Exploring Euler’s Constant Julian Havil Julian Havil princeton university press princeton and oxford Copyright c by Princeton University Press Published. J. Havil, Gamma, Exploring Euler’s Constant, Princeton University Press, Princeton and Oxford, , page G. Boros and V. Moll, Irresistible Integrals: . It was first defined by Euler (), who used the letter C and stated that it was ” worthy of serious consideration” (Havil , pp. xx and 51). The symbol gamma .

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Euler-Mascheroni Constant

Gosperwith replacing the undefined ; Bailey and Crandall can be obtained from equation 24 by rewriting as a double seriesthen applying Euler’s series transformation to each of these series and adding to get equation Numerical gavil suggests that all values of corresponding to nontrivial zeros are irrational e. But by the functional equation, the nontrivial zeros are paired as andso if the zeros with positive imaginary part are written asthen the sums become.

Here, the sum runs over all primes and positive integers such thatand therefore potentially includes some primes multiple times.


Integrals that give in combination with other simple havill include. Another connection with the primes was provided by Dirichlet’s proof that the average number of divisors of all numbers from 1 to is asymptotic to.

According to Hardyp. The symbol is sometimes also used for. Hardy and Wrightp.

Tables of Integrals, Series, and Products, 6th ed. Explore thousands of free applications across science, mathematics, uavil, technology, business, art, finance, social sciences, and more.

This resemblance which is made even clearer by changing in Ten Trillion Zeta Zeros. The Euler-Mascheroni constantsometimes also called ‘Euler’s constant’ or ‘the Euler constant’ but not to be confused with the constant is defined as the limit of the sequence.

Chebyshev Functions — from Wolfram MathWorld

Collection of teaching and learning tools built by Wolfram education experts: Explore thousands of free applications across science, mathematics, engineering, technology, business, art, finance, social sciences, and more. By taking the logarithm of both sides, an explicit formula for is obtained. Guillera and SondowSondowis given in Sondow It was first defined by Eulerwho used the letter and stated that it was “worthy of serious consideration” Havilpp.

A curious sum limit converging to is given by. The javil table lists historical benchmarks in the number of computed zeros Gourdon Multiplicative Number Theory, 2nd ed. Item in Beeler, M. The Riemann zeta function can be factored over its nontrivial zeros as the Hadamard product.


Sondow; Borwein et al. These values can also be written in terms of the Li constants Bombieri and Lagarias Practice online or make a printable study sheet.

Rosser’s Theorem — from Wolfram MathWorld

The values of for2, Princeton University Press, pp. Combinatorics 2No. Mon Dec 31 It is not known if this constant is irrationallet alone transcendental Wellsp. The Distribution of Prime Numbers. The Engel expansion of is given by 2, 7, 13, 19, 85,, Hardy is alleged to have offered to give up his Savilian Chair at Oxford to anyone who proved to be irrational Havilp.

So-called “trivial zeros” occur at all negative even integers,

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