Poetry of the Universe

Rating:
Summary: Perhaps Osserman bit off more than he could chew...
Review: I had the feeling while reading this book that Osserman had simply taken upon himself something that couldn't be done: describing the entire universe in 170 pages with sufficient clarity so that any layman could understand it.

Being one of those laymen, I must admit that I learned quite a bit from this book. Nevertheless, Osserman's jumpy writing style with frequent digressions makes for a sometimes frustrating read. I also noted a certain effort to make the "story" of the book conform to the title (which should have been something along the lines of "Curvature of the Universe").

In any case, for those (like myself) with a passive interest in cosmology and very little prior knowledge, this book is not a bad starting point. Having finished the book, I at least know where to begin looking for more information about the topic.

Rating:
Summary: Thank you, Professor, for a charming book
Review: This is a charming book, with a graceful pace and engaging illustrations. The transparency and accessibility of this book are a gift to the reader, who is brought through complex material in a gentle way. I suspect that technically advanced readers may find some of the material fairly elementary, but may still find pleasure in the beauty of this book.

I should here confess that as a math major I took a course from Professor Osserman on linear algebra about 30 years ago. His teaching style then mirrored his writing style in this book--calm, understated, confident.

Additionally, I probably never thanked him at the time for giving me a great math experience during that course. (For non-mathematicians who haven't had such an experience, let me assure you that there is exhilaration in struggling with an initially complicated mathematical idea that suddenly becomes crystal clear.)

So, belatedly, if you're reading this review, Professor, THANK YOU!

Rating:
Summary: Shape and Form - Geometry and Cosmology
Review: This is a story of shape and form. The Poetry of the Universe answers two related questions: What is the shape of the universe and what do we mean by the curvature of space?

During the great period of global exploration the Europeans placed rigorous demands on maps, demands that stretched the capabilities of mathematicians. Robert Osserman offers a striking parallel between that endeavor and our modern efforts to unravel the form and structure of the universe.

Osserman's description of the evolution of abstract geometries is fascinating. We learn about the remarkable contributions of the combined genius of Euler, Gauss, Lobachevsky, Bolyai, Riemann, Minkowski, and Einstein to our new understanding of cosmology. Gradually, Osserman brings us full circle from the problem of representing a spherical (or elliptical) earth on a Euclidian flat map to the more difficult problem of representing an expanding universe characterized as a hypersphere.

This is a good little book and I can recommend it to a wide audience. Osserman conveys the beauty and excitement of mathematics without delving into equations. In parallel, he provides expanded footnotes in an appendix for the mathematically inclined. I suggest reading the appendix after completing each chapter, mathematically inclined or not.

In keeping with his title, he offers poetic quotes: Euclid alone has looked on Beauty bare. Pure mathematics is, in its way, the poetry of logical ideas. The most distinct and beautiful statement of any truth must take at last the mathematical form.

Edna St. Vincent Millay, Albert Einstein, and Henry David Thoreau.