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7h
accepted What's the point of defining left ideals?
19h
asked What's the point of defining left ideals?
Mar
16
comment Good, memorable explanations for relationship between functions and set operations
@AsafKaragila I didn't assume you are not trying to give intuitive understanding to your students, it would be foolish considering your track record on math.stackexchange. I said you obviously don't have a nice ''story'' about this specific question. If you have, feel free to write an answer to my question, I would like to read it.
Mar
16
comment Good, memorable explanations for relationship between functions and set operations
@AsafKaragila Well, I never said I think EVERYTHING should be explainable to a five year old kid. But in talking to other mathematicians and reading stuff on the internet I found out that some things that I first found complicated turn out to be very intuitive and ''explainable'' if you change your perspective a little bit. So I'm interested if there are some mathematicians who have nice ''stories'' which make this question very intuitive. You obviously aren't one of them, but thanks for contributing anyway.
Mar
16
awarded  Civic Duty
Mar
16
asked Good, memorable explanations for relationship between functions and set operations
Feb
18
asked Visualizing homology and elation in projective geometry
Feb
13
asked Difference between unconditional and absolute convergence in Banach spaces
Feb
5
accepted Understanding cross ratio and harmonic conjugates
Dec
30
asked Understanding cross ratio and harmonic conjugates
Dec
30
accepted A problem from Hungerford
Dec
29
asked A problem from Hungerford
Dec
28
accepted Notation and the name choice for meet and join (in order theory)
Dec
28
asked Notation and the name choice for meet and join (in order theory)
Dec
27
comment Solvable and nilpotent groups, normal series and intuition
@JimBelk Thank you, connecting solvable groups and extensions is just what I needed.
Dec
27
accepted A case where we have a functor, and we are looking for the right adjoint
Dec
27
comment Solvable and nilpotent groups, normal series and intuition
@JimBelk Any particular advice about thinking about normal series?
Dec
26
asked Solvable and nilpotent groups, normal series and intuition
Dec
16
accepted Induced representations
Dec
11
asked Induced representations