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Some fun with Euler’s identity
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Notes on Holevo’s Theorem
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Computing the prime ideals in the ring of polynomials with integer
coefficients
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Books
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Quote Garden
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Two rules, same function; two functions, same rule
-
Relative primality of polynomials over a UFD is preserved over the
fraction field
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Some notes on relative primality
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Ideal-theoretic characterization of irreducibility
-
Computing the prime ideals in the ring of complex polynomials in two
variables
-
linear regression from scratch
-
Examples of funny a priori analytic knowledge
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Algèbre linéaire : Parlons de matrice d’expression, au lieu de
matrice de passage
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Revisiting the infinitude of primes
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Minimal polynomial, naturally
-
A minor observation about conditionals and logical equivalence
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Deriving the PMF for a Pure-Birth Process with Alternating Rates
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Algorithm
-
The Aharonov Bohm effect
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My definition of infinitieth derivative
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small attack on lwe
-
Next-Word Prediction, Good-Turing Estimation, and Expectations of
Sums
-
Awesome Math Test C Part I Question 2
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What is a Martingale in Mathematics and Why Is It Important for
Finance?
-
How to Decentralize L2s on Kaspa in the Post-Crescendo Pre-ZK Era
(KIP-15 for dummies)
-
Microplastics and the Environment: Cat Theory
-
S-DFP
-
六、链条件
-
The subobject classifier in the category of representations of a
monoid
-
On subobject classifiers
-
The Three Woes of Bitcoin’s Fee Market (and How BlockDAGs Can Fix
Them) – Part IV: Discussion and Conclusion
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The Three Woes of Bitcoin’s Fee Market (and How BlockDAGs Can Fix
Them) – Part III: BlockDAG Fee Markets
-
Décompositions utiles en algèbre linéaire (CPGE)
-
The Three Woes of Bitcoin’s Fee Market (and How BlockDAGs Can Fix
Them) – Part II: Blockchain Fee Markets
-
The Three Woes of Bitcoin’s Fee Market (and How BlockDAGs Can Fix
Them) – Part I: Background
-
Inductive limit topology on
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The many faces of Nakayama’s Lemma
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On integral morphisms
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On algebras over a ring
-
One reason that makes the axiomatic contruction of reals
interesting.
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On the cotangent space on a smooth manifold, defined from its
structure sheaf
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On direct limits, and computing them from cofinal subsets
-
Skyscraper sheaves
-
Two neat facts about equations
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The Integrals of a Sequence of Iteratively Defined Functions.
-
Proving absence, numerosity and existence
-
[DC #1]
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Equivalence of Standard and Twisted Special Orthogonal Lie
Algebras
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A characteristic feeling: exploring characteristic classes - Part 1,
cohomology
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Normalizer and Generalized Weightspaces in Lie Algebras
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An Example of a Maximal Nilpotent Subalgebra that is not a Cartan
Subalgebra
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The dominance order on partitions
-
A simpler description for the ideal generated by the symmetric
polynomials in two variables
-
Galois connections: examples and theory
-
Making determinants my friends
-
Primes: the indivisible and the indispensable (4)
-
Filters are generalized subsets, and other small remarks on
filters
-
Motivating bialgebras and Hopf algebras
-
A Problem of Skolem - Part 1
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Primes: the indivisible and the indispensable (3)
-
Spring 2025 Research Questions
-
Goat-and-switch: An Explanation for Monty Hall
-
Primes: the indivisible and the indispensable (2)
-
Proof that a relation is an equivalence relation if and only if it is
both reflexive and circular
-
An Elementary Number Theory Problem
-
Primes: the indivisible and the indispensable (1)
-
My definition of circular relations
-
Three Variants of a Simple Card Game
-
Anotações a “Ética a Nicômaco” 1 e 10.6–9
-
Argumento ontológico (1)
-
Every open cover has a countable subcover => a countable dense
set
-
test
-
An Introduction to Differential Geometry and Curvature
-
İlk Gönderim
-
The triply punctured sphere
-
Baby steps Titan steps
-
The Expected Number of Men with at Least One Woman Next to Them
-
The Expected number of Transitions in
flips of a Coin
-
Holomorphic one-forms and the genus
-
Conformal mappings between annuli
-
Blichfeldt’s Lemma and Minkowski’s Theorem
-
A Test of the Platform
-
First post
-
Birational invariance of plurigenera
-
The Tate curve and p-adic analytic geometry, part 1
-
Notes on Forcing on Topoi
-
implementing 64 bits integers in RNS (residue number system)
-
The canonical sheaf of projective space
-
A vector lattice norm is alwalys order continuous on
-
First post
-
Characterizing quantum state-space with a single quantum
measurement
-
Singular plane curves in pencils, topologically
-
4-Manifolds, Part 1: The intersection form
-
After some algebra...
-
QBuki Notes on Reconstruction
-
Alexander Duality: Part 1
-
Bounded distances of tile vertices from a line: parallels between the
Fibonacci and Hat tilings
-
First post
-
A 2-norm sphere
-
Some constants
-
Math Material for Algo- & HFT, Book by
Cartea-Jaimungal-Penalva
-
y-on-x and x-on-y regressions
-
Cartier divisors and the Picard group
-
Depolarization and the Urgleichung
-
Simple linear regression model — revisted using the maximum
likelihood estimator
-
Order convergence in an order ideal
-
Simple linear regression model
-
Relating radii
-
When is the lower bound saturated?
-
Brennan 1998: The Role of Learning in Dynamic Portfolio Decisions
-
From a lower-bound on the variance to the Jordan product?
-
Bismuth-Gueant-Pu 2019: Portfolio choice … under drift
uncertainty
-
Quantum Mechanics: An Introduction
-
Linear Algebra in Population Modeling
-
Estimation Theory
-
Intro to Diff Attention
-
Deep Learning with Pytorch, core materials
-
Completando cuadrados para resolver cuadráticas
-
Should Machines Think : A perspective on the goals of Artificial
Intelligence
-
General topology (Autumn 2024), 1
-
Understanding Schemes Part II - The road to Spec (Coordinate Rings
and Morphisms)
-
On the Theory of Knights and Knaves
-
Hanson 2007 Book – Background Info on Jump Diffusions
-
Appendix A – Hanson 2007 Book
-
First Post – A Note to my Future Self
-
Algebraic geometry (Autumn 2024), 1
-
Working my way through Baby Rudin: Every neighborhood is an open
set
-
First post
-
Solutions to some exercises in Murphy’s C*-algebra and Operator
Theory
-
Dictator Problems
-
About This Blog
-
Why Not Lambda Encodings?
-
Perceived Issues with Interaction Nets
-
Zariski Topology
-
Functor Network turns one year old!
-
My take on what derivative is.
-
Lagrangian Framework for Fluids Suggest Symmetry-Breaking Mechanism
for Turbulent Flows
-
A sequence whose adjacent terms always make the given algebraic
expression a square number
-
扭力测量系统
-
Weak metrizability of a ball and separability
-
Polynomial rings
-
Ring of fractions and localization
-
Back Prop
-
First post
-
Basic ring theory
-
Abelianization Volley #3 - Adjoint Functors
-
Modelos Estadísticos (draft)
-
Compactness of integral operators
-
Approximation by simple functions on a product σ -algebra
-
Guide to Royden and Fitzpatrick’s Real Analysis: The Radon-Nikodym
Theorem (Part 1)
-
MODBUS单精度浮点数
-
Abelianization Volley #2 - Abelianization
-
Jordan-Hölder Theorem
-
Nilpotent and solvable groups
-
PE 890 (Spoilers)
-
Introduction
-
Abelianization Volley #1 - Universal Arrows
-
Group actions and Sylow theorems
-
Krull-Schmidt theorem
-
Finitely generated abelian groups
-
Products, coproducts, and free objects in groups and abelian
groups
-
Image test
-
Basic category theory, products, coproducts, and free objects.
-
Conjugation as change of representation
-
COMSOL 动网格
-
Inside STL sort algorithm
-
Newmark method
-
Axler, Linear Algebra Done Right, Chapter 1.C Exercises
-
计算科学与工程 学习笔记 A=LU
-
计算科学与工程 学习笔记 Au=b
-
Axler, Linear Algebra Done Right, Chapter 1.B Exercises
-
LLM is all you need
-
Stillwell, Elements of Number Theory, Chapter 1 Exercises
-
Munkres, Topology, Section 13 Exercises
-
Rudin, Principles of Mathematical Analysis, Chapter 3 Exercises
-
Rudin, Principles of Mathematical Analysis, Chapter 2 Exercises
-
Understanding Schemes Part I - Classical Algebraic Geometry
-
Collating Textbook References
-
Axler, Linear Algebra Done Right, Chapter 1.A Exercises
-
When semigroups are groups
-
Artin, Algebra, Chapter 2 Exercises
-
Midnight
-
Book Club-"Cake Cutting: Be Fair if you Can" - Meeting 1
-
Sun Set — a connected subset of a plane that is a union of pairwise
disjoint closed sets
-
Rudin, Principles of Mathematical Analysis, Chapter 1 Exercises
-
Tensor Products - How two polynomial rings in one variable give one
polynomial ring in two variables! (huh?)
-
A geometrical explanation of the determinant formula for
matrices
-
Be ruthless! A list of what makes a math textbook good
-
Ease-In-Out Curves From Scratch
-
“I’m typing this with sticky fingers” — my cutest interaction on Math
Stack Exchange
-
Seven Sketches in Compositionality - Exercise 2.73.1
-
Seven Sketches in Compositionality - Exercise 2.68
-
Seven Sketches in Compositionality - Exercise 2.61
-
Algunos comentarios...
-
Demostración de pi por método de Newton
-
Problems with the PCG implementation from the npm package pcg
-
Some observations while writing a collection of optimized PRNGs in
JS
-
Norm, Trace and Discriminant in a Number Field
-
Moysés e Tipler em: primeira e segunda leis de Newton
-
Upper bound topology of T4 topologies might not be T4 (examples)
-
Need help
-
Fun with Van Kampem
-
Discrete Deformations of Shifting Piecewise Sets
-
Taking Math Notes in Obsidian: An Overview
-
Exercises on tensor product
-
Hellooo
-
Hello world!
-
Gadget Framework
-
Useless Machines
-
Constraint Logic
-
Loopy Games
-
idk
-
Nimber x Tables
-
µ
-
{On|Nothing}
-
Oneiric Numbers
-
Strange Maths*
-
Abstr@ct
-
Mountain Air
-
New Blog?
-
Convolutional Discrete Calculus – Video Outline
-
Hyper(tasks/computation)
-
Hypersurreal?
-
Schrödinger’s cat
-
Tree(3)
-
Nimbers
-
∞ Magnifying
-
Mathology
-
Tiny Time
-
Over the ☽
-
A Short Fiction Story: Infinite Supply of Soup
-
The Nature and Existence of Numbers
-
Dynamics and Control:State Space Modeling
-
I Advocate for a Base-12 Counting System
-
Pac-man’s World
-
God and Mathematics (Descartes)
-
Doubting Mathematics (Descartes)
-
Syntax and Semantics Concerning Power Sets
-
Vector Sum and Minkowski Sum
-
Brunn-Minkowski Inequality and the Basic Isomperimetric
Inequality
-
Prekopa-Leindler inequality
-
Welcome!
-
Da relação entre dimensão e base
-
Box topology is rarely metrizable
-
Tychonoffication with an application
-
may fail to be a von Neumann algebra
-
Hi. It’s me.
-
Raj
-
First Post
-
Naturalizando o determinante
-
Hello
-
Introducing the Featherflu™ H5N1 Bird Flu Research Foundation
-
(almost) interval preserving maps preserve order continuity
-
Dye’s theorem for C*-algebras
-
initial post
-
alpaca-lora: Experimenting with home-cooked Large Language Model
-
test
-
Guten Tag
-
Testing Functor network
-
More explanation on e
-
Inaugural release of Functor Network
-
Hi