Michael Freedman’s momentous 1981 proof of the four-dimensional Poincaré conjecture was on the verge of being lost. The editors of a new book are trying to save it. One of the most important pieces of ...

OF late years a very remarkable change has been made in the theory of elementary geometry, the general effect of which has been to make it more abstract, and to reduce a great deal of it to the ...

There is no shortage of popular books and lectures on math—but they can only teach us so much. Mathematics has long been presented as a sanctuary from confusion and doubt, a place to go in search of ...

WE are much pleased with this book as a good text-book for teaching geometry. It is evidently the work of one who has been at the pains to consider well what are the difficulties which the average ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Olney's textbooks were published by a ...

NCERT Class 7 Maths Textbook 2025: Maths is always considered a complex subject with so many formulas. But with recent changes in the NCERT Class 7 Maths syllabus, a new discourse has emerged on how ...