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#1 Help Me ! » Homomorphis ring *** » 2009-12-23 07:07:44

GTK X Hunter
Replies: 1

Suppose

are rings, and mappings
both are homomorphisms. Then show that
is also a homomorphism!

#2 Help Me ! » Isomorphism ring :P » 2009-12-23 06:30:30

GTK X Hunter
Replies: 1

Suppose

and
are positive integer numbers with
, then show that the mapping
with
is isomorphism ring!

#3 Help Me ! » RING Ding Dong :)) » 2009-12-23 06:26:34

GTK X Hunter
Replies: 1

Given an abelian group

. Show that
under homomorphism addition and homomorphism multiplication operation which is defined as composition of function, is a ring. Does this ring have unity element? Is this ring commutative?

#4 Help Me ! » Ring of Endomorphism =3 » 2009-12-23 06:18:39

GTK X Hunter
Replies: 0

Let

be a ring with unity and let
be the ring of endomorphisms of
. Let
, and let
be given by
.
a) Show that
is an endomorphism of

b) Show that
is a subring of

c) Prove the analogue of Cayley's theorem for
by showing that
of (b) is isomorphic to

#5 Help Me ! » Ideals of ring and isomorphic ring :) » 2009-12-23 06:09:31

GTK X Hunter
Replies: 1

1) Find all ideals

of
. In each case compute
; that is, find a known ring to which the quotient ring is isomorphic.

2) Give addition and multiplication tables for

. Are
and
isomorphic rings?

#6 Help Me ! » ideal of ring » 2009-12-16 17:27:44

GTK X Hunter
Replies: 1

Let

be a commutative ring and
be the ideal of
. Show that
is also the ideal of
.

#7 Help Me ! » how to prove the subring? » 2009-11-28 11:37:51

GTK X Hunter
Replies: 1

Given Ring

and
. If
then show that
is the subring of
.

#8 Help Me ! » ALGEBRA - i need more examples about ring -_-? » 2009-11-28 11:35:21

GTK X Hunter
Replies: 1

Please give me EXAMPLE and explain about:

- Commutative ring and uncommutative ring which doesn't have unit element
- Ring which has different unit element with its subring's unit element

#9 Help Me ! » INTEGRATE this INTEGRAL in INTEGRATING you INTEGRATION hahaha » 2009-10-13 02:58:44

GTK X Hunter
Replies: 2

If

is continuous,
and

Find the maximum value of

Please explain to me...roflol

#10 Exercises » INTEGRATE this INTEGRAL in INTEGRATING you INTEGRATION hahaha » 2009-10-13 02:55:54

GTK X Hunter
Replies: 0

If

is continuous, and

Find the maximum value of

Please explain to me...dunno

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