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 Yearling
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Oct
24
awarded  Yearling
Oct
14
comment Subsemigroup of integers is finite type?
@user254665 What you write is completely false : try $x=7, y=8$
Oct
14
revised Subsemigroup of integers is finite type?
Add explanation for proof of lemma
Oct
14
suggested approved edit on Subsemigroup of integers is finite type?
Oct
14
comment Subsemigroup of integers is finite type?
Please everybody vote up !!
Oct
14
accepted Subsemigroup of integers is finite type?
Oct
14
comment Subsemigroup of integers is finite type?
Hagen, this is wonderful answer (and no "I may not already know"). I noticed already that you are much, much stronger than most professional mathamaticians I have meeted. Why did you not become mathematics researcher ( profile says "you are out of busyness") ? All my grattitude to you.
Oct
14
asked Subsemigroup of integers is finite type?
Oct
24
awarded  Yearling
Jul
2
awarded  Curious
Feb
9
accepted Direct proof of non-flatness
Feb
9
comment Direct proof of non-flatness
Remarkable answer: you are real strong algebraist! Who are you? :)
Feb
9
asked Direct proof of non-flatness
Oct
24
awarded  Yearling
Jan
4
awarded  Good Answer
Oct
24
awarded  Yearling
Aug
20
comment Primary ideals of Noetherian rings which are not irreducible
nik and frederik: you are both right: thankyou. I corected mistake by giving other example .
Aug
20
revised Primary ideals of Noetherian rings which are not irreducible
corect mistake by giving other (simpler) example
Aug
19
comment I don't understand why the level of rigor used here is necessary
@GerryMyerson. First version of question was very clear. Sarcastical alusion to competition is impolite, specially for new user. Why you think you may speak like that to people here?
Mar
27
comment No Entire Nonconstant function satisfies $f(z) = f(z^*)$
First statement is false. If $f(z)=iz$ then $f(z^*)=iz^*$ but $f(z)^*=-iz^*$.