Stream

Join this community to post or comment
 
 
At 20 years of age, Stefan Buijsman is probably the youngest in Sweden ever to complete a Ph.D.
Whether mathematics is real, or a story we agreed upon, has long been debated by philosophers. A new dissertation from Stockholm University shows that philosophers failed to include non-experts in the theories. Stefan Buijsman recently defended his thesis in philosophy of mathematics, as Sweden's youngest Ph.D ever.
read more and video here:
http://www.su.se/english/research/research-news/youngest-ph-d-wants-to-understand-the-mathematics-of-non-experts-1.279473
2
2
Add a comment...

Jean DAVID

Challenges  - 
 
By the ruler and the compass - Solution
10
1
Ian Phillips's profile photo
 
Tidy. I'll excuse the transposition ... But can't speak for the row. 
Add a comment...

Darrick Allen

Puzzles/Riddles  - 
 
Can you Solve?

A chemist mixes an 11% acid solution with 4% acid solution. How many milliliters of each solution should the chemist use to make a 700 milliliter solution that is 6% acid?
3
Abraham Benski's profile photoMohammad Shafiei's profile photo
5 comments
 
500 m.l. of 4℅ and 200 m.l. of 6℅
Add a comment...
 
Mathematical challenge.
Who dares?
13
1
Warut Thawinrak's profile photoPaul Hartzer's profile photo
9 comments
 
For anyone still confused, the original question is equivalent to:

Prove that q is prime iff (q - p)!(p - 1)! + 1 = kq, where p is odd and prime, q > p, and k is an integer.
Add a comment...
 
 
Nearly four years after Shinichi Mochizuki unveiled an imposing set of papers that could revolutionize the theory of numbers, other mathematicians have only made modest progress in understanding his work.
Conference on Shinichi Mochizuki’s work inspires cautious optimism.
11
3
Add a comment...

Isaac Calder

Videos/Pictures  - 
 
only three of these..
19
1
Isaac Calder's profile photoThomas Kane's profile photo
3 comments
 
+Isaac Calder an isasolees triagle equill sides 2 2 2
Add a comment...

Ravinder Ravi

Puzzles/Riddles  - 
 
 
#puzzle   What's the area of this blue shaded region?
warm-up your brain..
Find the area of the shaded region in blue: Provided that the triangle is an right angled triangle Hint: Area of Right angled triangle = 1/2(l.b) , where b is the base and h is the height >>CHECK YOUR ANSWER ...
16
1
Michael Rector's profile photoJürgen Weiß's profile photo
45 comments
 
Big triangle -small triangle .the sum of the angles in a triangle is 1/10 of the sum of the sides actually 
Add a comment...

Tyler Jackson

Discussion  - 
 
I would like to ask a very simple question. Is math… how do I put this… is it like a scientific law, or is it more like "Here's what we observe, and we're going to make math change to work with that." And/or "Here's how we assume this works, I did it this way and it caused a paradox, so let's make a fundamental fact that you can't do it this way." And BAM everything works? 
5
John Lato's profile photoJürgen Weiß's profile photo
10 comments
 
+jim ellis inter..it's iternal 
Add a comment...

enlong chiou

Discussion  - 
 
beauty of prime number : golden ratio connect math to physics.
7
1
Add a comment...

Zach Cox

Videos/Pictures  - 
Sure, we love to hate on our own system. Just don’t tell us yours is better.
19
1
Darren Ball's profile photoPaul Hartzer's profile photo
2 comments
 
Re the image: Yes, it is boring. 
Add a comment...

pett pette

Discussion  - 
 
best way to explain what mathematics is?
56
6
Add a comment...
9 comments

About this community

Welcome to the Mathematics Community! Please read the community guidelines before posting: http://goo.gl/SjFp4. Here are the most import things you need to know: *Please check the Dr. Math FAQ if you've got a question that might be common. You might be posting about something that we've already seen numerous times. http://mathforum.org/dr.math/faq/ *Don't link-litter.* If you've found an interesting article that you think the Mathematics community needs to see, please share it! But we want to know why you think it's share-worthy. *No unrelated ads or spam.* *Don’t cheat on homework, classwork, or other exercises.* This community is not well-suited for homework help (see homework policy below), but it has zero tolerance for cheaters. Cheaters will be banned. *Categorize correctly.* *Keep posts relevant to mathematics in some way.* Wondering why your post was removed? Read the complete community guidelines.

Isaac Calder

Videos/Pictures  - 
 
a curiosity: a (central) vertex of valence 42 (where 42 edges & 42 faces meet); all the very best for you all & a great weekend!
11
4
Jürgen Weiß's profile photo
2 comments
 
(Einstein,Euler...)=21 ;21+5=26 (primzahlenblöcke zentrum );2+6 (quersumme)=8 ;8 waagrecht =unendlichkeit 
Add a comment...

pett pette

Discussion  - 
 
solution to the challenge problem (by Jonas Castillo Toloza) below me! Have a nice weekend!!!
10
3
Brundizzle B (verified by your mother)'s profile photopett pette's profile photo
2 comments
 
+Brundizzle B Haha: Wilson's theorem is a theorem! Have a nice weekend1
Add a comment...

PRINCE MISHRA

Discussion  - 
 
When you say that a function is well defined.
1
David “Q the Platypus” Formosa's profile photoChirs Lim's profile photo
4 comments
 
This needs a dank image macro accompanying it.
Add a comment...

Aouadi Ahmed

Research  - 
The theory can be considered a form of Pythagoreanism or Platonism in that it posits the existence of mathematical entities; a form of mathematical monism in that it denies that anything exists except mathematical...
3
Bruce Mincks's profile photonytom4info's profile photo
2 comments
 
Mathematics is a tool....a theory is an opinion! ;)
Add a comment...

Sergio Lema

Discussion  - 
 ·  Translate
3
Paul Gowan's profile photoSergio Lema's profile photo
2 comments
 
No, I haven't seen it yet. I've just looked quickly in the web, and it seems to be quite similar than the Stoke's Theorem, no?
Add a comment...

Eman matalka

Math Questions  - 
 
This is the solution ...
X=30
20
1
julio zuben's profile photoP Grimm's profile photo
3 comments
P Grimm
 
Not the math..,
Add a comment...

Eman matalka

Math Questions  - 
24
3
Snail Erato's profile photoMa. Fidela Anaya Torres's profile photo
39 comments
 
I agree. Snail Erato proof is wright. Check the proporcionality of homologous sides is the bit I was missing! :-)
Add a comment...

LEARN EASILY

Videos/Pictures  - 
 
This video explains how to solve examples on definite integration using the properties of definite integrals in calculus.
10
2
Add a comment...

Darrick Allen

Puzzles/Riddles  - 
 
Can you solve?

The diameter of a bushing is 1.75 in. The bushing has a tolerance of .008 in. Find the lower and upper limits of the diameter of the bushing by creating an inequality.
2
Darrick Allen's profile photo
 
The answer :
-.008<= d - 1.75 <= .008
Add a comment...