Tau Conjecture
Also known as Ramanujan 
proposed that
where
is the Tau Function, defined by
This was proven by Deligne (1974), who was subsequently awarded the Fields Medal for his proof.See also Tau Function
References
Deligne, P. ``La conjecture de Weil. I.'' Inst. Hautes Études Sci. Publ. Math. 43, 273-307, 1974. Deligne, P. ``La conjecture de Weil. II.'' Inst. Hautes Études Sci. Publ. Math. 52, 137-252, 1980. Hardy, G. H. Ramanujan: Twelve Lectures on Subjects Suggested by His Life and Work, 3rd ed. New York: Chelsea, p. 169, 1959.
- Internal Knot
- Interpolation
- Interquartile Range
- Interradius
- Intersection
- Interspersion
- Intersphere
- Interval
- Interval Graph
- Interval Order
- Intrinsically Linked
- Intrinsic Curvature
- Intrinsic Equation
- Invariant
- Invariant Density
- Invariant (Elliptic Function)
- Invariant Manifold
- Invariant Point
- Invariant Subgroup
- Inverse Cosecant
- Inverse Cosine
- Inverse Cotangent
- Inverse Curve
- Inverse Filter
- Inverse Function