The universe is less uniform than we thought—cosmology may need a radical rethink

If we look on large enough scales, matter should be distributed evenly, with no preferred direction within the cosmos. This is known as the cosmological principle.
C&EN

Enhancing the Search Performance of Bayesian Optimization by Creating Different Descriptor Datasets Using Density Functional Theory

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Article Views are the COUNTER-compliant sum of full text article downloads since ...
Frontiers

Adult conspecific density affects Janzen-Connell patterns by modulating the recruitment exclusion zones

Plant-soil negative feedback (NF) is a well-established phenomenon that, by preventing the dominance of a single species, allows species coexistence and promotes the maintenance of biodiversity. At ...
GitHub

kalepy: Kernel Density Estimation and Sampling

This package performs KDE operations on multidimensional data to: 1) calculate estimated PDFs (probability distribution functions), and 2) resample new data from those PDFs. A number of examples (also ...
Frontiers

IHC Color Histograms for Unsupervised Ki67 Proliferation Index Calculation

Automated image analysis tools for Ki67 breast cancer digital pathology images would have significant value if integrated into diagnostic pathology workflows. Such tools would reduce the workload of ...
PNAS

Ant-inspired density estimation via random walks

Highly complex distributed algorithms are ubiquitous in nature: from the behavior of social insect colonies and bird flocks, to cellular differentiation in embryonic development, to neural information ...
JSTOR Daily

Probability Generating Functions and their Iterates

Proceedings of the National Academy of Sciences of the United States of America, Vol. 56, No. 6 (Dec. 15, 1966), pp. 1912-1916 (5 pages) ...