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Is the developable surface between two conic sections, not in the same plane, algebraic?

ag.algebraic-geometry

modified 2 mins ago Jap88 129

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2

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60

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ra.rings-and-algebras polynomials noncommutative-rings laurent-polynomials

modified 5 mins ago YCor 42.2k

3

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65

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Word in $L(\Lambda)$

co.combinatorics rt.representation-theory lie-algebras algebraic-combinatorics kac-moody-algebras

modified 7 mins ago ArB 384

1

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104

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Expected triangle area of normal distributed vertices with colinear expectations

probability-distributions euclidean-geometry geometric-probability triangles

modified 11 mins ago granular bastard 63

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1

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13

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sequences-and-series binomial-distribution

answered 37 secs ago Fedor Petrov 73.5k

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binomial-distribution bernoulli-trial

modified 22 mins ago Silvester 1

8

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131

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4

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302

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nt.number-theory ca.classical-analysis-and-odes polynomials operator-theory

modified 31 mins ago Tom Copeland 6,017

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3

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fa.functional-analysis ap.analysis-of-pdes parabolic-pde semigroups-of-operators

asked 31 mins ago MMFTSBU 101

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Is $C_0(X) $ Frechet-Urysohn with respect to the compact-open topology?

fa.functional-analysis gn.general-topology topological-vector-spaces

asked 33 mins ago erz 4,300

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180

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Flow induced by differentiable velocity field is differentiable

ca.classical-analysis-and-odes differential-equations fluid-dynamics flows gradient-flows

modified 1 hour ago Community♦ 1

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ag.algebraic-geometry ac.commutative-algebra

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35

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Coprime integer solutions to $x_1^{r-1} y_1^r + x_2^{r-1} y_2^r = x_3^{r-1} y_3^r$

nt.number-theory analytic-number-theory

answered 1 hour ago Wojowu 15k

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Subwords of the infinite Fibonacci word

nt.number-theory co.combinatorics sequences-and-series integer-sequences

modified 1 hour ago Clark Kimberling 11

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Is the developable surface between two conic sections, not in the same plane, algebraic?

Idempotent Laurent polynomials (in noncommuting variables)

Word in $L(\Lambda)$

Expected triangle area of normal distributed vertices with colinear expectations

How to prove that these partial binomial sums are zero?

How to prove this “obvious” result from Bernoulli trials / partial Pascal series?

The Cauchy Transform, and the convergence of the Fourier-Stieltjes transforms of a sequence of measures

The Riemann zeta function and differential operators

$L^p(0,T; D(A)) \cap W^{2,p}_0(0,T;X)$-regularity of parabolic abstract Cauchy problem

Is $C_0(X) $ Frechet-Urysohn with respect to the compact-open topology?

Flow induced by differentiable velocity field is differentiable

Family of curve singularities whose generic mebers are smooth

Coprime integer solutions to $x_1^{r-1} y_1^r + x_2^{r-1} y_2^r = x_3^{r-1} y_3^r$

Subwords of the infinite Fibonacci word

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