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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.
Graduate Confused by a theorem in Milnor-Stasheff
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MHB How Do Riemann Integrals Handle Function Splits and Summations?
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Undergrad Looking for Someone Strong in Analysis
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Insights The Extended Riemann Hypothesis and Ramanujan’s Sum
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Graduate Measure of non-periodicity of almost periodic functions
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MHB Recursive Function for Virus Spread: Finding the General Solution
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Undergrad Hopf Fibration, torus with fibers, do it 2 ways?
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MHB Proving Lemma 3.3 of L&S: Further Aspects of the Proof
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Undergrad What's the definition of "periodic extension of a function"?
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Undergrad Show that (0, ∞) is homeomorphic to (0, 1)
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Undergrad The behavior of a potential-like integral at infinity
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MHB Infinite series involving 'x' has a constant value
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MHB Understanding Riemann Integrable Functions: Interpreting D&K Pages 427-428
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MHB How can we prove the inequality for the supremum and infimum of f*g and f*g?
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MHB Help Needed with Determining B' in Proposition 6.1.2: A Case for n=2
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MHB Complex Analysis: Does $\int_{C(0,10)} f(z)$ Equal 0?
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Undergrad In Euclidian space, closed ball is equal to closure of open ball
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Undergrad Duistermaat & Kolk .... Vol II .... Proof of Proposition 6.1.2
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Graduate Hausdorff property of projective space
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Graduate Understanding Cantor set C in Ternary form with 1/n factor in front C
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Undergrad Describing homeomorphisms with the π1 function
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Graduate DMD is better without Ergodic Theory and Koopman Operators
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Undergrad Simpler Brunnian "rubberband" loops?
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MHB A function given by a logical expression write in the truth table.
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Undergrad Writing down an explicit homotopy
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High School Is there a function for every possible "path"?
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Undergrad "Approximating Basis" -- Is there a contemporary term?
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Undergrad Why Does the Complex Conjugate Involve Negating the Argument Theta?
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Undergrad Broadly spiralling shape from partial sums of Zeta (0.5 + i t)
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Undergrad Showing that a group acts freely and discretely on real plane
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High School Is the Quotient Topology of Real Numbers Homeomorphic to Real Numbers?
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Undergrad Is this generalization equivalent to usual Aposyndetic
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Graduate Limits and Supremum: Is It True?
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High School What kind of definition is this?
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MHB Does This Sequence Converge Uniformly?
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MHB Complex numbers such that modulus (absolute value) less than or equal to 1.
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High School Why Is the Trick for Open Sets in Quotient Topology Valid?
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Undergrad Doing proofs with the variety function and the Zariski topology
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Undergrad A problem of completeness of a metric space
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Undergrad Proving a function f is continuous given A U B = X
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Undergrad Solving Zeno's Paradox: The Flaw in the Notion of Infinity
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Undergrad Show R^2 \{(0,0)} and {(x,y) | 1 < sqrt(x^2+y^2) < 3} are homeomorphic
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High School Can we have a complex number in the exponent?
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MHB Determine the area, calculate the basis vectors and determine the inner product
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Undergrad An open set can be a closed interval?
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MHB Extrema and convergence of sequence
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MHB Calculate the volume of the set M
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MHB What Percentage Am I Asking For If I Want 60 Million Out of 60 Billion Profit?
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MHB Need Support? Discover How to Get Help!
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MHB Limit Comparision Test: Get Help Now
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Graduate Topological Data Analysis - Persistent Homology
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High School Real numbers and complex numbers
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MHB How to Solve a Harmonic Function Problem Involving Partial Derivatives?
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MHB Cauchy-Riemann Equations test problem
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MHB Understanding the Harmonic Function Problem
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Undergrad Continuity of an inverse of a function
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MHB Struggling with Complex Number Function? Need Help?
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MHB Complex number equation graph problem
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MHB Global Extrema of a Trigonometric Function
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MHB No Real Zeroes of $x^6-x^5+x^4-x^3+x^2-x+\dfrac{3}{4}$
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MHB Lebesgue Outer Measure .... Carothers, Proposition 16.1 ....
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High School What is the nature of dimensionality in 11 dimension M-theory?
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Undergrad Pseudometric Spaces: What Are They and Why Are They Important in Mathematics?
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Graduate Is the Assertion Derived from a General Theorem Trivial or Interesting?
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MHB Finding the Unique Solution of a Polar System with Variable Radius?
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Undergrad Negative curvature in low dimensions
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Undergrad Is there a "Nice" proof that R^2 is not disconnected when we remove 2 points
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Graduate What Are n-Dimensional Holes in Topology?
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MHB Proving Topology in X: A Look at Union & Intersection
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Undergrad Regarding i^2, and why it's -1 and not 1
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Undergrad Munkres Chapter 5: Problem involving the Tychonoff Theorem
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Graduate How Do You Determine the Mapping Functions in a Curvilinear Coordinate System?
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MHB Prove that series converges uniformly
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MHB Prove that the algebra generated is dense
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MHB Correctness of Statements about Set A in Metric Space X
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Graduate Fourier transform of hyperbolic tangent
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MHB Prove/Disprove: Uniform Continuity of sin(sin(x))
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MHB F doesn't have in (0,0) a local minimum
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MHB Points of the surface with minimum distance to the point (3,0,0)
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MHB Why is \( T_k \) the Unique Polynomial of Degree \( k \) with These Properties?
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MHB F convex iff Hessian matrix positive semidefinite
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MHB What Are Level Lines and Gradients in Multivariable Calculus?
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MHB Is f Differentiable at (0,0)?
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Undergrad Angles between complex vectors
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MHB Can the Sum of Two Squares Ever Equal 3 Times a Perfect Square?
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MHB Piecewise function: differentiable but not continuously differentiable
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MHB F is partially differentiable in (0,0) but not total differentiable
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MHB Finding the Infimum and Supremum
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Undergrad ##(a_n) ## has +10,-10 as partial limits. Then 0 is also a partial limit
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Graduate Is There a Simple Method to Analyze the Boundary of the 3-Sphere?
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MHB Uniform convergence - Length of graph
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MHB Convergence as for the cofinite topology on R
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Undergrad Is [0,1] under the subspace topology Hausdorff, Compact, or Connected?
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Graduate What Topological Vector Spaces have an uncountable Schauder basis?
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MHB Understanding Example from Topics in Banach Space Integration
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MHB Solve Functional Equation on $\mathbb{Z}$
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Undergrad Jordan Measurement: Accuracy You Can Trust
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Undergrad Simplifying a nested radical that includes a complex number
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Graduate Can falling factorials be a Schauder basis for formal power series?
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MHB Laplace Convolution: f(t)=-5t^2+9
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