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Klein quartic chromatic number

WebJun 11, 2016 · For a periodic graph we can define a genus, g, as the chromatic number of the quotient graph, i.e., ... This is a tiling of a finite genus 3 surface by 24 regular heptagons. Unfortunately the surface, the Klein quartic [22, 23], is non-Euclidean so hard to illustrate. However, the graph is just that of the unlabeled quotient graph which has an ... WebJun 30, 2015 · A great reference for the material I'm discussing here is Elkies' notes on the number theoretic properties of the Klein quartic. Short explanation for ( ∗) Set X = {(u: v: w): u + v + w = 0} ⊂ P2. There is a map ϕ: K → X given by ϕ(x: y: z) = (x3y: y3z: xz3). This is a 7 to 1 covering, branched over (1: − 1: 0), (0: 1: − 1) and ...

Action of the automorphism group on the Jacobian of Klein

WebThis graph is a 3-regular graph with 56 vertices and 84 edges, named after Felix Klein.It is a Hamiltonian graph. It has chromatic number 3, chromatic index 3, radius 6, diameter 6 and girth 7. It is also a 3-vertex-connected and a 3-edge-connected graph.It has book thickness 3 and queue number 2.. It can be embedded in the genus-3 orientable surface (which can be … WebKlein's quartic is an amazingly symmetrical thing: it has 336 symmetries if we include reflections, or half that many — 168 — if we don't. These numbers look pretty weird, but … toowoomba fish and chips shops https://nhoebra.com

Chromatic numbers of 6-regular graphs on the Klein bottle

WebSolution: In the above cycle graph, there are 3 different colors for three vertices, and none of the adjacent vertices are colored with the same color. In this graph, the number of vertices is odd. So. Chromatic number = 3. Example 2: In the following graph, we have to determine the chromatic number. WebKlein quartic Khas been conjectured to maximize 1 in [Coo18, Conjecture 5.2]. Numerical calculations from [Coo18, Table D.1] suggest that 1(K) ˇ2:6767 and m 1(K) = 8 = 2g+ 2: In … WebGeometrically, Klein’s highly symmetrical quartic can bee seen as a hyperbolic “Platonic” solid of genus 3. It is a completely regular 2-manifold composed of 24 heptagons, 84 edges, and 56 valence-3 vertices. Embedded in 4-dimensional space it exhibits 168 automorphisms and 168 anti-automorphisms (mirrored mappings). toowoomba flexi school website

arXiv:2111.14699v1 [math.GT] 29 Nov 2024

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Klein quartic chromatic number

Klein’s Quartic Curve — Greg Egan

Webthe chromatic number of any 6-regular Klein bottle graph is at least 3 and at most 6. The following is an immediate consequence of Theorem 5, since a unique 6-chromatic 6 … WebThe minimality component of chromatic numbers is useful for proving many basic theorems quickly, as it allows a focus on extreme, instead of general, cases (here, graph colorings that minimize the number of colors). It is for precisely that reason that mathematicians prefer such definitions.

Klein quartic chromatic number

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WebOct 1, 2009 · Therefore, K is a 5-chromatic even triangulation on the Klein bottle which does not satisfy Theorem 1.3, but K has a separating essential cycle 2, 3, 6 and hence K has … WebMar 13, 2024 · The illustrations above show a number of hyperbolic tilings, including the heptagonal once related to the Klein quartic. Escher was fond of depicting hyperbolic tilings, including "Circle Limit I" (Bool et al. 1982, p. 319), "Circle Limit III" (Bool et al. 1982, pp. 97 and 320), and "Circle Limit IV" (Bool et al. 1982, pp. 98 and 322).

The Klein quartic can be viewed as a projective algebraic curve over the complex numbers C, defined by the following quartic equation in homogeneous coordinates [x:y:z] on P (C): $${\displaystyle x^{3}y+y^{3}z+z^{3}x=0.}$$ The locus of this equation in P (C) is the original Riemannian surface that Klein … See more In hyperbolic geometry, the Klein quartic, named after Felix Klein, is a compact Riemann surface of genus 3 with the highest possible order automorphism group for this genus, namely order 168 orientation … See more It is important to distinguish two different forms of the quartic. The closed quartic is what is generally meant in geometry; topologically it has … See more The Klein quartic admits tilings connected with the symmetry group (a "regular map" ), and these are used in understanding the symmetry group, … See more Little has been proved about the spectral theory of the Klein quartic. Because the Klein quartic has the largest symmetry group of surfaces in its topological class, much like the See more The compact Klein quartic can be constructed as the quotient of the hyperbolic plane by the action of a suitable Fuchsian group Γ(I) … See more The Klein quartic can be obtained as the quotient of the hyperbolic plane by the action of a Fuchsian group. The fundamental domain is a regular 14-gon, which has area $${\displaystyle 8\pi }$$ by the Gauss-Bonnet theorem. This can be seen in the adjoining … See more The Klein quartic cannot be realized as a 3-dimensional figure, in the sense that no 3-dimensional figure has (rotational) symmetries equal to … See more WebKlein’s quartic curve is a surface of genus 3, which is to say that it is like a 3-holed torus. As well as having that topology, the surface has a metric (a definition of distances and …

WebOutline Introduction Automorphism Group Aut(X) of the Klein Quartic XAut(X) is a simple group of order 168The Klein Quartic Theorem. (Klein, 1879) Assume char k ̸= 3. If X is the curve given by x3y +y3z +z3x = 0; the group Aut X is the simple group of order 168, whose order is the maximum 84(g −1) allowed by curves of genus 3.Note. WebSee here a general method to create a Klein bottle. The Möbius strip is a one-sided surface (with one face), therefore is not orientable, of genus 2, zero Euler characteristic , and …

WebUnlike quadratic, cubic, and quartic polynomials, the general quintic cannot be solved algebraically in terms of a finite number of additions, subtractions, multiplications, …

WebThe Klein Quartic in Number Theory NOAM D. ELKIES Abstract. We describe the Klein quartic X and highlight some of its re-markable propertiesthat are of particularinterest in … toowoomba floods youtubeWebKlein’s quartic curve is a surface of genus 3 (a three-holed torus) of constant negative curvature. It can be constructed by specifying a 14-gon in the hyperbolic plane and … toowoomba florists that deliverWebThe name \Klein quartic" or \Klein curve" refers to an algebraic description of the ideal surface that the sculpture represents, determined by the equation x3y+y3+x= 0. (This equation is called a quartic or 4th-degree equation because the highest termx3yhas 3x’s and 1y, making degree 4 in all.) pia airlines contact number dubaiThis is a 3-regular (cubic) graph with 56 vertices and 84 edges, named after Felix Klein. It is Hamiltonian, has chromatic number 3, chromatic index 3, radius 6, diameter 6 and girth 7. It is also a 3-vertex-connected and a 3-edge-connected graph. It has book thickness 3 and queue number 2. It can be embedded in the genus-3 orientable surface (which can be represented as the Klein quartic), … toowoomba financial planning servicesWebWe describe the Klein quartic X and highlight some of its remarkable properties that are of particular interest in number theory. These include extremal properties in … piaa jr high weight classesWebthe chromatic number of any 6-regular Klein bottle graph is at least 3 and at most 6. The following is an immediate consequence of Theorem 5, since a unique 6-chromatic 6-regular graph Kh(2,3) is non-simple and contains K6 as a subgraph. Corollary 6 Every 6-regular simple graph on the Klein bottle is 5-colorable. More- toowoomba flexi schoolWebMore concretely, the Klein quartic is obtained by taking an smooth punctured Riemann surface (call it X) and then filling in the punctures. The punctured Riemann surface is X is … pia airline website