Results 231 to 240 of about 2,496,017 (244)

On Odd Covers of Cliques and Disjoint Unions

open access: yesJournal of Graph Theory, EarlyView.
ABSTRACT Babai and Frankl posed the “odd cover problem” of finding the minimum cardinality of a collection of complete bipartite graphs such that every edge of the complete graph of order n $n$ is covered an odd number of times. In a previous paper with O'Neill, some of the authors proved that this value is always ⌈ n / 2 ⌉ $\lceil n/2\rceil $ or ⌈ n /
Calum Buchanan   +7 more
wiley   +1 more source

Free-space communication with a pair of extremely high-density display panel and camera. [PDF]

open access: yesiScience
Huang PD   +7 more
europepmc   +1 more source

High‐Throughput Quantitative Chemical Shift‐Encoded MRI of the Liver

open access: yesJournal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Access to MRI is limited by lengthy exam times and inefficient utilization. Focused protocols can reduce exam times, but workflow variability and inefficient room turnaround contribute to conservative scheduling with long exam slots.
Garrett C. Fullerton   +10 more
wiley   +1 more source

Determinants of intensive care unit light exposure: an observational cohort study of patient, temporal, and structural factors. [PDF]

open access: yesFront Neurol
Intihar TA   +8 more
europepmc   +1 more source

A Phase II Feasibility Study Combining Pembrolizumab and Metformin in Patients with Metastatic Head and Neck Cancer. [PDF]

open access: yesClin Cancer Res
Zamulko O   +16 more
europepmc   +1 more source

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