A Mathematics Publication
Where rigorous mathematics meets beautiful exposition. Research, history, and the deep mathematics powering artificial intelligence.
From ancient Babylon to Ramanujan — the lives and revolutions that built modern mathematics.
Rigorous coverage of new papers, breakthroughs, and open problems across all branches of mathematics.
PDEs, numerical methods, optimization — mathematics that powers the physical world.
Backpropagation, transformers, information theory — the deep mathematics behind artificial intelligence.
Ideas worth 5,000 words. Elegant expositions of beautiful mathematics for the curious mind.
Weekly coverage of what's new — from arXiv to Fields Medal announcements.
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Problem of the Week
Evaluate the exact closed-form value of the infinite series
For any real , the generalized harmonic number is defined by
where is the digamma function and is the Euler--Mascheroni constant. Here with , all logarithms are natural logarithms, and the series is absolutely convergent.
Determine the exact value of in closed form. Your answer must be expressed as a linear combination of rational multiples of , , , and .
Deadline:
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The extraordinary formulas that arrived in letters from Madras
Srinivasa Ramanujan produced formulas for 1/π of staggering complexity and beauty — with no formal proofs. We trace the...
How an algebraist revealed the deepest structure of physical law
Emmy Noether's theorem connects symmetries to conservation laws, uniting mathematics and physics in a profound way. We...
A rigorous accounting of proven theorems, computational evidence, and 2026's record-breaking bound — not another 'is it finally solved?' piece
What is rigorously proven about the Riemann Hypothesis, what recent record-breaking results actually show, and why the...
The computational engine behind topological data analysis, built up from geometric intuition
Persistent homology tracks how loops, clusters, and voids in data survive across scales, revealing shape that means and...
A first-principles primer on the function that ties prime numbers to the geometry of the complex plane
Starting from a simple infinite sum, we build up the Riemann zeta function, its analytic continuation, and the critical...
Superhuman engines have mastered practical chess. Mathematics has not yet proven what perfect chess is.
Stockfish and AlphaZero have mastered practical chess, but its true value under perfect play remains formally unproven...
When a computer checks every step, what does it mean to know something is true?
Mathematicians are now encoding entire research papers into Lean, a proof assistant that verifies logic at the level of...
The German mathematician's proof of the Mordell conjecture — and decades of structural insight — earn mathematics' highest honour
Gerd Faltings has been awarded the 2026 Abel Prize for introducing powerful tools in arithmetic geometry and resolving...
The computational engine behind topological data analysis, built up from geometric intuition
Persistent homology tracks how loops, clusters, and voids in data survive across scales, revealing shape that means and...
When Fourier meets computation
Spectral methods transform PDEs into algebraic systems using global basis functions. We survey how Fourier and...
Random walks on Wall Street — literally
Monte Carlo simulation is the backbone of derivatives pricing. We explore the mathematics of random sampling, variance...
A rigorous accounting of proven theorems, computational evidence, and 2026's record-breaking bound — not another 'is it finally solved?' piece
What is rigorously proven about the Riemann Hypothesis, what recent record-breaking results actually show, and why the...
A first-principles primer on the function that ties prime numbers to the geometry of the complex plane
Starting from a simple infinite sum, we build up the Riemann zeta function, its analytic continuation, and the critical...
Superhuman engines have mastered practical chess. Mathematics has not yet proven what perfect chess is.
Stockfish and AlphaZero have mastered practical chess, but its true value under perfect play remains formally unproven...
The German mathematician's proof of the Mordell conjecture — and decades of structural insight — earn mathematics' highest honour
Gerd Faltings has been awarded the 2026 Abel Prize for introducing powerful tools in arithmetic geometry and resolving...
Inside the equation that powers modern AI
The Transformer architecture revolutionized AI with a single mechanism: self-attention. We break down the linear...
Why optimization in deep learning is a geometric problem
Gradient descent navigates high-dimensional loss landscapes shaped by curvature and saddle points. We explore the...
The Riemannian manifold of probability distributions
Information geometry equips the space of probability distributions with a Riemannian metric — the Fisher information....