Can every group be extended to ring with idenity
54236
Does every Abelian group admit a ring structure?
147901
Show that, in a group of n people, everyone has the same number of friends if..
127130
Can you invite or join people to a group using the Facebook API? With events?
123137
Recursion: putting people into groups of 1 or 2
2375
What's the best way to send a signal to all members of a process group?
44497
Can we equip the power set $P$ of any set $S$ with a binary operation such that $P$ becomes a group (with some restrictions)?
139218
Is this group solvable?
80381
Groups with "few" subgroups
158722
how to verify users are in group
56551
Multiplicative group of field extension over base field
92750
Groups where all elements are order 3
66510
A group is abelian if and only if the center of the group is all the group
85164
Needing help picturing the group idea.
16691
how to extend a basis
78882
selectively make contact groups silent
126426
Does every infinite finitely generated group contains an element of infinite period?
48736
How can I find out if the current user is in a specific group?