ARTICLE

doi:10.20944/preprints201811.0301.v8
Subject:
Computer Science And Mathematics,
Logic
Keywords:
Brocard's problem; BrocardRamanujan equation $x!+1=y^2$; composite Fermat numbers; Erd\"os' equation $x(x+1)=y!$; prime numbers of the form $n^2+1$; prime numbers of the form $n!+1$; Sophie Germain primes; twin primes
Online: 5 June 2019 (08:37:55 CEST)
HYPOTHESIS

doi:10.20944/preprints202105.0769.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
Ramanujan zetafunction; Ramanujan's taufunction; entire Ramanujan zetafunction; Ramanujan $\Xi$function; RiemannHardy conjecture
Online: 31 May 2021 (12:34:12 CEST)
ARTICLE

doi:10.20944/preprints202109.0097.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
Prime counting function Supremum/Infimum; prime numbers distribution; Ramanujan Interval; Ramanujan primes
Online: 6 September 2021 (13:21:06 CEST)
ARTICLE

doi:10.20944/preprints202303.0420.v7
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
Brocard's problem; BrocardRamanujan equation x!+1=y^2; composite Fermat numbers; composite numbers of the form 2^(2^n)+1; Erd\"os' equation x(x+1)=y!
Online: 18 May 2023 (08:25:27 CEST)
ARTICLE

doi:10.20944/preprints202108.0557.v2
Subject:
Computer Science And Mathematics,
Geometry And Topology
Keywords:
conoid; ellipse; Ramanujan; calculus of surface areas; number Psi; number Pi; 3Dconstruction of complex geometries; Engineering Design Objects; Architectural Forms
Online: 21 February 2023 (03:35:09 CET)