Results 211 to 220 of about 643,665 (260)

Texture-Based MRI Analysis Reveals Microstructural Alterations in the Putamen in Bipolar Disorder. [PDF]

Medicina (Kaunas)
Gül Ö, Baykara S, Namlı MN, Baykara M.   +3 more
europepmc   +1 more source

Higher-Order Interactions Can Promote Coexistence by Rewiring Intransitivities Into Competitive Networks. [PDF]

Ecol Lett
Hajian-Forooshani Z, Perfecto I, Irizarry W, Vandermeer J.   +3 more
europepmc   +1 more source

Operative Management and Time to Procedure for Transferred versus Direct-arrival Supracondylar Humerus Fractures at a Non-trauma-designated Children's Hospital. [PDF]

J Pediatr Soc North Am
Nelson DR, Kinstedt AJ, Sheff ZT, Engbrecht BW, Wilhite JH.   +4 more
europepmc   +1 more source

Three New Calcium Formate Reference Materials for δ¹³C Measurements and a Redetermination of the R(¹³C/¹²C) Ratio for VPDB Based on Proton Nuclear Magnetic Resonance Measurements. [PDF]

Rapid Commun Mass Spectrom
Hoffman DW, Rasmussen C, Schimmelmann A, Reid LT, Qi H, Coplen TB.   +5 more
europepmc   +1 more source

Assessing the cost of acute stroke care in Ethiopian public tertiary hospitals: a multicenter study. [PDF]

Front Neurol
Ali K, Martins SO, Ayele BA, Diltata G, Gufue ZH, Yifru YM.   +5 more
europepmc   +1 more source

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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.
Joseph F. JáJá, Jean Takche
openaire   +5 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 ...
Yoo Young Koo, Jae Kun Lim
openaire   +3 more sources