
Papers: List Papers; (with Abstracts); Curriculum (in Italian): long version ; short version); Google Scholar profile. ResearchGate page. Orcid ID. Scopus Author ID. Thomson Reuters Researcher ID, Mathematical Reviews page. Programs: A. LanguascoWhen I was a highschool student I learned how to write computer programs. During the last four decades I used several programming languages for work, fun, and research. In fact during these years, I wrote programs in EDL (IBM series/1 event driven language), Fortran IV, Fortran 77, MSDOS Basic, Cobol, Digital PDP11 Assembler, Pascal, Modula2, LISP, C. More recently I learned how to use some scripting languages as python and the ones of Pari/Gp and MAXIMA. In several occasions I had the chance to exploit my programming skills for some mathematical purpose; sometimes I got some publishable results. In this page I collect some links to webpages containing softwares and numerical results. Due to the red line phenomenon mentioned in P0 below, I have to state the obvious fact that if you wish to use some of the softwares below for your own research, you should acknowledge the author and cite the relevant paper in which the program was used first. In other words, you can use them but you have to cite the paper of mine that contain such programs. [P0] Sometimes I helped colleagues by providing the numerical result they needed or some of the following programs, see, e.g., these papers [C1] , [C2] , [C3] , [C4] . [P1] Mertens' constants for a product over primes in arithmetic progressions [P2] Mertens' and MeisselMertens' constants for sums over primes in arithmetic progressions [P3] Exponential sums over powers of two [P4] Computation of the EulerKronecker constants for prime cyclotomic fields (and the generalised Euler constants in arithmetic progressions) [P5] Computation of the Kummer ratio of the class number for prime cyclotomic fields [P6] Numerical verification of Littlewood's bounds for L(1,χ) [P7] Computation of RamanujanDeninger Gamma function and some number theoretic applications [P8] Small values of  L'/L (1, χ)  [P9] Uniform effective estimates for L (1, χ) [P10] Landau and Ramanujan approximations for divisor sums and coefficients of cusp forms [P11] Efficient computation of some special functions
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