“Trivial” assymptotic bound in Gallagher's paper












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In his paper On the distribution of primes in short intervals, right before equation 9, Gallagher states that $$sum_{d|D}frac{mu^2(d)*C^{omega(d)}}{phi(d)}sum_{substack{egt x/d \ text{(e,D)=1}}}frac{mu^2(e)*C^{omega(e)}}{phi^2(e)}llsum_{d|D}frac{mu^2(d)*C^{omega(d)}}{phi(d)}frac{d}{x}{log}^B x$$ where C is a fixed constant, $omega(n)$ is the number of prime factors of $n$, $mu$ is the Mobius function and D is given by $$D = sum_{ilt j}(d_i-d_j)$$ in which $1leq d_1lt ... lt d_r leq h$, h being a fixed positive constant and the $d_i$'s are integers.



To my understanding the notation $ll$ means : does not grow faster than, with respect to the variable $x$. The paper can be found here : cambridge.org



What I can't understand is how one gets $$sum_{substack{egt x/d \ text{(e,D)=1}}}frac{mu^2(e)*C^{omega(e)}}{phi^2(e)}llfrac{d}{x}{log}^B x$$










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$endgroup$












  • $begingroup$
    Unless we have access to the paper, to which you have only given us a partial citation, we cannot help you with this.
    $endgroup$
    – Lord Shark the Unknown
    Jan 6 at 14:03










  • $begingroup$
    A standard method is Selberg-Delange method. This begins with writing $$sum_{n=1}^{infty} frac{mu(n) C^{w(n)}}{phi(n)^2 n^s}$$ as a product of a power of the Riemann zeta function and a function whose abscissa of absolute convergence is $sigma>1-delta$ for some $delta>0$.
    $endgroup$
    – i707107
    Jan 8 at 1:14
















0












$begingroup$


In his paper On the distribution of primes in short intervals, right before equation 9, Gallagher states that $$sum_{d|D}frac{mu^2(d)*C^{omega(d)}}{phi(d)}sum_{substack{egt x/d \ text{(e,D)=1}}}frac{mu^2(e)*C^{omega(e)}}{phi^2(e)}llsum_{d|D}frac{mu^2(d)*C^{omega(d)}}{phi(d)}frac{d}{x}{log}^B x$$ where C is a fixed constant, $omega(n)$ is the number of prime factors of $n$, $mu$ is the Mobius function and D is given by $$D = sum_{ilt j}(d_i-d_j)$$ in which $1leq d_1lt ... lt d_r leq h$, h being a fixed positive constant and the $d_i$'s are integers.



To my understanding the notation $ll$ means : does not grow faster than, with respect to the variable $x$. The paper can be found here : cambridge.org



What I can't understand is how one gets $$sum_{substack{egt x/d \ text{(e,D)=1}}}frac{mu^2(e)*C^{omega(e)}}{phi^2(e)}llfrac{d}{x}{log}^B x$$










share|cite|improve this question











$endgroup$












  • $begingroup$
    Unless we have access to the paper, to which you have only given us a partial citation, we cannot help you with this.
    $endgroup$
    – Lord Shark the Unknown
    Jan 6 at 14:03










  • $begingroup$
    A standard method is Selberg-Delange method. This begins with writing $$sum_{n=1}^{infty} frac{mu(n) C^{w(n)}}{phi(n)^2 n^s}$$ as a product of a power of the Riemann zeta function and a function whose abscissa of absolute convergence is $sigma>1-delta$ for some $delta>0$.
    $endgroup$
    – i707107
    Jan 8 at 1:14














0












0








0





$begingroup$


In his paper On the distribution of primes in short intervals, right before equation 9, Gallagher states that $$sum_{d|D}frac{mu^2(d)*C^{omega(d)}}{phi(d)}sum_{substack{egt x/d \ text{(e,D)=1}}}frac{mu^2(e)*C^{omega(e)}}{phi^2(e)}llsum_{d|D}frac{mu^2(d)*C^{omega(d)}}{phi(d)}frac{d}{x}{log}^B x$$ where C is a fixed constant, $omega(n)$ is the number of prime factors of $n$, $mu$ is the Mobius function and D is given by $$D = sum_{ilt j}(d_i-d_j)$$ in which $1leq d_1lt ... lt d_r leq h$, h being a fixed positive constant and the $d_i$'s are integers.



To my understanding the notation $ll$ means : does not grow faster than, with respect to the variable $x$. The paper can be found here : cambridge.org



What I can't understand is how one gets $$sum_{substack{egt x/d \ text{(e,D)=1}}}frac{mu^2(e)*C^{omega(e)}}{phi^2(e)}llfrac{d}{x}{log}^B x$$










share|cite|improve this question











$endgroup$




In his paper On the distribution of primes in short intervals, right before equation 9, Gallagher states that $$sum_{d|D}frac{mu^2(d)*C^{omega(d)}}{phi(d)}sum_{substack{egt x/d \ text{(e,D)=1}}}frac{mu^2(e)*C^{omega(e)}}{phi^2(e)}llsum_{d|D}frac{mu^2(d)*C^{omega(d)}}{phi(d)}frac{d}{x}{log}^B x$$ where C is a fixed constant, $omega(n)$ is the number of prime factors of $n$, $mu$ is the Mobius function and D is given by $$D = sum_{ilt j}(d_i-d_j)$$ in which $1leq d_1lt ... lt d_r leq h$, h being a fixed positive constant and the $d_i$'s are integers.



To my understanding the notation $ll$ means : does not grow faster than, with respect to the variable $x$. The paper can be found here : cambridge.org



What I can't understand is how one gets $$sum_{substack{egt x/d \ text{(e,D)=1}}}frac{mu^2(e)*C^{omega(e)}}{phi^2(e)}llfrac{d}{x}{log}^B x$$







number-theory upper-lower-bounds






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share|cite|improve this question













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edited Jan 13 at 11:28







TheDabol51

















asked Jan 6 at 13:57









TheDabol51TheDabol51

12




12












  • $begingroup$
    Unless we have access to the paper, to which you have only given us a partial citation, we cannot help you with this.
    $endgroup$
    – Lord Shark the Unknown
    Jan 6 at 14:03










  • $begingroup$
    A standard method is Selberg-Delange method. This begins with writing $$sum_{n=1}^{infty} frac{mu(n) C^{w(n)}}{phi(n)^2 n^s}$$ as a product of a power of the Riemann zeta function and a function whose abscissa of absolute convergence is $sigma>1-delta$ for some $delta>0$.
    $endgroup$
    – i707107
    Jan 8 at 1:14


















  • $begingroup$
    Unless we have access to the paper, to which you have only given us a partial citation, we cannot help you with this.
    $endgroup$
    – Lord Shark the Unknown
    Jan 6 at 14:03










  • $begingroup$
    A standard method is Selberg-Delange method. This begins with writing $$sum_{n=1}^{infty} frac{mu(n) C^{w(n)}}{phi(n)^2 n^s}$$ as a product of a power of the Riemann zeta function and a function whose abscissa of absolute convergence is $sigma>1-delta$ for some $delta>0$.
    $endgroup$
    – i707107
    Jan 8 at 1:14
















$begingroup$
Unless we have access to the paper, to which you have only given us a partial citation, we cannot help you with this.
$endgroup$
– Lord Shark the Unknown
Jan 6 at 14:03




$begingroup$
Unless we have access to the paper, to which you have only given us a partial citation, we cannot help you with this.
$endgroup$
– Lord Shark the Unknown
Jan 6 at 14:03












$begingroup$
A standard method is Selberg-Delange method. This begins with writing $$sum_{n=1}^{infty} frac{mu(n) C^{w(n)}}{phi(n)^2 n^s}$$ as a product of a power of the Riemann zeta function and a function whose abscissa of absolute convergence is $sigma>1-delta$ for some $delta>0$.
$endgroup$
– i707107
Jan 8 at 1:14




$begingroup$
A standard method is Selberg-Delange method. This begins with writing $$sum_{n=1}^{infty} frac{mu(n) C^{w(n)}}{phi(n)^2 n^s}$$ as a product of a power of the Riemann zeta function and a function whose abscissa of absolute convergence is $sigma>1-delta$ for some $delta>0$.
$endgroup$
– i707107
Jan 8 at 1:14










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