Results 211 to 220 of about 638,457 (261)

Understanding the effect of educational attainment on the risk of retinal detachment: a Mendelian randomization mediation analysis. [PDF]

open access: yesInt J Retina Vitreous
Katsimpris A   +6 more
europepmc   +1 more source

When air-raid sirens howl the rate of visits of pregnant women to the obstetrical emergency room decreases: results of a 4-months wartime follow up in a tertiary medical center. [PDF]

open access: yesBMC Pregnancy Childbirth
Shaham L   +8 more
europepmc   +1 more source

Neural sequences underlying directed turning in Caenorhabditis elegans. [PDF]

open access: yesNat Neurosci
Kramer TS   +10 more
europepmc   +1 more source

Sitting and Active Meditation Practice: Utilization and Associations with Outcomes in Naturalistic and Clinical Trial Data. [PDF]

open access: yesMindfulness (N Y)
Goldberg SB   +6 more
europepmc   +1 more source

On the Validity of the Direct Sum Conjecture

SIAM Journal on Computing, 1986
The direct sum conjecture states that the multiplicative complexity of disjoint sets of bilinear computations is the sum of their separate multiplicative complexities. This conjecture is known to hold for only a few specialized cases. In this paper, we establish its validity for large classes of computations.
Jean Takche
exaly   +4 more sources

Sum and direct sum of frame sequences

Linear and Multilinear Algebra, 2013
Casazza, Han and Larson characterized various properties of the direct sum of two frame sequences. We add characterizations of other properties and study the relationship between the direct sum and the sum of frame sequences. In particular, we find a necessary and sufficient condition for the sum of two strongly disjoint (orthogonal) frame sequences ...
Jae Kun Lim, Yoo Young Koo
exaly   +2 more sources

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