How two strange infinities crashed the party The new work centers on two colossal number systems that live so far beyond everyday counting that even familiar infinite sets, like the natural numbers, ...

A question from his granddaughter sparked Ed Scheinerman's new book, 'A Guide to Infinity', where he shows that infinity ...

A draft assessment of the health of nature in the United States is grim but shot through with bright spots and possibility. By Catrin Einhorn An unusual outbreak of wildfires in city parks gave ...

Use tiles to represent variables and constants, learn how to represent and solve algebra problem. Solve equations, substitute in variable expressions, and expand and factor. Flip tiles, remove zero ...

Abstract: Cylinder, a common geometric entity has a discontinuity at the joining of cylindrical surface and circular-disks. Hence, collision detection between two cylinders in space is a difficult ...

This book provides an introduction to axiomatic set theory and descriptive set theory. It is written for the upper level undergraduate or beginning graduate students to help them prepare for advanced ...

IN this volume Dr. Hensel gives the first instalment of a treatise on algebraic numbers, embodying an independent method on which he has been engaged for the last eighteen years. Its leading idea may ...

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Ask the publishers to restore access to 500,000+ books. A line drawing of the Internet Archive headquarters building façade. An illustration of a heart shape "Donate to the archive" An illustration of ...

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