In mathematics, the theta divisor Θ is the divisor in the sense of algebraic geometry defined on an abelian variety A over the complex numbers (and principally...

identification of theta divisors and translates of the curve C {\displaystyle C} . There is a 1-1 correspondence between pairs of odd symmetric theta divisors and 2-torsion...

In number theory, the divisor summatory function is a function that is a sum over the divisor function. It frequently occurs in the study of the asymptotic...

nonsingular curve of genus ≥ 0 over k, and J its Jacobian, then the theta-divisor of J induces a principal polarisation of J, which in this particular...

Riemann–Roch theorem in all its refinements (via the detailed geometry of the theta-divisor). The classification of algebraic surfaces was a bold and successful...

{\displaystyle \sin ^{2}\theta +\cos ^{2}\theta =1.} As usual, sin 2 ⁡ θ {\displaystyle \sin ^{2}\theta } means ( sin ⁡ θ ) 2 {\textstyle (\sin \theta )^{2}} . Any...

mathematics at the University of Liverpool, where she wrote "The divisor of curves with a vanishing theta-null", for Compositio Mathematica in 1988. In 1997, she...

In mathematics, a theta characteristic of a non-singular algebraic curve C is a divisor class Θ such that 2Θ is the canonical class. In terms of holomorphic...

correspondence between line bundles and divisors (built from codimension-1 subvarieties), there is an equivalent notion of a nef divisor. More generally, a line bundle...

van der Geer, G.; Schoof, R. (2000). "Effectivity of Arakelov divisors and the theta divisor of a number field". Selecta Mathematica. New Series. 6 (4):...

N(d) of the greatest common divisor of a and b is a common divisor of N(a), N(b), and N(a + b). When the greatest common divisor D of these three integers...

under addition on J (see theta-divisor) have dimension n and fill up J, with some identifications caused by special divisors. For g = n we have ΣgC actually...

number theory, σ is included in various divisor functions, especially the sigma function or sum-of-divisors function. In applied mathematics, σ(T) denotes...

\sigma } represents: Stefan–Boltzmann constant in blackbody radiation the divisor function in number theory the real part of the complex variable s = σ +...

deficiency" method, which says to "...combine the excess and deficiency as the divisor; (taking) the deficiency numerator multiplied by the excess denominator...

over M g , 1 {\displaystyle {\mathcal {M}}_{g,1}} , by Yin. Powers of theta-divisor on the universal abelian variety, by Grushevsky and Zakharov. These...

S={\begin{bmatrix}\cos \theta &-\sin \theta &0\\\sin \theta &\cos \theta &0\\0&0&1\end{bmatrix}},} where θ {\displaystyle \theta } is the angle of rotation...

is Riemann's zeta function and σp(n) is the divisor sum function, the sum of the pth powers of the divisors of n. In particular, one has G 4 ( τ ) = π...

construct meromorphic functions on X with given poles and zeros. If Σniai is a divisor linearly equivalent to 0, then ΠE(x,ai)ni is a meromorphic function with...

every finite semigroup S is a divisor of a finite alternating wreath product of finite simple groups (each of which is a divisor of S) and finite aperiodic...

) q 2 n {\displaystyle \Theta _{\Gamma _{8}}(\tau )=1+240\sum _{n=1}^{\infty }\sigma _{3}(n)q^{2n}} where σ3(n) is the divisor function. It follows that...

frontotemporal lobar degeneration, and chronic traumatic encephalopathy Divisor function in number theory, also denoted d or σ0 Golden ratio (1.618...)...

_{0}^{\theta }\sin \theta '\,d\theta '\,d\phi &=\int _{0}^{2\pi }d\phi \int _{0}^{\theta }\sin \theta '\,d\theta '\\&=2\pi \int _{0}^{\theta }\sin \theta '\...

{\displaystyle {\begin{alignedat}{3}\sin \theta &=\theta -{\frac {\theta ^{3}}{3!}}+{\frac {\theta ^{5}}{5!}}-{\frac {\theta ^{7}}{7!}}+\cdots &&=\sum _{k=0}^{\infty...

\theta _{1}\cos \theta _{2}+\sin \theta _{1}\sin \theta _{2}\right)\\&=r_{1}^{2}+r_{2}^{2}-2r_{1}r_{2}\cos \left(\theta _{1}-\theta...

all odd prime divisors of Fn are congruent to 1 modulo 4, implying that all odd divisors of Fn (as the products of odd prime divisors) are congruent...

{\displaystyle p_{n+1}-p_{n}<p_{n}^{\theta },} for all sufficiently large n. Huxley also improved the known bound on the Dirichlet divisor problem. In 2011, Huxley...

2^{k}} divisors. For example, 2 # {\displaystyle 2\#} has 2 divisors, 3 # {\displaystyle 3\#} has 4 divisors, 5 # {\displaystyle 5\#} has 8 divisors and...

results, such as the Ramanujan prime, the Ramanujan theta function, partition formulae and mock theta functions, have opened entire new areas of work and...

principal divisors, i.e., divisors of rational functions. This holds for fields that are not algebraically closed, provided one considers divisors and functions...