S-knot

S-knot

In loop quantum gravity, an s-knot is an equivalence class of spin networks under diffeomorphisms.

External links

* "Living Reviews in Relativity:" [http://relativity.livingreviews.org/open?pubNo=lrr-1998-1&page=node21.html Loop Quantum Gravity: Diffeomorphism invariance]


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  • Knot — (n[o^]t), n. [OE. knot, knotte, AS. cnotta; akin to D. knot, OHG. chnodo, chnoto, G. knoten, Icel. kn[=u]tr, Sw. knut, Dan. knude, and perh. to L. nodus. Cf. {Knout}, {Knit}.] 1. (a) A fastening together of the parts or ends of one or more… …   The Collaborative International Dictionary of English

  • Knot tying — consists of the techniques and skills employed in tying a knot in rope, nylon webbing, or other articles.The tying of a knot may be very straightforward (such as with an overhand knot), or it may be more complicated, such as a monkey s fist knot …   Wikipedia

  • Knot garden — Knot gardens were first established in the UK in the reign of Queen Elizabeth I.A knot garden is a very formal design of garden in a square frame and grown with a variety or aromatic plants and culinary herbs including Germander, marjoram, thyme …   Wikipedia

  • knot — [nɒt ǁ nɑːt] noun 1. tie the knot JOURNALISM if two companies tie the knot, they join and become one company; = MERGE: • Banks across the country tied the knot as a way to cut costs and boost earnings. 2. [countable] a measurement of the speed at …   Financial and business terms

  • knot — I {{/stl 13}}{{stl 8}}rz. mos IIIb, Mc. knocie {{/stl 8}}{{stl 7}} mały chłopiec, szkrab, malec : {{/stl 7}}{{stl 10}}Był tam taki mały knot. {{/stl 10}}{{stl 20}} {{/stl 20}} {{stl 20}} {{/stl 20}}knot II {{/stl 13}}{{stl 8}}rz. mnż I, D. a, Mc …   Langenscheidt Polski wyjaśnień

  • knot — knot1 [nät] n. [ME knotte < OE cnotta, akin to Du knot, Swed knut, Ger knoten < IE * gn eu t < base * gen , to press together > KNOB, KNEAD] 1. a lump or knob in a thread, cord, etc., formed by passing one free end through a loop and… …   English World dictionary

  • Knot — Knot, v. t. [imp. & p. p. {Knotted}; p. pr. & vb. n. {Knotting}.] 1. To tie in or with, or form into, a knot or knots; to form a knot on, as a rope; to entangle. Knotted curls. Drayton. [1913 Webster] As tight as I could knot the noose. Tennyson …   The Collaborative International Dictionary of English

  • knot — ► NOUN 1) a fastening made by looping a piece of string, rope, etc. on itself and tightening it. 2) a tangled mass in hair, wool, etc. 3) a protuberance in a stem, branch, or root. 4) a hard mass in wood at the intersection of a trunk with a… …   English terms dictionary

  • Knot — Knot, v. i. 1. To form knots or joints, as in a cord, a plant, etc.; to become entangled. [1913 Webster] Cut hay when it begins to knot. Mortimer. [1913 Webster] 2. To knit knots for fringe or trimming. [1913 Webster] 3. To copulate; said of… …   The Collaborative International Dictionary of English

  • Knot density — is a traditional measure for quality of handmade carpets. It refers, quite simply, to the number of knots per unit of surface area typically either per square inch or per square centimeter.For two carpets of the same age and similar design, the… …   Wikipedia

  • knot — [n1] bow, loop bond, braid, bunch, coil, connection, contortion, entanglement, gnarl, helix, hitch, joint, kink, ligament, ligature, link, mat, nexus, perplexity, rosette, screw, snag, snarl, spiral, splice, tangle, tie, twirl, twist, vinculum,… …   New thesaurus

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