Let $B$ be a smooth elliptic curve over $\mathbb{R}$. Then, what is its function field $\mathbb{R}(B)$? More precisely, I need to understand if the quadratic form $x^2+y^2+z^2$ represents zero over $\mathbb{R}(B)$.
2026-04-07 06:10:51.1775542251
Function field of real elliptic curve
350 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in ALGEBRAIC-GEOMETRY
- How to see line bundle on $\mathbb P^1$ intuitively?
- Jacobson radical = nilradical iff every open set of $\text{Spec}A$ contains a closed point.
- Is $ X \to \mathrm{CH}^i (X) $ covariant or contravariant?
- An irreducible $k$-scheme of finite type is "geometrically equidimensional".
- Global section of line bundle of degree 0
- Is there a variant of the implicit function theorem covering a branch of a curve around a singular point?
- Singular points of a curve
- Find Canonical equation of a Hyperbola
- Picard group of a fibration
- Finding a quartic with some prescribed multiplicities
Related Questions in ALGEBRAIC-NUMBER-THEORY
- Splitting of a prime in a number field
- algebraic integers of $x^4 -10x^2 +1$
- Writing fractions in number fields with coprime numerator and denominator
- Tensor product commutes with infinite products
- Introduction to jacobi modular forms
- Inclusions in tensor products
- Find the degree of the algebraic numbers
- Exercise 15.10 in Cox's Book (first part)
- Direct product and absolut norm
- Splitting of primes in a Galois extension
Related Questions in ELLIPTIC-CURVES
- Can we find $n$ Pythagorean triples with a common leg for any $n$?
- Solution of $X^5=5 Y (Y+1)+1$ in integers.
- Why does birational equivalence preserve group law in elliptic curves?
- CM elliptic curves and isogeny
- Elliptic Curve and Differential Form Determine Weierstrass Equation
- Difficulty understanding Hartshorne Theorem IV.4.11
- Elementary Elliptic Curves
- Flex points are invariant under isomorphism
- The Mordell equation $x^2 + 11 = y^3$.
- How do we know that reducing $E/K$ commutes with the addition law for $K$ local field
Related Questions in ALGEBRAIC-CURVES
- Singular points of a curve
- Finding a quartic with some prescribed multiplicities
- Tangent lines of a projective curve
- Value of $t$ for which a curve has singular points.
- Reference for $L$-functions of curves
- Bézout's theorem for intersection of curves
- Curves of genus 0
- Multiplicity of singular points in a curve.
- Intersection of a quartic and conics.
- Rational points on conics over fields of dimension 1
Trending Questions
- Induction on the number of equations
- How to convince a math teacher of this simple and obvious fact?
- Find $E[XY|Y+Z=1 ]$
- Refuting the Anti-Cantor Cranks
- What are imaginary numbers?
- Determine the adjoint of $\tilde Q(x)$ for $\tilde Q(x)u:=(Qu)(x)$ where $Q:U→L^2(Ω,ℝ^d$ is a Hilbert-Schmidt operator and $U$ is a Hilbert space
- Why does this innovative method of subtraction from a third grader always work?
- How do we know that the number $1$ is not equal to the number $-1$?
- What are the Implications of having VΩ as a model for a theory?
- Defining a Galois Field based on primitive element versus polynomial?
- Can't find the relationship between two columns of numbers. Please Help
- Is computer science a branch of mathematics?
- Is there a bijection of $\mathbb{R}^n$ with itself such that the forward map is connected but the inverse is not?
- Identification of a quadrilateral as a trapezoid, rectangle, or square
- Generator of inertia group in function field extension
Popular # Hahtags
second-order-logic
numerical-methods
puzzle
logic
probability
number-theory
winding-number
real-analysis
integration
calculus
complex-analysis
sequences-and-series
proof-writing
set-theory
functions
homotopy-theory
elementary-number-theory
ordinary-differential-equations
circles
derivatives
game-theory
definite-integrals
elementary-set-theory
limits
multivariable-calculus
geometry
algebraic-number-theory
proof-verification
partial-derivative
algebra-precalculus
Popular Questions
- What is the integral of 1/x?
- How many squares actually ARE in this picture? Is this a trick question with no right answer?
- Is a matrix multiplied with its transpose something special?
- What is the difference between independent and mutually exclusive events?
- Visually stunning math concepts which are easy to explain
- taylor series of $\ln(1+x)$?
- How to tell if a set of vectors spans a space?
- Calculus question taking derivative to find horizontal tangent line
- How to determine if a function is one-to-one?
- Determine if vectors are linearly independent
- What does it mean to have a determinant equal to zero?
- Is this Batman equation for real?
- How to find perpendicular vector to another vector?
- How to find mean and median from histogram
- How many sides does a circle have?