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New posts in definition
Direct sums and direct products
abstract-algebra
category-theory
definition
direct-sum
direct-product
What is a directed acyclic graph (DAG)?
graph-theory
definition
directed-graphs
Is it possible to define $\lceil x\rceil$ in terms of $\lfloor\ldots\rfloor$?
algebra-precalculus
definition
ceiling-and-floor-functions
Question about the derivative definition
limits
derivatives
definition
indeterminate-forms
What are central automorphisms used for?
group-theory
finite-groups
definition
intuition
p-groups
Understanding of the formal and intuitive definition of a limit
calculus
limits
definition
What vector field property means “is the curl of another vector field?”
multivariable-calculus
definition
Definition of a measurable function?
measure-theory
definition
measurable-functions
Lie derivative along time-dependent vector fields
derivatives
definition
differential-forms
Is there a way to relate convexity to Gaussian curvature?
geometry
differential-geometry
definition
Why is the Logarithm of a negative number undefined?
logarithms
definition
What is a twisted symmetric group?
abstract-algebra
group-theory
definition
symmetric-groups
What is marshalling? What is happening when something is "marshalled?"
.net
multithreading
marshalling
definition
language-interoperability
Is this an equivalent definition of a normal subgroup?
group-theory
definition
When do you call something "a calculus" vs. "a logic"?
terminology
definition
Topology induced by a convergence notion
general-topology
convergence-divergence
definition
What is the difference between a kernel and a function?
functions
definition
A definition of Conway base-$13$ function
calculus
number-theory
definition
How to write "let" in symbolic logic
logic
notation
definition
What is the formal, precise definition of area (and that of volume) in geometry?
geometry
definition
volume
area
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