k.stm
Reputation
6,028
Next privilege 10,000 Rep.
Access moderator tools
 Apr11 answered about hyperplanes in finite fields Apr8 asked Why are functors exact if they preserve all short exact sequences? Apr6 answered Relative homotopy and composition of maps Apr6 answered the number of inversions in the permutation “reverse” Apr4 answered Let $\alpha\in R$. Prove that $\mathbb Q(\alpha)\cong\mathbb Q(x)$ iff $\alpha$ is transcendental. Apr4 answered If $F$ has characteristic $p$ and $f(x)=x^p-a\in F[x]$, then $f(x)$ is either irreducible over $F$ or $f(x)$ splits in $F$. Apr3 answered Prove a map is closed Apr3 answered F=F3[x]/(x3+2x-1) where F3 is the field with 3 elements then which of the following are correct Apr2 answered Prove there are no other invariant subspaces Apr2 answered Use the the division algorithm and the fact that $I= (\alpha)$ Mar31 answered Can flooring and ceiling thirds sum up to more than a whole? Mar31 answered Kernel of biproduct projection is the other biproduct injection Mar31 answered From any ten naturals, find some numbers whose sum is divisible by $10.$ Mar31 answered Prove that G\S generates G Mar31 answered Is there any way to test the existence of left or right inverse matrix? Mar15 answered Question about open mapping theorem Mar12 answered Method of finding a p-adic expansion to a rational number Feb22 answered Why is homeomorphism understood as stretching and bending? Feb19 answered Every subgroup of $\mathbb{Z}/n\mathbb{Z}$ is cyclic. Feb10 answered Rings and equations