Intereting Posts

Right identity and Right inverse implies a group
Is there a procedure to determine whether a given number is a root of unity?
Prove that Every Vector Space Has a Basis
Solve : $\space 3^x + 5^y = 7^z + 11^w$
For $n \geq 2$, prove that $(1- \frac{1}{4})(1- \frac{1}{9})(1- \frac{1}{16})…(1- \frac{1}{n^2}) = \frac{n+1}{2n}$
Sum the infinite series
Convex Hull of Precompact Subset is Precompact
half sine and half cosine quaternions
The constant of integration during integration by parts
When does $V/\operatorname{ker}(\phi)\simeq\phi(V)$ imply $V\simeq\operatorname{ker}(\phi)\oplus\phi(V)$?
Arc length parameterization lying on a sphere
What is the time complexity of Euclid's Algorithm (Upper bound,Lower Bound and Average)?
Integral domain without unity has prime characteristic?
Set of all injective functions $A\to A$
Does $\sum_{n\ge1} \sin (\pi \sqrt{n^2+1}) $ converge/diverge?

I’m looking for course notes and assignments and hopefully some example exams for Discrete Math, I’m taking a placement exam in the subject after having taken it 4 years ago.

- Why these two problems lead to same answers?
- Variation of Tower of Hanoi
- Counting the numbers with certain sum of digits.
- Is there a more efficient method of trig mastery than rote memorization?
- $x+1/x$ an integer implies $x^n+1/x^n$ an integer
- Discrete Math Bit String proof
- “Long-division puzzles” can help middle-grade-level students become actual problem solvers, but what should solution look like?
- Proof that plane with $N$ lines can be painted with two colors so that any two neighboring regions are painted in different colors
- Elementary Papers at ArXiv
- Alternative set theories

This is the discrete math course one in my school. It contain lecture notes, homework and previous exams. http://www.cs.sunysb.edu/~cse547/

When wanting to know about a particular mathematics subject, I often find that starting with the “further reading” section of the relevant wikipedia page is a good way in.

if you don’t mind shell out a good amount of money, *Concrete Mathematics* by Graham, Knuth and Patashnik could be nice (I own the first edition)

When it comes to textbooks, the Kenneth Rosen text Discrete Mathematics and its Applications is highly recommended. I was first introduced to it at my university, but I’ve seen it cited in several places.

For quick review Schaum’s Discrete Mathematics is good.

If you have time, read **Foundations of Computer Science** By Aho-Ullman. It’s free and available online. Around 800 pages.

- How many combinations of $3$ natural numbers are there that add up to $30$?
- injective holomorphic functions
- How do I Prove the Theorems Needed for “The Deduction Meta-Theorem” from CδCpqCpδq?
- A counterexample to the isomorphism $M^{*} \otimes M \rightarrow Hom_R( M,M)$
- Zero-dimensional ideals in polynomial rings
- Computing Fourier transform of power law
- $\sum_{n=1}^\infty a_n<\infty$ if and only if $\sum_{n=1}^\infty \frac{a_n}{1+a_n}<\infty$
- Proof: $2^{n-1}(a^n+b^n)>(a+b)^n$
- Why is the volume of a sphere $\frac{4}{3}\pi r^3$?
- Bijection between sets of ideals
- Binomial Distribution Problem – Airline Overbooking
- How to solve system of equations with mod?
- Number of Unique Sequences with Circular Shifts
- Open axioms of equality
- Show that $\sqrt{2+\frac {10} 9\sqrt 3}+\sqrt{2-\frac {10} 9\sqrt 3}=2$