Dirichlet divisor problem

GPTKB entity

Statements (22)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:bestKnownBound Δ(x) = O(x^{131/416})
gptkbp:classicalResult Δ(x) = O(x^{1/2})
gptkbp:concerns divisor function
gptkbp:d(n) number of positive divisors of n
gptkbp:errorTermNotation Δ(x)
gptkbp:field number theory
https://www.w3.org/2000/01/rdf-schema#label Dirichlet divisor problem
gptkbp:importantFor central in analytic number theory
gptkbp:namedAfter gptkb:Peter_Gustav_Lejeune_Dirichlet
gptkbp:openProblem find smallest possible exponent in error term
gptkbp:relatedTo gptkb:Gauss_circle_problem
gptkb:Riemann_zeta_function
Fourier analysis
modular forms
lattice point problems
gptkbp:studiedBy gptkb:Peter_Gustav_Lejeune_Dirichlet
gptkbp:sumExpression ∑_{n ≤ x} d(n)
gptkbp:type asymptotic behavior of sum of divisor function
estimate error term in sum of d(n) for n ≤ x
gptkbp:bfsParent gptkb:Peter_Gustav_Lejeune_Dirichlet
gptkbp:bfsLayer 5