1,085 reputation
2623
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location England
age
visits member for 2 years, 5 months
seen 20 mins ago

Math undergraduate student


Sep
29
reviewed No Action Needed condition on the dimensions of a matrix for its inverse to exist
Sep
29
reviewed No Action Needed Tangent bundle of $S^2$ not diffeomorphic to $S^2\times \mathbb{R}^2$
Sep
29
reviewed No Action Needed What does “IR” mean in linear algebra?
Sep
28
reviewed Reviewed Does the first player never lose this numbers game?
Sep
27
reviewed Reviewed Statement equivalent to Limit of sequence
Sep
27
reviewed Reviewed Proving sets implication using the method of contradiction
Sep
27
reviewed No Action Needed Represent the set of values for the mean of all pair combinations?
Sep
24
reviewed Reviewed Travelling Salesman on Subset of Points
Sep
24
reviewed No Action Needed Recognize a shape with a set of Data points
Sep
24
reviewed Reviewed Question on Notation (Set theory)
Sep
23
reviewed Reviewed Showing If A Function Is Convex/Concave
Sep
23
reviewed Reviewed Probability measure on the set of probability measures
Sep
23
answered $\sum_{k=0}^n \binom{n}{k}^2 = \binom{2n}{n}?$
Sep
21
reviewed Reviewed kernel of homomorphism $\mathbb{C}[x,y] \to \mathbb{C}[t]$ but in general case
Sep
21
reviewed Reviewed Pointwise convergence implies uniform convergence in discrete metric space $(X,d)$?
Sep
21
reviewed No Action Needed Problem proving $ P_{r}^{r} + P_{r}^{r+1} + … + P_{r}^{2r} = P_{r}^{2r+1} $
Sep
19
reviewed No Action Needed Show that a matrix A may have all leading principal minors greater or equal to zero, yet not be positive semi-definite.
Sep
18
reviewed No Action Needed Prove using structural induction?
Sep
18
reviewed Reviewed Why do we say that $\sqrt{-0} = -0$?
Sep
18
reviewed Reviewed What is the best strategy for Cookie-Clicker-esque games?