bluebrandon
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 Brandon
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 84
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 40
Questions Asked

bluebrandon:
Let G be a planar graph with no K3 subgraph. Prove G is 4 colourable.
 updated one month ago
 3 replies
 No Medals Yet
Mathematics

bluebrandon:
Let p be an integer so that p≥3 and let G be a planar graph having p vertices and 3p−7 edges. Prove that G is connected.
I'm a little uns…
 updated one month ago
 No Medals Yet
Mathematics

bluebrandon:
Let p>=3 and G be a planar graph with p vertices and 3p7 edges. Prove G is connected.
A connected graph is a graph in which for any 2 ve…
 updated one month ago
 14 replies
 1 Medal
Mathematics

bluebrandon:
Let G be a graph with V={1,2,...100}, where x,y have an edge connecting them if xy=2 or xy=8.
Is G connected? Prove your claim.
…
 updated one month ago
 1 reply
 1 Medal
Mathematics

bluebrandon:
Let G be a graph with
V(G)={1,...,2n}
E(G)={{2i1,2i}: 1<=i<=n}
…
 updated one month ago
 67 replies
 1 Medal
Mathematics

bluebrandon:
How many compositions of n with k parts are there in which each part is a even number
except that a 1 may occur as a part at most once?
 updated 2 months ago
 40 replies
 1 Medal
Mathematics

bluebrandon:
I need help finding the expression for a coefficient
https://db.tt/g9dfvPpB
 updated 3 months ago
 1 reply
 No Medals Yet
Mathematics

bluebrandon:
solve for n in terms of c
cn^20 = n^n
 updated 11 months ago
 7 replies
 No Medals Yet
Mathematics

bluebrandon:
I need to prove that there exists an n* such that
0 <= cn^20 <= n^n for all c>0 and all n>n*
…
 updated 11 months ago
 2 replies
 No Medals Yet
Mathematics

bluebrandon:
Express the following power series as a rational function.
http://db.tt/Upfwx1vW
 updated 11 months ago
 1 reply
 No Medals Yet
Mathematics

bluebrandon:
Help with Combinatorics: generating functions
http://db.tt/Upfwx1vW
 updated 11 months ago
 No Medals Yet
Mathematics

bluebrandon:
Let n be a positive integer. A permutation of [n] is a bijection σ : [n] > [n]. How many permutations of [n] satisfy the property that σ(1)…
 updated 11 months ago
 1 reply
 No Medals Yet
Mathematics

bluebrandon:
How many {0,1} strings are there with exactly n zeros and m ones.
 updated 11 months ago
 3 replies
 1 Medal
Mathematics

bluebrandon:
Show that satisfiability of first order formulae is undecidable.
 updated one year ago
 No Medals Yet
Mathematics

bluebrandon:
Can anyone help me with this resolution refutation problem?
https://dl.dropbox.com/u/6717478/Untitled.png
 updated one year ago
 No Medals Yet
Mathematics

bluebrandon:
Can someone help me understand this First Order Logic problem?
https://dl.dropbox.com/u/6717478/Untitled.png
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

bluebrandon:
If there are 2 bacteria per liter, how many are there in 20cc? 60cc?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

bluebrandon:
A kind of algae is distributed in water according to a PPP (Poisson Point Process). It is known that the expected number of bacteria is 2 pe…
 updated one year ago
 23 replies
 No Medals Yet
Mathematics

bluebrandon:
prove using the Hilbert System
{¬q} ⊢ (p→q)→(¬p)
…
 updated one year ago
 29 replies
 No Medals Yet
Mathematics

bluebrandon:
prove using the Hilbert System
{not q} ⊢ (p→q)→(not p)…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

bluebrandon:
prove using the Hilbert System
{not q} ⊢ (p→q)→(not p)
 updated one year ago
 45 replies
 1 Medal
Mathematics

bluebrandon:
If you had a 5 digit pin (numbers 0  9) with all combinations of digits being equally likely, what is the probability of guessing the pin i…
 updated one year ago
 43 replies
 1 Medal
Mathematics

bluebrandon:
A florist stocks red roses and white roses. Of these, some have thorns and some do not. Let R be the event that a rose is red, and let T be …
 updated one year ago
 47 replies
 2 Medals
Mathematics

bluebrandon:
If you have a deck of 24 cards and 4 of those are kings and 4 are queens, what is the probability of being dealt a hand of 5 cards with neit…
 updated one year ago
 8 replies
 1 Medal
Mathematics

bluebrandon:
Suppose that A and B are two events. Draw a Venn diagram and use it to explain how P(~A ∩ ~B) can be computed if all you know are P(A), P(…
 updated one year ago
 12 replies
 1 Medal
Mathematics

bluebrandon:
If anyone can help me on this difficult linear algebra problem I would appreciate it!
http://dl.dropbox.com/u/6717478/Untitled.png
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

bluebrandon:
How can I prove that this sequence is increasing? http://dl.dropbox.com/u/6717478/Untitled.png
 updated 2 years ago
 29 replies
 2 Medals
Mathematics

bluebrandon:
Can someone help me with this sequence problem?
http://dl.dropbox.com/u/6717478/Untitled.png
…
 updated 2 years ago
 28 replies
 2 Medals
Mathematics

bluebrandon:
Can someone help me with this sequence problem?
http://dl.dropbox.com/u/6717478/Untitled.png
…
 updated 2 years ago
 12 replies
 3 Medals
Mathematics

bluebrandon:
I'm not sure how many people on here know Scheme, but I was wondering if anyone could help me figure out how to convert a binary search tree…
 updated 2 years ago
 4 replies
 3 Medals
Mathematics
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