Linnik's Constant
The constant 
in Linnik's Theorem. Heath-Brown (1992) has shown that 
, and Schinzel,Sierpinski, and Kanold (Ribenboim 1989) have conjectured that 
.
References
Finch, S. ``Favorite Mathematical Constants.'' http://www.mathsoft.com/asolve/constant/linnik/linnik.html Guy, R. K. Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, p. 13, 1994. Heath-Brown, D. R. ``Zero-Free Regions for Dirichlet Ribenboim, P. The Book of Prime Number Records, 2nd ed. New York: Springer-Verlag, 1989.-Functions and the Least Prime in an Arithmetic Progression.'' Proc. London Math. Soc. 64, 265-338, 1992.
- Jackson's Difference Fan
- Jackson's Identity
- Jackson's Theorem
- Jacobi Algorithm
- Jacobian
- Jacobian Conjecture
- Jacobian Curve
- Jacobian Determinant
- Jacobi-Anger Expansion
- Jacobian Group
- Jacobi Differential Equation
- Jacobi Differential Equation (Calculus of Variations)
- Jacobi Elliptic Functions
- Jacobi Function of the First Kind
- Jacobi Function of the Second Kind
- Jacobi-Gauss Quadrature
- Jacobi Identities
- Jacobi Matrix
- Jacobi Method
- Jacobi Polynomial
- Jacobi Quadrature
- Jacobi Rotation Matrix
- Jacobi's Curvature Theorem
- Jacobi's Determinant Identity
- Jacobi's Imaginary Transformation