By Alex Bellos

From triangles, rotations and gear legislation, to fractals, cones and curves, top promoting writer Alex Bellos takes you on a trip of mathematical discovery along with his signature wit, attractive tales and unlimited enthusiasm. As he narrates a chain of eye-opening encounters with vigorous personalities around the world, Alex demonstrates how numbers have emerge as our associates, are attention-grabbing and intensely obtainable, and the way they've got replaced our world.

He turns even the feared calculus into an easy-to-grasp mathematical exposition, and sifts via over 30,000 survey submissions to bare the world's favorite quantity. In Germany, he meets the engineer who designed the 1st roller-coaster loop, when in India he joins the world's hugely numerate group on the overseas Congress of Mathematicians. He explores the wonders in the back of the sport of existence application, and explains mathematical good judgment, development and damaging numbers. Stateside, he hangs out with a personal detective in Oregon and meets the mathematician who appears for universes from his storage in Illinois.

Read this appealing booklet, and also you won't have an understanding of that you're studying approximately complicated ideas. Alex gets you addicted to maths as he delves deep into humankind's turbulent courting with numbers, and proves simply how a lot enjoyable we will be able to have with them.

**Read Online or Download Alex Through the Looking-Glass: How Life Reflects Numbers and Numbers Reflect Life PDF**

**Similar mathematics books**

**Einstein Manifolds: reprint of the 1987 edition, with 22 figures**

Einstein's equations stem from basic Relativity. within the context of Riemannian manifolds, an autonomous mathematical thought has constructed round them. lately, it has produced a number of impressive effects, which were of significant curiosity additionally to physicists. This Ergebnisse quantity is the 1st booklet which offers an up to date evaluate of the cutting-edge during this box.

Originating with Andreas Floer within the Eighties, Floer homology offers an invariant of three-d manifolds and 4-dimensional cobordisms among them. It has proved to be a good instrument in tackling many very important difficulties in 3- and 4-dimensional geometry and topology. This e-book offers a finished therapy of Floer homology, in keeping with the Seiberg-Witten equations.

- Semi-covariants of a General System of Linear Homogeneous Differential Equations
- Computational Methods of Linear Algebra (2nd Edition) (Pure and Applied Mathematics: A Wiley Series of Texts, Monographs and Tracts)
- Families of Meromorphic Functions on Compact Riemann Surfaces, 1st Edition
- Pronunciation of mathematical expressions in English
- Solvability and properties of solutions of nonlinear elliptic equations
- Quantum Theory for Mathematicians (Graduate Texts in Mathematics, Volume 267)

**Extra info for Alex Through the Looking-Glass: How Life Reflects Numbers and Numbers Reflect Life**

**Sample text**

2i) i=0 (k−1)/2 i=0 if k is even, t2i+1 (s) f (x), (2i + 1)! 6) if k is odd. P. derivate of f at x of order k + 2 is deﬁned by (s) f (1) (x) = lim sup t→0 (s) f (k+2) (x) = lim sup t→0 1 (f ; x, t). k+2 (f ; x, t), k ≥ 0. P. derivate of f at x of order k + 2, f (s) (x). P. derivative f(k+2) (x), possibly inﬁnite (s) in this case. Note that if f(k+2) (x) is ﬁnite, then this deﬁnition agrees with the one given above; this we now show. 5) f (x + t) + (−1)k f (x − t) 1 2 tk+2 ̟k+2 (f ; x, t) + P (t) (k + 2)!

Tk G(t) = . k! Then since F (0) = F ′ (0) = · · · = F (k−2) (0) = 0 and G(0) = G′ (0) = · · · = G(k−2) (0) = 0 for any t > 0, there is, by the mean value theorem, an ξ such that 0 < ξ < t and F (k−1) (ξ) F (t) = (k−1) . 4) G(t) G (ξ) To see this, for x in some neighbourhood of 0 write k−2 Φ(x) = F (x) + i=1 (t − x)i (i) F (t) G(x) + F (x) − i! G(t) k−2 i=1 (t − x)i (i) G (x) . i! Observe that Φ(0) = Φ(t) = 0 and Φ′ (x) = F (t) (t − x)k−2 (k−1) (t − x)k−2 (k−1) F (x) − G (x); (k − 2)! G(t) (k − 2)!

Let n be a ﬁxed positive even integer, n = 2k say, and consider 0 < h1 < h2 < · · · < hk . 1), then this limit is called the symmetric Riemann∗ derivative of f at x of order n, n = 2k. If n is a positive odd integer, n = 2k − 1 say, consider 0 < h1 < h2 < · · · < hk . 2) hk →0 h1 →0 exists, the last limit being ﬁnite or inﬁnite, while the inner limits are ﬁnite, then this limit is called the symmetric Riemann∗ derivative of f at x of order n, n = 2k − 1. The symmetric Riemann∗ derivative of f at x of order n is ∗(s) written f(n) (x).