Results 51 to 60 of about 38,090 (261)

Variations in the sub-defect of doubly substochastic matrices

open access: yesSpecial Matrices
The sub-defect of a doubly stochastic matrix AA, denoted as sd(A)=⌈n−sum(A)⌉sd\left(A)=\lceil n-{\rm{sum}}\left(A)\rceil , is defined as the minimum number of rows and columns required to be added to transform the doubly substochastic matrix into a ...
Cao Lei   +2 more
doaj   +1 more source

On Infinite Stochastic and Related Matrices

open access: yesCommunications on Stochastic Analysis, 2017
Summary: We study the Lie structure of the set of infinite matrices associated with bounded operators on \(\ell_\infty\) with the property that their row sums are constant. That includes, in particular, infinite row stochastic and zero-row-sum matrices.
Boukas, Andreas   +2 more
openaire   +3 more sources

Monolithic Oxidation Enables Ultrathin Vertically Graded Tantalum Oxide for Low‐Voltage, Low‐Variability Memristive Switching

open access: yesAdvanced Functional Materials, EarlyView.
Monolithic UV‐ozone oxidation of Ta forms an ultrathin Ta2O5/TaOx bilayer enabling resistive switching with a vertical defect gradient. A stoichiometric surface layer over an oxygen‐deficient sublayer promotes localized filament nucleation near the top interface, enabling low‐voltage operation, and reduced cycle‐to‐cycle variability.
Seunghoon Yang   +11 more
wiley   +1 more source

Robust Sliding-Mode Control for Fuzzy Stochastic Singular Systems With Different Local Input Matrices

open access: yesIEEE Access, 2018
In this paper, the stabilization is investigated about fuzzy stochastic singular systems by the use of sliding-mode control (SMC). The advantage of this paper is that local input matrices of fuzzy systems could be different, and the SMC law provided in ...
Qingling Zhang   +2 more
doaj   +1 more source

Soft matrices suppress cooperative behaviors among receptor-ligand bonds in cell adhesion. [PDF]

open access: yesPLoS ONE, 2010
The fact that biological tissues are stable over prolonged periods of time while individual receptor-ligand bonds only have limited lifetime underscores the critical importance of cooperative behaviors of multiple molecular bonds, in particular the ...
Jin Qian, Huajian Gao
doaj   +1 more source

Doubly stochastic matrices of trees

open access: yesApplied Mathematics Letters, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Xiao-Dong Zhang 0001, Jia-Xi Wu
openaire   +2 more sources

Increasing Inter‐Micellar Connectivity Toughens and Imparts Cooling‐Induced Shape Memory in Micellar Hydrogels

open access: yesAdvanced Functional Materials, EarlyView.
Oligomerizing Pluronic triblock copolymers provides a processing strategy for tuning the mechanical properties and stimuli‐responsive behaviors of micellar hydrogels. Varying oligomer fraction produces hydrogels spanning brittle to highly extensible responses; maintaining micellar architectures enables cooling‐induced reverse thermal shape memory and ...
Gourav Kumbhojkar   +8 more
wiley   +1 more source

Construction of 4 x 4 symmetric stochastic matrices with given spectra

open access: yesOpen Mathematics
The symmetric stochastic inverse eigenvalue problem (SSIEP) asks which lists of real numbers occur as the spectra of symmetric stochastic matrices. When the cardinality of a list is 4, Kaddoura and Mourad provided a sufficient condition for SSIEP by a ...
Jung Jaewon, Kim Donggyun
doaj   +1 more source

Positive Definite Norm Dependent Matrices In Stochastic Modeling

open access: yesDemonstratio Mathematica, 2014
Positive definite norm dependent matrices are of interest in stochastic modeling of distance/norm dependent phenomena in nature. An example is the application of geostatistics in geographic information systems or mathematical analysis of varied spatial ...
Kuniewski Sebastian P.   +1 more
doaj   +1 more source

Products of generalized stochastic Sarymsakov matrices [PDF]

open access: yes2015 54th IEEE Conference on Decision and Control (CDC), 2015
In the set of stochastic, indecomposable, aperiodic (SIA) matrices, the class of stochastic Sarymsakov matrices is the largest known subset (i) that is closed under matrix multiplication and (ii) the infinitely long left-product of the elements from a compact subset converges to a rank-one matrix.
Weiguo Xia   +4 more
openaire   +3 more sources

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