The Definition and Purpose of the Zero Article

The Definition and Purpose of the Zero Article: count nouns are sometimes used without an article, especially when they are referred to generically. The same is true when the noun is plural but of indefinite number.

Lecture 22 - Chapter 2: Symmetric Monoidal Preorders - Azimuth Forum

Lecture 22 - Chapter 2: Symmetric Monoidal Preorders - Azimuth Forum: "will be"



↑ They ‘hear’ words rather than read them.

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Lecture 21 - Chapter 2: Monoidal Preorders - Azimuth Forum

Lecture 21 - Chapter 2: Monoidal Preorders - Azimuth Forum: "use ⊗ so I'll often use that. We pronounce this symbol "tensor"."



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SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids

SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids: "We've already had one Blue Moon in January 2018, a month bookended by full Moons on the 2nd (02:24 UTC) and 31st (13:27 UTC). It's happening again in March, with full Moons on the 2nd (00:51 UTC) and 31st (12:37 UTC). The last time two Blue Moons occurred in such quick succession was January and March of 1999."

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Slacks of 24 hours at the beginning of the month and  ~12 hours around the end.

Immersion (mathematics) - Wikipedia

Immersion (mathematics) - Wikipedia: "For example, the Möbius strip has non-trivial tangent bundle, so it cannot immerse in codimension 0 (in R2), though it embeds in codimension 1 (in R3).

"



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Orientability - Wikipedia

Orientability - Wikipedia: " a loop going around one way on the surface can never be continuously deformed (without overlapping itself) to a loop going around the opposite way."



 that is homeomorphic to the Möbius strip. Thus, for surfaces, the Möbius strip may be considered the source of all non-orientability.

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Topological group - Wikipedia

Topological group - Wikipedia: "The groups mentioned so far are all Lie groups, meaning that they are smooth manifolds in such a way that the group operations are smooth, not just continuous."



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