User Jfischer - Mathematics Stack Exchange

5 votes

0 answers

366 views

Markovian Hawkes Process elementary proof

asked Apr 17, 2019 at 11:58

4 votes

1 answer

111 views

Lower bound on the number of walks of length $l$ in a graph

asked Jul 10, 2021 at 16:45

3 votes

1 answer

202 views

Perfect matching preserving connectedness in regular bipartite graph

asked Jul 15, 2021 at 9:31

3 votes

1 answer

48 views

Interpretation of combinatorial term for sub-graphs in strongly regular graphs

asked May 18, 2021 at 15:14

3 votes

0 answers

84 views

Equality of weighted norm of matrix columns

asked Aug 17, 2021 at 16:46

3 votes

1 answer

98 views

Is group defined by action on $\mathbb{R}$ a free group?

asked Oct 27, 2023 at 11:31

2 votes

1 answer

85 views

Plane curve in tropical geometry with "multiplicative inverse"

asked Feb 24 at 19:55

2 votes

1 answer

221 views

Positive integer solutions to product

asked Feb 23, 2022 at 15:03

2 votes

0 answers

109 views

Discrete time Gronwall lemma

asked Jun 5, 2019 at 6:15

2 votes

0 answers

205 views

Second moment of Continuous Time Markov Chain hitting time

asked Jun 21, 2019 at 11:18

2 votes

0 answers

56 views

Relation between Continuous Time Markov Chain $X_t$ and $X_{\sqrt{t}}$

asked Jun 24, 2019 at 7:01

2 votes

0 answers

31 views

Which Properties of Distribution follows from Identity of Expected Value

asked Jul 22, 2019 at 12:47

2 votes

0 answers

31 views

Comparing two continuous time Markov chains based on their first moment ODE

asked Jul 4, 2019 at 7:32

2 votes

0 answers

51 views

Minimal exponent for transition matrix to be positive

asked Jan 21, 2021 at 14:05

2 votes

1 answer

84 views

Number of distinct red and blue colored cycles

asked Apr 12, 2021 at 11:06

1 vote

1 answer

256 views

What are "different" bipartite regular graphs?

asked Apr 14, 2021 at 15:43

1 vote

1 answer

29 views

Least dense $k$ subgraph of regular graph

asked Apr 27, 2021 at 12:20

1 vote

1 answer

71 views

Interpretation of combinatorial identity involving binomial coefficients

asked Apr 29, 2021 at 12:54

1 vote

0 answers

25 views

Contradiction in Conditions for Theorem for comparison of Markov Chains?

asked Jul 4, 2019 at 13:10

1 vote

1 answer

74 views

Urn Problem and Cartesian Product of Graphs

asked Mar 31, 2020 at 13:24

1 vote

0 answers

21 views

Transformation of Degree Sequence which preserves Graphical Sequence

asked Apr 1, 2020 at 14:11

1 vote

1 answer

78 views

Embedding Johnson Graph in $\mathbb{R}^2$

asked Aug 12, 2020 at 11:49

1 vote

2 answers

148 views

Find Solution to inhomogenous nonliner ODE from solution to homogenous problem

asked Jun 27, 2019 at 13:22

1 vote

0 answers

31 views

Asymptotically logarithmic power series for $z\to 1$ with positive coefficients

asked Jun 20, 2019 at 6:18

1 vote

0 answers

87 views

Stolz–Cesàro theorem to find limit of sequence

asked May 4, 2019 at 12:12

1 vote

1 answer

67 views

Sum of independent random variables is $\sim\mathrm{Exp}(\lambda)$

asked May 11, 2019 at 7:08

1 vote

1 answer

35 views

Relate series of weighted differences $\sum_{i=0}^{\infty}(z^i-z^{i+1})b_{i+1}$ to power series

asked Apr 2, 2019 at 5:34

1 vote

1 answer

45 views

NW-SE diagonal sums of Riordan array

asked Nov 18, 2022 at 13:55

1 vote

1 answer

61 views

Markov chain transition between sets

asked Oct 31, 2021 at 15:55

1 vote

0 answers

41 views

Absorbing discrete time Markov chain with pure death-like structure

asked Nov 12, 2021 at 8:03

Stack Exchange Network

80 Questions

Markovian Hawkes Process elementary proof

Lower bound on the number of walks of length $l$ in a graph

Perfect matching preserving connectedness in regular bipartite graph

Interpretation of combinatorial term for sub-graphs in strongly regular graphs

Equality of weighted norm of matrix columns

Is group defined by action on $\mathbb{R}$ a free group?

Plane curve in tropical geometry with "multiplicative inverse"

Positive integer solutions to product

Discrete time Gronwall lemma

Second moment of Continuous Time Markov Chain hitting time

Relation between Continuous Time Markov Chain $X_t$ and $X_{\sqrt{t}}$

Which Properties of Distribution follows from Identity of Expected Value

Comparing two continuous time Markov chains based on their first moment ODE

Minimal exponent for transition matrix to be positive

Number of distinct red and blue colored cycles

What are "different" bipartite regular graphs?

Least dense $k$ subgraph of regular graph

Interpretation of combinatorial identity involving binomial coefficients

Contradiction in Conditions for Theorem for comparison of Markov Chains?

Urn Problem and Cartesian Product of Graphs

Transformation of Degree Sequence which preserves Graphical Sequence

Embedding Johnson Graph in $\mathbb{R}^2$

Find Solution to inhomogenous nonliner ODE from solution to homogenous problem

Asymptotically logarithmic power series for $z\to 1$ with positive coefficients

Stolz–Cesàro theorem to find limit of sequence

Sum of independent random variables is $\sim\mathrm{Exp}(\lambda)$

Relate series of weighted differences $\sum_{i=0}^{\infty}(z^i-z^{i+1})b_{i+1}$ to power series

NW-SE diagonal sums of Riordan array

Markov chain transition between sets

Absorbing discrete time Markov chain with pure death-like structure