Lukas' Notes
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Folder: Insights
59 items under this folder.
Jun 28, 2026
Second Law of Thermodynamics gives Time its Arrow
Jun 28, 2026
Security properties are undecidable
Jun 28, 2026
Set of all Strings is countable
Jun 28, 2026
Sigmoid Turns a Score into a Probability
Jun 28, 2026
Some NP-Complete Problems Fit Through Subexponential Gaps
Jun 28, 2026
Spooky Action at a Distance
todo
Jun 28, 2026
Subexponential Time Needs a Ruler
Jun 28, 2026
The Brain has no Pain Receptors
Jun 28, 2026
The Geometry of the Perceptron Algorithm
Jun 28, 2026
The first Anti-Malware Software was a Malware
Jun 28, 2026
The saved return address turns adjacent buffers into control flow
security
memory
c
Jun 28, 2026
Time in a Turing Machine
Jun 28, 2026
Two Machines Can Hide Partition
Jun 28, 2026
URL validation is hard
Jun 28, 2026
Hidden Neurons Have No Teacher
Jun 28, 2026
Hyperexcitability doesn't improve Cognition
Jun 28, 2026
Independent Set Inherits 3-SAT's Exponential Barrier
Jun 28, 2026
Linear Operations Are Index Wiring
Jun 28, 2026
MLPs are universal Boolean functions
Jun 28, 2026
MLPs are universal classifiers
Jun 28, 2026
MLPs are universal function approximators
Jun 28, 2026
Matroids are the Shape Behind Greedy
Jun 28, 2026
Migraine is about Overexcitement
Jun 28, 2026
Mixing code and data is the root of web injection
Jun 28, 2026
Moving Branching Decisions into Decode Stage reduces Branch Delay
Jun 28, 2026
Neurons that fire together wire together
Jun 28, 2026
Not Every Decision Problem is decidable
Jun 28, 2026
Nouns are Terms
Jun 28, 2026
One Learning Rate Has to Please Every Direction
Jun 28, 2026
Orthogonality Splits Space
Jun 28, 2026
Pseudo-Polynomial Dynamic Programming is about Compression
Jun 28, 2026
Quantum Circuits Must Be Reversible
Jun 28, 2026
Quantum Computing is about Distributing Information
Jun 28, 2026
Reverse-Engineering the password_manager_v2 binary
security
binary-analysis
Jun 28, 2026
Same-origin vs same-site is the seam XSS and CSRF defences break on
Jun 28, 2026
A 1-bit oracle can leak a whole database
Jun 28, 2026
A Deadline Gap Can Hide Subset Sum
Jun 28, 2026
A Hessian Eigenvalue Is Curvature in One Direction
Jun 28, 2026
A Large Learning-Rate Ratio Makes Descent Slow
Jun 28, 2026
A Matrix is a Linear Operator
Jun 28, 2026
A Neural Layer Draws Many Tests, Not One Boundary
Jun 28, 2026
A Pattern Carries Its Own Restart Points
Jun 28, 2026
A Perceptron Draws One Hyperplane
Jun 28, 2026
A Smooth Proxy Can Miss a Separator
Jun 28, 2026
A format string walks the stack by counting specifiers, not argument count
security
memory
c
Jun 28, 2026
Adjectives and Verbs are Predicates
Jun 28, 2026
An origin maps to many UI trees and PWMs guess which
web
security
mobile
Jun 28, 2026
Approximation's Collapse to Exactness
Jun 28, 2026
Bain's Ideas
Jun 28, 2026
Binary Encoding is Compact
Jun 28, 2026
Binary Error is Flat
Jun 28, 2026
Bras Test Directions and Kets Rebuild Them
Jun 28, 2026
Computation is about exploring Search Spaces
Jun 28, 2026
Cookies carry integrity, not just confidentiality, of the session
Jun 28, 2026
Eigenvectors Are Directions a Linear Operator Only Scales
Jun 28, 2026
Every Normed Vector Space is a Metric Space
Jun 28, 2026
Every mitigation closes one attack class and opens the next
security
memory
Jun 28, 2026
Fixed Machines Hide Number Partitioning
Jun 28, 2026
God does not play dice with the Universe
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