Results 71 to 80 of about 723,488 (236)

Non-crossing trees revisited: cutting down and spanning subtrees [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2003
Here we consider two parameters for random non-crossing trees: $\textit{(i)}$ the number of random cuts to destroy a size-$n$ non-crossing tree and $\textit{(ii)}$ the spanning subtree-size of $p$ randomly chosen nodes in a size-$n$ non-crossing tree ...
Alois Panholzer
doaj   +1 more source

Random walks on complex trees [PDF]

open access: yesPhysical Review E, 2008
We study the properties of random walks on complex trees. We observe that the absence of loops reflects in physical observables showing large differences with respect to their looped counterparts. First, both the vertex discovery rate and the mean topological displacement from the origin present a considerable slowing down in the tree case. Second, the
Baronchelli, Andrea   +2 more
openaire   +6 more sources

Degree distribution of random Apollonian network structures and Boltzmann sampling [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2007
Random Apollonian networks have been recently introduced for representing real graphs. In this paper we study a modified version: random Apollonian network structures (RANS), which preserve the interesting properties of real graphs and can be handled ...
Alexis Darrasse, Michèle Soria
doaj   +1 more source

A problem on random trees

open access: yesJournal of Combinatorial Theory, Series B, 1971
AbstractThe problem is considered of determining the distribution of the number of nodes in any given component of a forest obtained by removing edges from a random tree.
openaire   +3 more sources

Invariant Measures, Hausdorff Dimension and Dimension Drop of some Harmonic Measures on Galton-Watson Trees

open access: yes, 2018
We consider infinite Galton-Watson trees without leaves together with i.i.d.~random variables called marks on each of their vertices. We define a class of flow rules on marked Galton-Watson trees for which we are able, under some algebraic assumptions ...
Rousselin, Pierre
core   +2 more sources

Classification of Alpine Skiing Styles Using GNSS and Inertial Measurement Units

open access: yesSensors, 2020
In alpine skiing, four commonly used turning styles are snowplow, snowplow-steering, drifting and carving. They differ significantly in speed, directional control and difficulty to execute.
Christina Neuwirth   +5 more
doaj   +1 more source

Large deviations of empirical neighborhood distribution in sparse random graphs

open access: yes, 2014
Consider the Erd\H{o}s-Renyi random graph on n vertices where each edge is present independently with probability c/n, with c>0 fixed. For large n, a typical random graph locally behaves like a Galton-Watson tree with Poisson offspring distribution with ...
Bordenave, Charles, Caputo, Pietro
core   +1 more source

Holonomic equations and efficient random generation of binary trees [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science
Holonomic equations are recursive equations which allow computing efficiently numbers of combinatoric objects. Rémy showed that the holonomic equation associated with binary trees yields an efficient linear random generator of binary trees.
Pierre Lescanne
doaj   +1 more source

Width and mode of the profile for some random trees of logarithmic height

open access: yes, 2006
We propose a new, direct, correlation-free approach based on central moments of profiles to the asymptotics of width (size of the most abundant level) in some random trees of logarithmic height.
Devroye, Luc, Hwang, Hsien-Kuei
core   +1 more source

Parallel Quantum Rapidly-Exploring Random Trees

open access: yesIEEE Access
In this paper, we present the Parallel Quantum Rapidly-Exploring Random Tree (Pq-RRT) algorithm, a parallel version of the Quantum Rapidly-Exploring Random Trees (q-RRT) algorithm.
Paul Lathrop   +2 more
doaj   +1 more source

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