Results 41 to 50 of about 123,227 (279)
Searching for Subspace Trails and Truncated Differentials
IACR Transactions on Symmetric Cryptology, 2018 Grassi et al. [Gra+16] introduced subspace trail cryptanalysis as a generalization of invariant subspaces and used it to give the first five round distinguisher for Aes.
Gregor Leander +2 more
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Archives of Acoustics, 2016 Subspace-based methods have been effectively used to estimate enhanced speech from noisy speech samples. In the traditional subspace approaches, a critical step is splitting of two invariant subspaces associated with signal and noise via subspace ...
Chengli SUN, Jianxiao XIE, Yan LENG
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Pivot-Guided Embedding for Domain Generalization
IEEE Access, 2022 Neural networks have suffered from a distribution gap between training and test data, known as domain shift. Domain generalization (DG) methods aim to learn domain invariant representations only with limited source domain data to cope with unseen target ...
Hyun Seok Seong +3 more
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A framework for deflated and augmented Krylov subspace methods [PDF]
, 2013 We consider deflation and augmentation techniques for accelerating the convergence of Krylov subspace methods for the solution of nonsingular linear algebraic systems.
André Gaul +4 more
core +3 more sources
International Journal of Differential Equations, 2016 We investigate the symmetry properties of a variable coefficient space-time fractional potential Burgers’ equation. Fractional Lie symmetries and corresponding infinitesimal generators are obtained.
Manoj Gaur, K. Singh
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MEG source localization using invariance of noise space.
PLoS ONE, 2013 We propose INvariance of Noise (INN) space as a novel method for source localization of magnetoencephalography (MEG) data. The method is based on the fact that modulations of source strengths across time change the energy in signal subspace but leave the
Junpeng Zhang +3 more
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Simultaneous Multislice Brain MRI T1 Mapping with Improved Low-Rank Modeling
Tomography, 2021 To accelerate data acquisition speed in magnetic resonance imaging (MRI), multiple slices are simultaneously acquired using multiband pulses. Simultaneous multislice (SMS) imaging typically unfolds slice aliasing from the acquired collapsed slices.
Sugil Kim, Suhyung Park
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Comparing the states of many quantum systems [PDF]
, 2003 We investigate how to determine whether the states of a set of quantum systems are identical or not. This paper treats both error-free comparison, and comparison where errors in the result are allowed.
Anthony Chefles +5 more
core +2 more sources
The parameterization method for invariant manifolds I: Manifolds associated to non-resonant subspaces [PDF]
Indiana University Mathematics Journal, 2003 We introduce a method to prove existence of invariant manifolds and, at the same time to find simple polynomial maps which are conjugated to the dynamics on them. As a first application, we consider the dynamical system given by a Cr map F in a Banach space X close to a fixed point: F(x) = Ax + N(x), A linear, N(0) = 0, DN(0) = 0 ...
Cabré Vilagut, Xavier +2 more
openaire +3 more sources
Robust Gridless Estimation of Angles and Delays for Full-Dimensional Wideband mmWave Channels
IEEE Open Journal of Signal Processing, 2023 In this paper, we consider robust channel estimation for a millimeter wave (mmWave) massive MIMO system with uniform planar arrays (UPA). For many gridless angle estimation methods of mmWave channels, the channel gains needs to be time-invariant during ...
Ting-Ming Yang, Yuan-Pei Lin
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