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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Graduate Does the Equation (e2Pi i)i = 1 Have a Geometric Meaning?
- abhi2005singh
- · Replies 6 ·
Graduate Can degenerate rectangles be cartesian products of singletons in R^n?
- JG89
- · Replies 1 ·
Graduate Why is the supremum of measurable functions measurable?
- Tedjn
- · Replies 6 ·
High School Is -i Equal to 1/i in Complex Numbers?
- trister
- · Replies 8 ·
Undergrad Functional analysis applications
- cfddjk
- · Replies 3 ·
Graduate Trig identity in complex multiplication
- Shaybay92
- · Replies 5 ·
Graduate Is Re(f) and Im(f) always differentiable for complex functions?
- nonequilibrium
- · Replies 11 ·
Graduate Cosine = Contraction? (Banach)
- nonequilibrium
- · Replies 5 ·
Undergrad Complex numbers, solving polynomial, signs of i
- Platypus26
- · Replies 3 ·
Graduate Smoothness of Fourier Transforms for Rapidly Decaying Functions
- mnb96
- · Replies 7 ·
Graduate Can Ln(-x) Ever Yield a Valid Solution Similar to Complex Numbers?
- Simon43254
- · Replies 9 ·
Graduate What are Sobolev Spaces and why do they depend on dimension?
- muzialis
- · Replies 8 ·
Graduate Solving Complex Functions: Evaluating at z=z_0
- Jerbearrrrrr
- · Replies 2 ·
Graduate An expression in functional analysis
- Charles49
- · Replies 3 ·
Undergrad Identity map and Inverse Image
- wayneckm
- · Replies 1 ·
Graduate Knot Theory and higher dimensions
- Galap
- · Replies 1 ·
Graduate Why is 1^(1/6) equal to cis(n*pi/3)?
- dsanz
- · Replies 9 ·
Graduate Fourier phase (unwrapping problem)
- mnb96
- · Replies 2 ·
Undergrad What's the formula for adding two complex numbers in polar form?
- Juwane
- · Replies 12 ·
Graduate Monotonicity of convex function
- hellbike
- · Replies 1 ·
Graduate How to Compute Residues of cot(piz)f(z)?
- ~Death~
- · Replies 1 ·
Graduate Non-Hausdorff spaces by John L. Bell.
- sutupidmath
- · Replies 4 ·
Undergrad Inequalities of real and complex numbers
- Char. Limit
- · Replies 3 ·
Graduate Definition and properties of polar sets
- typhoonss821
- · Replies 1 ·
Graduate Can we define all reals between two integers as limits of rational numbers?
- Gear300
- · Replies 3 ·
Undergrad Solving for |a| in a Complex Number Equation
- aviravir1
- · Replies 4 ·
Graduate Difference between complete and sequentially compact metric spaces
- Hymne
- · Replies 4 ·
Graduate What is an example of a non-closed subspace in a normed space?
- quasar987
- · Replies 7 ·
High School Domain Notation: Continuous Function
- Shaybay92
- · Replies 8 ·
Undergrad How Does the Inverse of a Complex Number Affect Its Magnitude and Argument?
- plexus0208
- · Replies 4 ·
Graduate Why does e^x have no roots despite its infinite degree power series?
- Mentallic
- · Replies 5 ·
Undergrad Complex Numbers: Why Use Complex Conjugate?
- EngWiPy
- · Replies 4 ·
Undergrad Finding the square root of a+bi (complex number)
- Georgepowell
- · Replies 14 ·
Graduate Solving e^(1/z) + 1/(1-e^(1/z)) = w for complex z
- AxiomOfChoice
- · Replies 2 ·
Undergrad How Do You Correctly Convert Complex Numbers to Mod-Arg Form?
- Mentallic
- · Replies 3 ·
Graduate Basic question: meaning of partition of R into maximal connected intervals
- seeker101
- · Replies 1 ·
Graduate Subspace/induced/relative Topology Definition
- filter54321
- · Replies 3 ·
Undergrad Division with the rectangular form
- Truthlover
- · Replies 4 ·
Graduate Graphing functions of two complex variables.
- pbandjay
- · Replies 2 ·
Graduate Finding complex solutions to e^x = x
- marcusmath
- · Replies 17 ·
Undergrad Real and imaginary parts of an expression
- Physicslad78
- · Replies 1 ·
Undergrad What is a Contour Integral and How is it Calculated?
- Char. Limit
- · Replies 15 ·
Graduate Checking algebra for triangle inequality with distance to a set
- Somefantastik
- · Replies 3 ·
Graduate Hi. Say we want to parametrize the plane R^2.
- daudaudaudau
- · Replies 1 ·
Graduate What is the significance of symmetry in the complex plane?
- lolgarithms
- · Replies 3 ·
Graduate Problems with identity in complex calc
- betel
- · Replies 2 ·
Graduate Differences Between Real and Complex Spherical Harmonics in Signal Rotation
- Cunicultor
- · Replies 7 ·
Graduate Solving i^i: Why is i^i = 0.2078?
- fedaykin
- · Replies 11 ·
Graduate What is the relationship between feedback and topology in control systems?
- thrillhouse86
- · Replies 1 ·
Graduate Can finite metric spaces be embedded into n-dimensional surfaces?
- Dragonfall
- · Replies 4 ·
Undergrad How do you determine the cube root of (-1+i) in complex numbers?
- rpardo
- · Replies 5 ·
Graduate Solving complex exponential polynomials
- beechner224
- · Replies 2 ·
Graduate Continuous Function Outgrowing Polynomial but Not Exponential
- disregardthat
- · Replies 4 ·
Graduate Favourite pathological examples
- fourier jr
- · Replies 5 ·
Undergrad Imaginary numbers and Imaginary Time
- TimBowe
- · Replies 5 ·
Graduate Cauchy sequence without limit in a complete space?
- LumenPlacidum
- · Replies 5 ·
Graduate Do nonfaithful functors appear in real colimit constructions?
- fallgesetz
- · Replies 1 ·
Graduate Why does (e^{i 2π})^{1/2} give different answers?
- Proofrific
- · Replies 12 ·
Graduate Residue of (1 + z)e^(3/z) at an essential singularity
- joris_pixie
- · Replies 2 ·
Graduate What's the difference between analytic and continuously differentiable?
- AxiomOfChoice
- · Replies 1 ·
Undergrad Can These Two Complex Math Equations Be Solved Correctly?
- RaYaMe
- · Replies 3 ·
Undergrad Proof: Solve Rational equation for interval
- John O' Meara
- · Replies 4 ·
Undergrad Real root of odd degree polynomial using IVT
- John O' Meara
- · Replies 6 ·
Graduate Determining which sets are open?
- ~Death~
- · Replies 1 ·
High School Why the point of x + iy would be (x, y) ?
- I_am_no1
- · Replies 2 ·
Graduate Convergence of sequences in topological spaces?
- ~Death~
- · Replies 4 ·
Graduate Algebraic and topological sets
- SW VandeCarr
- · Replies 3 ·
Graduate Does every uncountable set of reals contain an interval?
- dreamtheater
- · Replies 3 ·
Undergrad Exponential functions, and complex numbers
- string_656
- · Replies 11 ·
Graduate Book Suggestions for Undergraduate Topology Class
- cap.r
- · Replies 2 ·
Graduate Duality Pairing and Functionals
- maros522
- · Replies 5 ·
Graduate Is the Mandelbrot Set Lebesgue Measurable?
- Dragonfall
- · Replies 6 ·
Graduate Isomorphic between plane and line
- hermitian
- · Replies 4 ·
Graduate Is There a Stronger Urysohn Lemma for Banach Spaces?
- quasar987
- · Replies 2 ·
Graduate Converging Uncountable Sum of Positive Reals
- Dragonfall
- · Replies 12 ·
Graduate Continuity & Uniform Continuity: Question on Solutions
- student12s
- · Replies 4 ·
Graduate Why is $\mathcal{A} \cup \{0\}$ Compact but $\mathcal{A}$ is Not?
- lukaszh
- · Replies 4 ·
Undergrad What Is the Geometric Term for the Cartesian Product of n Unit Intervals?
- Tac-Tics
- · Replies 3 ·
Undergrad Problem with Logarithms solutions
- Jacopo
- · Replies 2 ·
Graduate W=z^n- transformation in complex space
- omri3012
- · Replies 1 ·
Graduate Finding the Right Measure Theory Course for Graduate Studies in Economics
- mlarson9000
- · Replies 17 ·
Undergrad To find logarithm of a complex number
- AlbertEinstein
- · Replies 19 ·
Graduate Solving a Functional Equation - Muzialis
- muzialis
- · Replies 4 ·
Graduate Understanding H=L^2 in Quantum Mathematics
- pellman
- · Replies 4 ·
Graduate Can Complex Spaces Be Projected onto Closed Real Spaces without Infinity?
- thehangedman
- · Replies 1 ·
Graduate Completeness axiom for subsets of real numbers
- Bleys
- · Replies 4 ·
Graduate Understanding Holder's Inequality: A Key Step in Proving Minkowski's Inequality
- pbandjay
- · Replies 3 ·
Graduate Definition of open set in topology
- kof9595995
- · Replies 9 ·
Graduate What is the formula for complex exponentiation with an irrational exponent?
- Twinbee
- · Replies 6 ·
Graduate What is the intuitive meaning of a simply connected region?
- de_brook
- · Replies 4 ·
Undergrad Definition of Complex Conjugate
- Jest3r
- · Replies 8 ·
Graduate The Euler formula how was it developed?
- Skynt
- · Replies 4 ·
Graduate Dividing S^3 into two separate pieces.
- Spinnor
- · Replies 1 ·
Graduate Definition of uniform convergence written as math symbols
- Gerenuk
- · Replies 17 ·
Graduate Functional Equation for $\sum_{n=0}^{N}n^{k}$
- zetafunction
- · Replies 1 ·
Graduate Dirac delta function with complex arguments
- JayFsd
- · Replies 2 ·
Graduate Testing if real-valued expressions are negative
- CRGreathouse
- · Replies 1 ·
Graduate Foundations of measure theory?
- tgt
- · Replies 2 ·
Graduate A strict non-standard inequality .999 < 1
- Count Iblis
- · Replies 11 ·
Undergrad Why 1-1/x≠1 even though the limit equals 1
- greeniguana00
- · Replies 11 ·