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May
15
answered What are the “building blocks” of a vector?
May
14
answered If $ab=ba$, Prove $a^2$ commutes with $b^2$
May
12
answered Is an irrational number odd or even?
May
12
answered How to Formulate this Linear Algebra Fact in a Coordinate Free way?
May
9
answered Turing Machine Halting problem
May
4
answered $\langle A,B\rangle = \operatorname{tr}(B^*A)$
May
3
answered If $ f $ is injective and $ g $ is injective, then $ f \circ g $ is surjective.
May
3
answered Can we have a one-one function from [0,1] to the set of irrational numbers?
May
2
answered Intersection of two sets which are equivalence on set A is always equivalence?
May
2
answered Give an example to show that convergence of $|x_n|$ does not imply the convergence of $x_n$
May
2
answered What does it mean for two matrices to be orthogonal?
May
2
answered why are equivalence relations called so?
May
2
answered $\text{Alt}\,(\phi_1 \otimes \phi_2 \otimes \phi_3)$
May
2
answered Why is a “reverse surjection” incorrect?
May
2
answered examples of a special problem in linear transformation
May
2
answered Prove that left and right inverses are equal
May
2
answered Can mathematical inductions work for other sets?
May
1
answered What is a basis for the vector space $ \Bbb{C}^{n} $ (a complex vector space)?
May
1
answered Compute $\lim_\limits{n\to\infty}a_n$ where $a_{n+2}=\sqrt{a_n.a_{n+1}}$
May
1
answered $5x\equiv3\pmod3$