This site hosts miscellaneous materials on topics I'm interested about.

This website is no longer updated: new articles are being published on my blog and on my other topic specific websites.

Articles that are described as [MIGRATED] in the index have a more recenty version available on one of those websites (linked in the article itself).

The following sections are currently available.

See also the section about this website.

Send a comment: unless requested otherwise I may add it, or some extract, to this page.

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