the Rig Veda which is a compilation of very early material.
The recent discovery that Sarasvati, the preeminent river of the Rig Vedic times, went dry around 1900 BC due to tectonic upheavals implies that the Rig Veda is to be dated prior to this epoch.
According to traditional history, Rig Veda is prior to 3100 BC.
www.bsna.org /bzine-m/jan2k1/bvani-y2k/math-science.htm   (1887 words)

  
 Powell's Books - Linear Groups with an Exposition of Galois Field Theory (Dover Phoenix Editions) by Leonard Eugene ...
Algebraic Equations: An Introduction to the Theories of Lagrange and Galois
Hailed as a milestone in the development of modern algebra, this classic exposition of the theory of groups is well within the range of graduate students.
Its particular value lies in its attention to practical applications: the theory of the solvability of equations, theory of differential equations, complex number systems, and the foundations of geometry, where Euclidean or parabolic geometry, elliptic geometry, and hyperbolic geometry can be completely characterized by groups.
www.powells.com /biblio?isbn=9780486495484   (717 words)

  
 Music and Physics
This writing is perfectly adapted to associative algebra in the sense that the associativity condition simply means that a product of elements of an associative algebra can be written without the encumbrance of parentheses.
a non-commutative algebra naturally engenders a one-parameter group of automorphisms that makes it evolve, that makes it rotate in such a way that the passage from xy to yx corresponds to what evolution yields for the purely imaginary value t = sqrt(-1) of the parameter t of the evolution group.
introduce evolution only after choosing a state in the algebra, but the evolution obtained is modified only by inner automorphisms and these are in a certain sense invisible.
www.valdostamuseum.org /hamsmith/musPhys.html   (6739 words)

  
 rig - OneLook Dictionary Search
Tip: Click on the first link on a line below to go directly to a page where "rig" is defined.
Phrases that include rig: jury rig, cat rig, fore and aft rig, drilling rig, drill rig, more...
Words similar to rig: getup, carriage, equipage, manipulate, outfit, rigged, rigging, semi, set, equip, fix, gear, seni, set up, tackle, more...
www.onelook.com /?w=rig&ls=a   (415 words)

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