# All posts by tag

### Tags

- algebra
- analysis
- chat
- combinatorics
- finance
- groups
- maths
- number‑theory
- probability
- programming
- tripos

### algebra

Aug 2021 | An Interesting Combinatorial Sum |

### analysis

Sep 2021 | Erdős Theorem on Monotone Multiplicative Functions |

### chat

Jun 2021 | Welcome! |

### combinatorics

Aug 2021 | An Interesting Combinatorial Sum | |

Aug 2021 | A Short Handout on Hall’s Marriage Theorem |

### finance

May 2024 | Deriving a PDE For Call Option Prices with Black-Scholes |

### groups

Jun 2021 | The 5/8 Theorem – Maximum Probability of Group Elements Commuting | |

Jun 2021 | Some Examples and Counterexamples in Group Theory |

### maths

### number-theory

Sep 2021 | Erdős Theorem on Monotone Multiplicative Functions |

### probability

May 2024 | Deriving a PDE For Call Option Prices with Black-Scholes |

### programming

Jul 2021 | Writing a Javascript Module Bundler |

### tripos

Aug 2021 | An Interesting Combinatorial Sum |