Results 21 to 30 of about 7,284 (228)

Equivalence of switching linear systems by bisimulation [PDF]

, 2006
A general notion of hybrid bisimulation is proposed for the class of switching linear systems. Connections between the notions of bisimulation-based equivalence, state-space equivalence, algebraic and input–output equivalence are investigated.
Schaft, A.J. van der,, Benedetto, M.D. Di,, Benedetto, M.D. Di, M. D. Di Benedetto, Schaft, A.J. van der; id_orcid, Pola, G., van der Schaft, A.J., Pola, G.,, Schaft, A.J. van der, A. J. Van Der Schaft, Di Benedetto, M.D., G. Pola   +11 more
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Turán and Ramsey problems for alternating multilinear maps

Discrete Analysis, 2023
Turán and Ramsey problems for alternating multilinear maps, Discrete Analysis 2023:12, 22 pp. Ramsey's theorem (in its finite version) states that for every positive integer $k$ there exists a positive integer $n$ such that every graph with $n$ vertices
Youming Qiao
doaj   +1 more source

Affine linear cryptanalysis

, 2020
In this paper a new variant of the linear cryptanalysis method for block ciphers is proposed. It is based on the existing method of multidimensional linear cryptanalysis, but offers the option of discarding a whole half-space of linear approximations ...
Nyberg, Kaisa
core   +1 more source

On metrizability of locally homogeneous affine 2-dimensional manifolds [PDF]

, 2013
summary:In [19] we proved a theorem which shows how to find, under particular assumptions guaranteeing metrizability (among others, recurrency of the curvature is necessary), all (at least local) pseudo-Riemannian metrics compatible with a given torsion ...
Kowalski, Oldřich, Dušek, Zdeněk, Vanžurová, Alena   +2 more
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Characterising transformations between quantum objects, 'completeness' of quantum properties, and transformations without a fixed causal order [PDF]

Quantum
Many fundamental and key objects in quantum mechanics are linear mappings between particular affine/linear spaces. This structure includes basic quantum elements such as states, measurements, channels, instruments, non-signalling channels and channels ...
Simon Milz, Marco Túlio Quintino
doaj   +1 more source

Local CCW input-output dynamics and stability of nonlinear affine systems [PDF]

تصمیم گیری و تحقیق در عملیات
Purpose: The research aims to study local counterclockwise input–output (CCW I–O) properties of nonlinear input-affine systems and to establish if these properties can be identified from their linearized models.
Qin Xu
doaj   +1 more source

Clustering of Whole-Brain White Matter Short Association Bundles Using HARDI Data

Frontiers in Neuroinformatics, 2017
Human brain connectivity is extremely complex and variable across subjects. While long association and projection bundles are stable and have been deeply studied, short association bundles present higher intersubject variability, and few studies have ...
Claudio Román, Miguel Guevara, Ronald Valenzuela, Miguel Figueroa, Josselin Houenou, Josselin Houenou, Delphine Duclap, Cyril Poupon, Jean-François Mangin, Pamela Guevara   +9 more
doaj   +1 more source

Anatomical traces of vocabulary acquisition in the adolescent brain [PDF]

, 2007
A surprising discovery in recent years is that the structure of the adult human brain changes when a new cognitive or motor skill is learned. This effect is seen as a change in local gray or white matter density that correlates with behavioral measures ...
Brennan, A, Devlin , J., Stewart , L., Price, C., Lee, H, Devlin, J.T., Michelli, A., Frackowiak, R., Frackowiak, R.S.J., Lee, H., Price, C.J., Green, D., Lee, H.-L., Stewart, L.H., Price, C J, Frackowiak, R S J, Mechelli, A, Glensman, J, Brennan, A., Green, D.W., Devlin, J T, Shakeshaft, C., Pitcher, K., Crinion, J., Green, D W, Shakeshaft, C, Crinion, J, Glensman, J., Stewart, L H, Pitcher, K, Mechelli, A.   +30 more
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First integrals of affine connections and Hamiltonian systems of hydrodynamic type [PDF]

, 2017
We find necessary and sufficient conditions for a local geodesic flow of an affine connection on a surface to admit a linear first integral. The conditions are expressed in terms of two scalar invariants of differential orders 3 and 4 in the connection ...

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Flat affine transformations and their transformations

, 2020
More references have been added. In particular, the reference to Jack Vey's thesis. We have corrected some typos and included some other changes. arXiv admin note: text overlap with arXiv:1707.07030International audienceWe give a characterization of flat
Villabon, A., Saldarriaga, O., Medina, Alberto   +2 more
core   +2 more sources