Participate in expert discussion on topology and analysis topics. This includes point-set topology, Real, complex, harmonic and functional analysis. Also measure and integration theory.
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Undergrad How can a Lissajous Curve be represented in 3D?
- tejolson
- · Replies 3 ·
Graduate Ker[cos(x)] Analysis: \pi \mathbb{Z} ± π/2
- Bachelier
- · Replies 2 ·
Graduate Why Did Rudin Use Absolute Value When Calculating the Derivative?
- Bachelier
- · Replies 4 ·
Graduate Bernoulli's Rule: Existence of a Point c in (a,b)
- Bachelier
- · Replies 2 ·
Graduate Rudin Proof of Liouville Theorem (Complex A.)
- Bachelier
- · Replies 3 ·
Graduate Can an additive function be nonlinear without AC?
- lugita15
- · Replies 5 ·
Undergrad Vector Calculus by Marsden and Tromba vs. Vector Analysis by Brand
- MechanicalEngr
- · Replies 2 ·
Wedge product and change of variables
- i_a_n
- · Replies 1 ·
Graduate Given a metric space (X,d), the set X is open in X. HELP
- MechanicalEngr
- · Replies 5 ·
Sammy's question at Yahoo Answers (Laurent expansion)
- Fernando Revilla
- · Replies 1 ·
Real Solutions for Equation |x-|x-|x-4||| = a
- anemone
- · Replies 2 ·
Bounded linear functional question? Real Analysis
- Juliayaho
- · Replies 3 ·
What is the Value of A in a Complex Mathematical Expression?
- Albert1
- · Replies 2 ·
Undergrad What Are the Merits of the Laplace Transform?
- IxRxPhysicist
- · Replies 3 ·
G3popstar's question at Yahoo Answers (Principal value of i^i)
- Fernando Revilla
- · Replies 1 ·
Fixed point for a complex mapping.
- ob1st
- · Replies 1 ·
3 questions about iterated integral
- i_a_n
- · Replies 2 ·
Calculating an integral norm in L2
- hmmmmm
- · Replies 1 ·
What is the Countable Union of Countable Sets?
- dlee
- · Replies 1 ·
Vanessa 's question at Yahoo Answers ( R^2-{(0,0)} homeomorphic to S^1 x R )
- Fernando Revilla
- · Replies 1 ·
Looking for a Problem Book in Real Analysis?
- caffeinemachine
- · Replies 10 ·
Graduate Is the Equality of Integral of Complex Conjugates Always True?
- EngWiPy
- · Replies 3 ·
Graduate Function Spaces C^k: Understanding Facts
- Bachelier
- · Replies 3 ·
How Can Fourier Coefficients Help Solve Infinite Series Problems?
- Poirot1
- · Replies 9 ·
Graduate Questions about Derivatives and Continuity.
- Bachelier
- · Replies 5 ·
Graduate Role of real & functional analysis in physics?
- Fizicks1
- · Replies 13 ·
What is the Explanation for the Intermediate Value Theorem 2 Proof?
- solakis1
- · Replies 2 ·
Graduate Recommend book to follow Introduction to Analysis by Rosenlicht
- MechanicalEngr
- · Replies 2 ·
Prove Zeros & Poles of Meromorphic Function Have No Limit Point
- Amer
- · Replies 2 ·
Graduate What good are rigged hilbert spaces?
- jostpuur
- · Replies 8 ·
Graduate How to tell if a space is NOT a covering space of another
- dumbQuestion
- · Replies 3 ·
Graduate Alternative Proof of Cauchy Sequence ##\left(S_n\right) = \frac{1}{n}##
- Bachelier
- · Replies 3 ·
Graduate Can a nontrivial quotient space of R be homeomorphic to R?
- lugita15
- · Replies 4 ·
Undergrad Someone posted this on Facebook. Is it true?
- Jamin2112
- · Replies 12 ·
Graduate Find Analytic Function F: Cauchy-Riemann Eqns
- morganmkm
- · Replies 3 ·
Proof of Theorem (0.2): Questions to Ask
- solakis1
- · Replies 3 ·
Graduate Computing lebesgue number for an open covering
- Useful nucleus
- · Replies 2 ·
Graduate What is the proof for the isomorphism between the open interval (0, 1) and ℝ?
- Bachelier
- · Replies 8 ·
Proving sin⁻¹(ix): 2nπ ± i log (√1+x²+x)
- Suvadip
- · Replies 1 ·
Graduate Evenly distributed points on a sphere
- Mike_In_Plano
- · Replies 3 ·
Graduate How Does Modern Mathematics Prove the Pythagorean Theorem?
- Someone2841
- · Replies 1 ·
Riemann integrable then J-integrable
- i_a_n
- · Replies 1 ·
Riemann integral is zero for certain sets
- i_a_n
- · Replies 1 ·
Undergrad Looking for Material on Wavelets
- stephenkeiths
- · Replies 2 ·
Graduate Cauchy schwarz inequality in Rudin
- joecharland
- · Replies 1 ·
Graduate Open sets and cartesian products
- bedi
- · Replies 9 ·
Prove the following dilogarithmic value
- alyafey22
- · Replies 8 ·
Graduate Convergence of Sequence ##(p_n)## to ##p##
- Bachelier
- · Replies 4 ·
Undergrad What is the Intuitive Explanation for the Definition of Convergence?
- Astrum
- · Replies 4 ·
Graduate A problem from finite element book
- ericm1234
- · Replies 7 ·
Graduate Can Lp functions for 1<p<2 be written as the sum of L1 and L2 functions?
- jpriori
- · Replies 2 ·
Sequence of continuous functions convergent to an increasing real function
- Arnold1
- · Replies 9 ·
How to Find the Differential of a Function at a Specific Point?
- Poirot1
- · Replies 5 ·
Graduate Is S a closed subset of ℝ^n if it is compact?
- bedi
- · Replies 13 ·
Graduate Is My Proof That sup(AB) = supA*supB Correct and How Should I Format My TEX?
- joecharland
- · Replies 1 ·
Prove the following zeta property :
- alyafey22
- · Replies 2 ·
Graduate Understanding Rudin Theorem 1.20 (b): Integers and Real Numbers Explained
- Dschumanji
- · Replies 2 ·
Billy 's question at Yahoo Answers (Complex analysis)
- Fernando Revilla
- · Replies 1 ·
Graduate Graphs of Continuous Functions and the Subspace Topology
- BrainHurts
- · Replies 1 ·
Evaluating Contour Integral $f(z)$ Around $|z|=1$ Circle
- polygamma
- · Replies 1 ·
Find a closed form interpretation for the integral :
- alyafey22
- · Replies 2 ·
Graduate The Cauchy-Goursat Theorem and Contour Integrals
- Bachelier
- · Replies 1 ·
Graduate Why the figure of eight is not a manifold?
- maxverywell
- · Replies 3 ·
Graduate Finding the Limit of Sequence (1/n) with Detailed Criticism
- Someone2841
- · Replies 2 ·
How Does the Schwarz Inequality Apply to Fourier Coefficients in C[-pi, pi]?
- Poirot1
- · Replies 3 ·
Graduate Theorem Reminder: Integral of $\phi$ Over [0,1]
- Bachelier
- · Replies 8 ·
Graduate Complex Analysis: What Does |C| Mean?
- Bachelier
- · Replies 5 ·
Graduate What does it mean for a wave to have an imaginary part?
- IronHamster
- · Replies 7 ·
Use the inverse function theorem to estimate the change in the roots
- i_a_n
- · Replies 2 ·
Co-norm of an invertible linear transformation on R^n
- i_a_n
- · Replies 1 ·
How can I optimize numerical approximation with fewer samples?
- galc81
- · Replies 1 ·
Graduate Fundamental Group of a Cayley Graph
- Monobrow
- · Replies 3 ·
Graduate Taking the natural logarithm of e^(2i*pi)
- rustynail
- · Replies 2 ·
A second complex analysis question
- Tranquillity
- · Replies 13 ·
Graduate Find where a complex function is differentiable
- boogiewithstu
- · Replies 1 ·
Discontinuous and continuous functions
- Carla1985
- · Replies 4 ·
Graduate Are measurable sets open or closed?
- friend
- · Replies 14 ·
Graduate Differentiability of Monotone Function's: Lebesgue's Theorem
- Artusartos
- · Replies 5 ·
Why Is the Real Part of \( z^{1/2} \) Positive?
- Amer
- · Replies 1 ·
Find a Mobius Transformation to Map Real Line to Unit Circle
- Amer
- · Replies 4 ·
Solving Complex Analysis: Find z for z^(1+4i) = i
- Tranquillity
- · Replies 6 ·
Graduate Interpolation of Infinitely Many Points
- l'Hôpital
- · Replies 1 ·
High School Proof that if cos(x+y)=cos(x), then y=2*pi*k?
- suckmyfish1
- · Replies 3 ·
Graduate Can You Shift a Circle in the Complex Plane to Center at 2i?
- ericm1234
- · Replies 3 ·
Undergrad Subsequential Limit of a Sequence
- bphys
- · Replies 2 ·
A proof about maximum point, critical point and differentiation
- i_a_n
- · Replies 1 ·
Graduate Compact linear operator in simple terms?
- mikeph
- · Replies 8 ·
Quick modulus question - complex exponential function
- buckylomax
- · Replies 3 ·
Graduate Writing a function of x and y as a function of z
- ericm1234
- · Replies 6 ·
Digamma function and Harmonic numbers
- alyafey22
- · Replies 12 ·
Graduate Continuity of Measure ( I Think)
- WWGD
- · Replies 2 ·
Analysis of Image superimposing using numerical analysis
- saugata bose
- · Replies 2 ·
Fermat's theorem (stationary points) of higher dimensions
- i_a_n
- · Replies 6 ·
Principal value of complex number
- Suvadip
- · Replies 2 ·
Graduate Using the V-K Thm to find fundamental grp of sphere union disk in R3
- at123
- · Replies 1 ·
How do I find the integral of t^{x-1} e^{-t} from 0 to 1?
- Alone
- · Replies 5 ·
Graduate Boundary of a Mobius band - I think S1 V S1, everyone else says S1?
- dumbQuestion
- · Replies 1 ·
Graduate Inverses of asymptotic functions
- Palafox
- · Replies 3 ·
Graduate Does the set (z^n ; n\in N) span L^2[0,1]?
- LikeMath
- · Replies 5 ·
Graduate Munkres states that equicontinuity depends on metrics
- sammycaps
- · Replies 3 ·