DEV Community

#math

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
The Kelly Criterion for Bettors: Math, Code and When Arbers Don't Need It

The Kelly Criterion for Bettors: Math, Code and When Arbers Don't Need It

Comments
10 min read
Why Most Business Calculators Lie to You: The Mathematics of Integer Bounds and Capacity Value

Why Most Business Calculators Lie to You: The Mathematics of Integer Bounds and Capacity Value

Comments
4 min read
A(7) <= 9 and A(8) <= 11: Z_4^10 x Z_2^2 and Z_4^10 x Z_2^3 settled by hand

A(7) <= 9 and A(8) <= 11: Z_4^10 x Z_2^2 and Z_4^10 x Z_2^3 settled by hand

Comments
20 min read
Probabilities can sum to one and still describe the wrong experiment

Probabilities can sum to one and still describe the wrong experiment

Comments
7 min read
A(6) <= 7: 398 solver answers empty the last case at t = 6

A(6) <= 7: 398 solver answers empty the last case at t = 6

Comments
7 min read
A(5) = 5: four matrices finish the case t = 5

A(5) = 5: four matrices finish the case t = 5

Comments
10 min read
A(4) = 4: one more vector settles Z_4^9 x Z_2^2

A(4) = 4: one more vector settles Z_4^9 x Z_2^2

Comments
11 min read
2-groups whose involutions are all central: one restriction lemma settles every Z_4^a x Z_2^b with a <= 7

2-groups whose involutions are all central: one restriction lemma settles every Z_4^a x Z_2^b with a <= 7

Comments
9 min read
Two roots, one valid size: a local Spark-X2.5-1.7B and SymPy demonstration

Two roots, one valid size: a local Spark-X2.5-1.7B and SymPy demonstration

Comments
4 min read
Two roots, one valid size: a local Spark-X2.5-1.7B and SymPy demonstration

Two roots, one valid size: a local Spark-X2.5-1.7B and SymPy demonstration

Comments
4 min read
4.2 / 0.6 = 7.000000000000001: testing calculator formulas against hand-worked examples

4.2 / 0.6 = 7.000000000000001: testing calculator formulas against hand-worked examples

Comments
4 min read
Cube translates in non-abelian groups: what commutativity is worth

Cube translates in non-abelian groups: what commutativity is worth

Comments
13 min read
The Littlewood conjecture in October 2026: what is proved, what changed in 2026, what is open

The Littlewood conjecture in October 2026: what is proved, what changed in 2026, what is open

Comments
16 min read
The Anchor Step: One Mod-12 Formula That Determines Every Position in a Zi Wei Dou Shu Chart

The Anchor Step: One Mod-12 Formula That Determines Every Position in a Zi Wei Dou Shu Chart

Comments
4 min read
Kakeya sets of rank r over F_2: why 2^(3n/4) is optimal

Kakeya sets of rank r over F_2: why 2^(3n/4) is optimal

1
Comments
13 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.