Recent content by kadas

ah, awesome. Now I understand how the "if and only if" parts works. How stupid of me not to think of an example of singleton. Thanks!

A set S is closed iff it contains all its adherent points iff it contains all its accumulation point? From what I know, in general accumulation point is a subset of adherent point, but if supposed I have a closed set, then the "if and only if" forces me to conclude that accumulation point =...

hmm...thanks for the reference, i'll try to take a look at it.hahha..

wow! thank you for your answer, that's enlightening for me...by the way, i am a physics student, it just happen that I have to learn set theory and I am not used to the way mathematician describe everything in a very refined way..I used to think that " this one or that one is "quite obvious""...

thanks for your reference!

Can you guys explain to me what is the difference between least element and minimal element? I keep struggling to understand the difference between them but till now i still cannot resolved it. right now, i am trying to learn set theory, do you have any reference(book, link,whatever) that i...

Hi guys, can you guys point to me what are the recent experimental results that show that cells can be induced to make a pluripotent cells?

hi, coincidentally I am also confused with the concept of free particle. From what i google i found out that there is someone who wrote a contradicting statement from what griffith has written. here's the link. folk.uio.no/trondson/freeparticle.pdf sorry, but i am still a beginner in quantum...

oh,damn, why don't I just googled it...sorry..but thanks, for link..

Can you explain to me what is a spin temperature?what is it for? and if possible any reference that can help my understanding.. thanks, kadas