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Kenny Wong

Cambridge, United Kingdom

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Top Questions
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15
Does Cauchy's theorem's hold if we only assume boundedness?
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15
What is the purpose of defining a Hilbert Space?
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14
Local Degree of a map between n-spheres
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13
How can I prove $A − A(A + B)^{−1}A = B − B(A + B)^{−1}B$ for matrices $A$ and $B$?
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13
Aside from $5$, are all prime Fibonacci numbers also prime in $\mathbb{Z}[\phi]$?
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12
How can SU(2) group has 3 dimensional representation?
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12
Details of gluing sheaves on a cover
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11
Can Sturm-Liouville theory actually solve ODEs?
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10
Show a curve is not a regular surface
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9
“Trivial” geometry behind the intersection pairing on surfaces
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9
Construct homotopy from $(\alpha \cdot \beta) \cdot \gamma$ to $\alpha \cdot (\beta \cdot \gamma)$ explicitly
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9
Explicit nowhere vanishing holomorphic volume form on quintic $3$-fold.
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9
Projectivization of a vector space: projective geometry definition vs algebraic geometry definition
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8
Pushforward of the structure sheaf on $\mathbb{P_\mathbb{C}^1}$
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8
Isometries of $\mathbb{S}^2$
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7
Why does $f$ in $\int f(x)\, dx$ have to be continuous?
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7
Solving or approximating infinitely nested integral
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7
Canonical divisor of the projective line
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7
Find all entire functions with $f(z) = f(\frac{1}{z})$
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7
Curvature of curve: equivalence between tangent vector and angle definitions
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7
Help understanding closed subschemes and closed immersions
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7
A sheaf is flasque if all restriction maps are surjective
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7
more intuitive definition of connectedness
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7
Show that if $f$ is differentiable then…
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6
Prove that the following set of matrices under $\mathbb{Z}_2$ form a field.
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6
Example of an ideal $I$ that is maximal in $R$ but not maximal in $R[x].$
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6
Restriction of Line Bundles on Surfaces
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6
Complete reducibility of a representation of a lie algebra
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6
Short exact sequence of vector bundles vs locally free sheaves
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6
Is a ring of integers necessarily Noetherian?
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