math.stackexchange.com > questions
Lesbesgues measurable and essential topology continuity
1+ hour, 2+ min ago —...What would make it false in the case of Lebesgues ?... ...This example provides a continuous function which is not Lebesgue... ...If so, what would be the Lebesgues hierarchy, compared to Borel_hierarchy...
mathoverflow.net > questions
Are there Sudoku variants which are useful or mathematically deep?
1+ hour, 2+ min ago —...Something like this seems to be a recent paper of Greenfeld and Tao...
math.stackexchange.com > questions
Why does randomness sometimes lead to order?
1+ hour, 11+ min ago —.../wiki/Schelling%27s_model_of_segregation) My understanding is as... ...I am learning about Schelling's Model of Segregation (https://en.wikipedia.org...
math.stackexchange.com > questions
Meaning of the radical symbol in the field of complex numbers
3+ hour, 4+ min ago —...If "$surd$" is the principal square root, then $y$ takes a single... ...it necessary to specify if the symbol "$surd$" refers to the principal...
math.stackexchange.com > questions
Finding a way out of the labyrinth
1+ hour, 9+ min ago —...My thoughts: I have had two attempts at a solution, one using BFS... ...and one using DFS, but in both of them I encounter difficulties... ...DFS: Do DFS, starting from the starting room, with corridors bypassed...
math.stackexchange.com > questions
Comparing the value of convex linear homogeneous functions of added random variables
1+ hour, 37+ min ago — math.stackexchange.com > questions
dense subspace of a Hilbert space is the domain of some unbounded operator
1+ hour, 33+ min ago —...and Magenes section 2.1.... ...We aim to show that Given two Hilbert spaces $Xsubset Y$ with $X... ...can be identified as the domain of a densely defined unbounded operator...
math.stackexchange.com > questions
Why does fair random process lead to unfair result?
1+ hour, 24+ min ago —...Random choose two people A and B (random means uniform and independent...
math.stackexchange.com > questions
Composition of symbols of pseudo-differential operators
1+ hour, 46+ min ago —...$endgroup$ â Andrea Aveni Commented 33 mins ago You must log... ...pseudo-differential operators - $begingroup$ What happens if you apply the Leibniz...