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Topic: Cycle graphs


Related Topics

  
  Graph Database and Graph Generation
They are, in order: the order of the graph, its degree, the number of common neighbours to each pair of adjacent vertices, and the number of common neighbours to each pair of non-adjacent vertices.
F: The graphs in F must be in either of the output formats Graph6 or Sparse6.
As mentioned there, the graphs in the graph stream must be in either of the output formats Graph6 or Sparse6.
www.umich.edu /~gpcc/scs/magma/text1198.htm   (1042 words)

  
  Cycle Graph -- from Wolfram MathWorld
A cycle graph of a group is a graph which shows cycles of a group as well as the connectivity between the cycles.
Cycle graphs are generally drawn without a self-loop from the identity element to itself, but also without any implicit subcycles.
For instance, the cycle graph of the cyclic group
mathworld.wolfram.com /CycleGraph.html   (289 words)

  
 Search ScienceWorld
A self-complementary graph is a graph which is isomorphic to its graph complement.
The center of a graph G is the set of vertices of graph eccentricity equal to the graph radius (i.e., the set of central points).
An odd graph O_n is a graph having vertices given by the n-1-subsets of {1,...,2n-1} such that two vertices are connected by an edge iff the associated subsets are disjoint (Biggs 1993).
scienceworld.wolfram.com /search/index.cgi?num=&q=Node&start=100   (494 words)

  
 [No title]
One component graph is produced for each level of the grouping variable (or user-defined subset of data) and all the component graphs are arranged in one display to allow for comparisons between the subsets of data (categories).
One component graph is produced for each level of the grouping variable (or user-defined subset of data) and all the component graphs are arranged in one display to allow for comparisons between the subsets of data (categories) (see graph number 1, below).
In this type of graph, a surface (defined by a smoothing technique or user-defined mathematical expression) is fitted to the categorized data (variables corresponding to sets of XYZ coordinates, for subsets of data determined by the selected categorization method) arranged in one display to allow for comparisons between the subsets of data (categories).
www.statsoft.com /textbook/glosc.html   (7574 words)

  
 [No title]
For example, the difference graph (7;1) is the septagon, the difference graph (7;2) is a fat seven-pointed star, the difference graph (7;3) is a sharp seven- pointed star, and the difference graph (7;1,2) is K7 less the sharp star.
The graph list may be rotated left or right, graphs may be deleted or have their properties summarized, and new graphs may be added either by creation within the EG session or by importation from a file.
The complement of a graph G is a graph whose edges are all the non-edges of G. For example, the complement of a complete graph is an empty graph, and vice versa.
orion.math.iastate.edu /danwell/eg3.hlp   (3380 words)

  
 TFX Engine Technology - Nitromethane Engine Combustion Data
A substantial amount of cycle to cycle variation in the combustion process results in the torque for cylinder 1 varying by +/-10 % from cycle to cycle in addition to deterioration of the combustion process with time.
The combustion pressure graphs of Cycle 195 (2.568 seconds into the run) are shown for the first instrumented cylinder (light blue line) and the second instrumented cylinder (dark blue line).
Near the beginning of the run peak pressures per cycle were 3500-4000 psi and near the end of the run peak pressures were 1000-1500 psi as the combustion process became unstable.
www.tfxengine.com /NitroEngineData.html   (684 words)

  
 CSC-152 99F : Class 50: Introduction to Graphs
Graphs are data structures that contain labeled nodes which are connected by edges.
Note that in some graphs it is possible to follow a sequence of edges and return to the place you started.
When writing recursive graph algorithms that are not restricted to acyclic graphs, you may need to mark the nodes in the graph to ensure that you don't repeatedly use the same node.
www.math.grin.edu /~rebelsky/Courses/CS152/99F/Outlines/outline.50.html   (1193 words)

  
 Ed Pegg's Math Games - Domino Graphs
In alternate terminology, we conclude that the Petersen Graph is non-Hamiltonian.
For a bigger graph, consider the Stomachion of Archimedes, which Bill Cutler recently solved (my 11-17-03 column).
As a graph, we can connect any two solutions that related by one of these flips or rotations.
www.maa.org /editorial/mathgames/mathgames_12_15_03.html   (713 words)

  
 Graphs
The second notion, that of the edges being connections between nodes, is by far too important to the Graph Theory to leave it to one's intuitive perception.
For a graph, the sum of degrees of all its nodes equals twice the number of edges.
A graph is connected if every two vertices can be connected by a walk.
www.cut-the-knot.org /do_you_know/graphs.shtml   (1336 words)

  
 The k-Colorable Graph Generator Manual   (Site not responding. Last check: )
These graphs can be generated using various mechanisms which vary combinations of the size and variability of size of the hidden color classes, the average edge density, variability of degree sequence, clique clusters, and girth.
The flat graph generator that is included in this package uses the same generation algorithm as that used in the DIMACS version but is enhanced in that now the hidden coloring can be output using the cheat, and some additional parameters of the graph are listed in the comments.
This is used because it is possible to specify very long cycles which it may not be possible to complete, or the user may wish not to spend the CPU time for very intensive attempts, being satisfied with long paths.
web.cs.ualberta.ca /~joe/Coloring/Generators/manual.html   (2654 words)

  
 Week 1 Abstracts
A 2-factor is a 2-regular spanning subgraph of a graph, that is, the union of vertex dis joint cycles that spans the vertex set of the graph.
Another shows that there is a long cycle by finding a collection of cycles and lower bound on the average length of the cycles in the collection.Yet another way to show that there are abundant long cycles is to show that they generate the cycle space.
Let G be a 3-connected graph with minimum degree at least d and with at least 2d vertices.
dimacs.rutgers.edu /drei/1998/week1.html   (2432 words)

  
 Cycle Trends - Cycle and Technical Analysis Software - Cycle Trends and Currency Trading
At the top is a standard line graph of the 30 minute data and below that is the cycle graph generated by Cycle Trends based on the 30 minute data.
The cycle curve is an amalgamation of the most genuine cycles that have been repeating themselves in the past.
At the top is the line graph with the relevant details of the close, high, low, open and time displayed in the top left hand corner.
www.cycletrends.co.za /index.php?option=com_content&task=view&id=63&Itemid=68   (477 words)

  
 Cycle graphs.   (Site not responding. Last check: )
A close relative to the Cayley graphs are the Cycle graphs.
cycle graph, where we have skipped the directions, and the difference in appearance for different cycles.
In the last variant is the subcycles of a cycle skipped.
hemsidor.torget.se /users/m/mauritz/math/alg/cydia.htm   (78 words)

  
 Math Games: Cubic Symmetric Graphs
The graph is also symmetric -- any of the ten dominoes could be at the center (try it!).
Foster Census, which is a listing of all of the cubic symmetric graphs up to 768 vertices.
In a zero-symmetric graph, the vertices are equivalent, but the edges are maximally dissimilar.
www.maa.org /editorial/mathgames/mathgames_12_29_03.html   (971 words)

  
 [No title]
Life Cycle graphs: This is a graphical representation of the life stages and flow of individuals between them.
There are a number of relatively simple conditions to check for the projection matrix or the life cycle graph to ensure this occurs (irreducibility meaning no subgroup of stages that is self contained such as a postreproductive class, and primitivity meaning that it is not cyclic).
For the vast majority of estimated life cycle graphs, the population would be projected to grow exponentially eventuially with a stage distribution given by the dominant eigenvector and growth rate the dominant eigenvalue.
www.tiem.utk.edu /~gross/eeb507/popsize.txt   (1160 words)

  
 FUEJUM Volume 9 Abstract 1   (Site not responding. Last check: )
This paper addresses labeling graphs in such a way that the sum of the vertex labels and incident edge labels are the same for every vertex.
If a graph has an odd number of vertices, algorithms can be found to produce different magic-vertex graphs with the maximum and minimum magic number.
Also, every cycle graph with an odd number of vertices can be made into a vertex-magic graph if the odd numbers or even numbers are placed on the vertices.
math.furman.edu /~mwoodard/fuejum/content/2004/20041ab.html   (143 words)

  
 The Hamiltonian Page   (Site not responding. Last check: )
Cycles and paths in semicomplete multipartite digraphs, theorems and algorithms: a survey, by G. Gutin.
Hamilton Cycles in Random Graphs and Digraphs, by Colin Cooper and Alan Frieze.
Hamiltonian cycles avoiding the arcs of prescribed subtournaments, by J. Bang-Jensen, G. Gutin, and A. Yeo.
www.ing.unlp.edu.ar /cetad/mos/Hamilton.html   (1335 words)

  
 My Latest Work Refining the Shortest Period UFO Cycle
My estimate, based on a cycle length of 6.75, was that the peak would move around 12 hours into the future from one year to the next.
Results appear to indicate that this last cycle and the 6.752475 day cycle were in synch during the middle of the September to November '98 UFO wave as recorded by NUFORC.
The interaction of two cycle lengths would account for the difference in the results and there is no longer the need to believe that the cycle varies in length.
home.pacbell.net /joerit/docs/cycltest.htm   (1471 words)

  
 CSC-152 97F : Outline of Class 48: Graphs
I will be focusing on the algorithms pertaining to graphs, rather than on the underlying implementation (although we may return to the implementation later).
In a weighed directed graph (or simply a directed graph) (or even an undirected graph), find the shortest path from node A to node B. As a traveling salesperson who needs to visit a number of cities, find the shortest path that includes all the cities.
In a directed acyclic graph, find a numbering such that if there is a path from A to B, then the number assigned to A is smaller than the number assigned to B. smaller number than
www.math.grin.edu /~rebelsky/Courses/152/97F/Outlines/outline.48.html   (1383 words)

  
 DX Monitor - WWV Window
The graphs show a 90 day moving average of the historical data in order to smooth the chart and show the long term trends more clearly.
More interesting graphs of previous years and cycles are available on the DX Listeners Club web site.
Graphs can be saved in GIF or PNG format and will be the same size as displayed when you save them.
www.benlo.com /dxmon/wwv.html   (1280 words)

  
 Cycle Graphs Plugin
Graphs are not displayed if the user does not have access to them.
One idea is for the graph page to display the name of the device in a large title format, or, even better, allow one - when adding a graph to the cycle - to add their own title along with the device name.
The graph selecting should be in a version I will have finished tonight, at the same time it would easy to add a cuctom title for the graph cycle and have that displayed above the graph.
forums.cacti.net /about11588.html   (1057 words)

  
 Solar cycles 21, 22 and 23   (Site not responding. Last check: )
The red line is the monthly smoothed sunspot number while the blue line is the actual monthly sunspot number.
Cycle 21 started in June 1976 with a smoothed sunspot number of 12.2.
Cycle 23 started in May 1996 with the monthly SSN at 8.0 and peaked in April 2000 at 120.8.
www.dxlc.com /solar/solcycle.html   (112 words)

  
 Cycle Basis   (Site not responding. Last check: )
If the cycles are the same they annihilate each other, leaving a graph of isolated points.
It is enough to bring in one cycle from the second set, then another, then another, until all the cycles from the second set have been folded in.
Let d be the cycle, or union of cycles, produced by adding up the cycles in t.
www.mathreference.com /gph,basis.html   (493 words)

  
 Cycle Quark
When I was giving the important talks almost 20 years ago, they were on transparencies and each one held a single graph or diagram.
They were large graphs which showed a lot of detail.
I am not usually a reader of mystery novels, but I have gotten interested in this time period by Neal Stephenson’s Baroque Cycle, which dealt with the major upheavals in science and economics that occurred in the 18th century.
cyclequark.wordpress.com   (1466 words)

  
 Universiteit Twente, Faculteit der Toegepaste Wiskunde   (Site not responding. Last check: )
Topics studied in Twente at the moment are: cycle coverings of graphs, independence trees, flows in graphs, edge-colored graphs, cyclic graphs etc., graph-theoretic applications in knowledge-technology, intelligent networks and social sciences.
The search for conditions for the existence of Hamilton cycles, long cycles and cycles through prescribed vertex and/or edge sets in graphs, sometimes within special classes of graphs such as regular, claw-free or triangle-free graphs.
Trommel derived results on long cycles in graphs with large minimum degree.
www.win.tue.nl /wsk/eidma/jaarverslagen/verslag97/node27.html   (250 words)

  
 RR-1763 : Stochastic timed event graphs : bounds, cycle time reachability and marking optimization   (Site not responding. Last check: )
We prove that any cycle time greater than the greatest mean transition firing time can be reached by putting enough tokens in each place.
Nous proposons d'abord une borne inferieure et une borne superieure du temps de cycle.
Nous montrons qu'un temps de cycle, strictement superieur au maximum des valeurs moyennes des temps de franchissement, peut etre atteint si un nombre suffisant de jetons est disponible dans chaque place.
www.inria.fr /rrrt/rr-1763.html   (308 words)

  
 The Hockey Stick: A New Low in Climate Science
But even before 1640 when the Maunder Minimum started, the cycle was clearly fragmented and irregular in contrast with the solid rhythmic cycles of subsequent years after 1710.
This is not an esoteric theory about the distant past, marginal to the global warming debate, but rather is a core foundation upon which a new publicity offensive on global warming is being mounted.
Apart from the subtle `globalisation' of the graph in the title, this version omits the wide error margins that were included with the original Mann graph
www.john-daly.com /hockey/hockey.htm   (8178 words)

  
 Clomiphene
Other methods that may be useful to help to confirm ovulation (but not very helpful for timing intercourse) include: serum progesterone levels in the second half of cycle, basal body temperature charts (see separate handout) or urine ovulation kits (these may not work well in women on clomid, especially those who usually have irregular periods).
An additional reason is to review your cycle data (temperature graphs, cycle length, abs, etc.) to decide if the dosage is correct.
In cases where ovulation is not occurring, the dose of clomid should be increased each cycle by one tablet (50 mg) daily until obtaining ovulation or reaching 250 mg per day.
ww2.whas11.com /Global/story.asp?S=3742425   (598 words)

  
 Graphics and Web Design Based on Edward Tufte's Principles
Area and volume representations fool people with the square/cube law: an increase in linear size leads to a square of the increase for areas and a cube of the increase for volumes.
This is the maximum known density for a graph.
Use compression to show lots of information in a single graph, such as a plot that shows x-axis, y-axis, and x/y interactions.
www.washington.edu /computing/training/560/zz-tufte.html   (2316 words)

  
 Joseph Malkevitch's Research Papers
On the lengths of cycles in planar graphs, in Recent Trends in Graph Theory, M. Capobianco et al (eds., Springer-Verlag, Berlin, 1971, pp.
Cycle lengths in polytopal graphs, in Theory and Applications of Graphs, Y. Alavi and D. Lick, (eds.), Lecture Notes in Math.
Non-hamiltonian fundamental cycle graphs, in the Geometric Vein (The Coxeter Festschrift), C.
www.york.cuny.edu /~malk/research-papers.html   (518 words)

  
 solarcycles.worksheet
Use your Average length of the sunspot cycle to estimate the year and month of the next sunspot maximum..
Use the average length of solar irradiance cycle to predict the next solar irradiance maximum.
Compare the solar activity cycle to the solar irradiance cycle and describe the relationship between them.
education.gsfc.nasa.gov /experimental/all98invProject.Site/Pages/earth-sunconnections/inv7/solarcycles.worksheet.html   (321 words)

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