Results 261 to 270 of about 219,402 (291)
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Permutation Machines

ACS Synthetic Biology, 2016
We define a new inversion-based machine called a permuton of n genetic elements, which allows the n elements to be rearranged in any of the n·(n - 1)·(n - 2)···2 = n! distinct orderings. We present two design algorithms for architecting such a machine.
Swapnil, Bhatia   +4 more
openaire   +2 more sources

Cluster-based permutation tests of MEG/EEG data do not establish significance of effect latency or location.

Psychophysiology, 2019
Cluster-based permutation tests are gaining an almost universal acceptance as inferential procedures in cognitive neuroscience. They elegantly handle the multiple comparisons problem in high-dimensional magnetoencephalographic and EEG data. Unfortunately,
Jona Sassenhagen, Dejan Draschkow
semanticscholar   +1 more source

Arithmetic Permutations

Journal of the London Mathematical Society, 1991
The group \(\hbox{Sym }\mathbb{R}\) of permutations of the set \(\mathbb{R}\) of real numbers is considered in the paper. Let \(P_ 0\) be its subgroup of power functions \(x\mapsto x^{m/n}\) where \(m\), \(n\) are positive odd integers, \(T\) be the subgroup of translations \(x\mapsto x+a\) where \(a\) is a real algebraic number, and \(M\) be the ...
Adeleke, S. A.   +2 more
openaire   +2 more sources

SetRank: Learning a Permutation-Invariant Ranking Model for Information Retrieval

Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2019
In learning-to-rank for information retrieval, a ranking model is automatically learned from the data and then utilized to rank the sets of retrieved documents.
Liang Pang   +5 more
semanticscholar   +1 more source

Geometric Permutations

Results in Mathematics, 2011
The paper is concerned with so called geometric permutations. It starts by showing the connection between permutations and Coxeter-Bennet configurations (CBC's are regular graphs on \(d+3\) vertices having degree \(d\)). This connection is used to define an equivalence relation on permutations. Next some properties of difference permutations (roughly \(
openaire   +2 more sources

Visual Permutation Learning

IEEE Transactions on Pattern Analysis and Machine Intelligence, 2019
We present a principled approach to uncover the structure of visual data by solving a deep learning task coined visual permutation learning. The goal of this task is to find the permutation that recovers the structure of data from shuffled versions of it.
Rodrigo Santa Cruz   +3 more
semanticscholar   +1 more source

Permutation enumeration

Communications of the ACM, 1976
Classical permutation enumeration algorithms encounter special cases requiring additional computation every nth permutation when generating the n! permutations on n marks. Four new algorithms have the attribute that special cases occur every n(n—1) permutations. Two of the algorithms produce the next permutation with a single exchange of two marks. The
openaire   +2 more sources

Array Permutation by Index-Digit Permutation

Journal of the ACM, 1976
An array may be reordered according to a common permutation of the digits of each of its element indices. The digit-reversed reordering which results from common fast Fourier transform (FFT) algorithms is an example. By examination of this class of permutation in detail, very efficient algorithms for transforming very long arrays are developed.
openaire   +1 more source

Permutation tests for joinpoint regression with applications to cancer rates.

Statistics in Medicine, 2000
Hyune-Ju Kim   +3 more
semanticscholar   +1 more source

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