user avatar
user avatar
user avatar
AspiringMat
  • Member for 6 years, 9 months
  • Last seen this week
8 votes
Accepted

Arithmetic or Geometric sequence?

7 votes
Accepted

Proof that a Kernel of a Linear Mapping is a Subspace

6 votes

Black queens on $n\times n$ board

3 votes
Accepted

Upper bound on $x_{i+1} = x_i (1-(1-\frac{1}{n})^{x_{i}-1})$ with $x_0=n$

3 votes

how to make the objective value of primal program close to zero

3 votes
Accepted

ISBN show that $x_{10}=\sum^{9}_{i=1} ix_i$

3 votes

Intermediate Value theorem inequality problem

2 votes

What is a Jacobian?

2 votes

A $a\times b \times c$ cube formed by small $1^3$ cubes. If a laser beam travels along the diagonal of the cube, how many small cubes does it cross?

2 votes

number coefficients of an infinite root of 2

2 votes
Accepted

Determine the biggest summand of a special sum of binomial coeffients

2 votes
Accepted

Stable marriage problem with all men having the same preference (2)

2 votes

How can you prove that $\lim_{x \to \infty} \frac{x^{100}}{1.01^x} = 0$ using definition of limit?

1 vote

Inequality proof $\prod_{cyc} (ab+1)$

1 vote

In how many ways can 30 identical balls be distributed into 6 distinct boxes (numbered box 1, ... , box 6) where each box gets an odd number of balls?

1 vote
Accepted

Equality between maximal matching and minimum vertex cover

1 vote

Dynamic programming algorithm

1 vote
Accepted

construct graph using max flow algorithm

1 vote

Dynamic Time Warping

1 vote

Minimize $\text{Cost}(j_1, ..., j_n)=\sum_{i=1}^{n-1}T_{j_i}\left( \sum_{k=i+1}^{n}L_{j_k} \right)$

1 vote
Accepted

Proving that a greedy algorithm is an $\frac{1}{2}$-Approximation algorithm for the unbounded Knapsack problem

1 vote

How many actions on average to complete described coloring balls game?

1 vote

Continuous Inverse theorem proof.

1 vote

Figuring out value of exponential function as n approaches infinity

1 vote

Existence of $2$ permutations of $S_n$ such that $\pi_1 \circ{} \pi_1 ^{-1}= \pi_2\circ{}\pi_2^{-1}=\pi_1 \circ{} \pi_2^{-1}=[n n-1 ... 1]$

1 vote
Accepted

Circular logic in evaluation of elementary limits

1 vote
Accepted

How to make a non-continuous multivariable function continuous with a function along a subset?

1 vote

How to prove: if a function is integrable on $[a, b]$ then $\int_{a}^{c} f(x) + \int_{c}^{b}f(x)=\int_{a}^{b}f(x)$

1 vote

Show that $g(x) = \sqrt{1 + x^2}$ is continuous

1 vote
Accepted

What is the expected total number of topological sorts in a Directed a cyclic graph with $n$ vertices?