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Measure of the Cantor set plus the Cantor set
August 1st, 2022
real-analysis
measure-theory
sumset
Looking to solve an integral of the form $\int_1^\infty (y-1)^{n-1} y^{-n} e^{(\alpha -\alpha n)\frac{(y-1) }{y}} \; dy$
August 1st, 2022
calculus
integration
numerical-methods
improper-integrals
gamma-function
Is it unethical for a professor to misrepresent the format of an exam?
August 1st, 2022
undergraduate
exams
Proving an equivalence relation on $\mathbb{Z}\times\mathbb{Z}$
April 6th, 2020
elementary-set-theory
discrete-mathematics
equivalence-relations
predict next integer in a series of real numbers
April 10th, 2021
sequences-and-series
real-numbers
Eigenvalues and Eigenvectors of $2 \times 2$ Matrix
August 6th, 2022
linear-algebra
matrices
eigenvalues-eigenvectors
Why in a solenoid, do the magnetic field lines resemble that of a bar magnet?
August 1st, 2022
electromagnetism
magnetic-fields
inductance
Paper rejected due to short reference list
August 1st, 2022
citations
journals
paper-submission
editors
online-publication
Sum of reciprocals of the triangle numbers
August 19th, 2020
sequences-and-series
algebra-precalculus
summation
The lore of the game Numenera mentions "an irrational number that may be a four-dimensional equivalent of $\pi$". What could this mean?
August 6th, 2022
linear-algebra
geometry
pi
Determine whether following series converge or diverge. If converges find its sum?
October 16th, 2020
sequences-and-series
geometric-series
Difficult Definite Integral $\int_{0}^{\frac{\pi}{2}} \sqrt{1+2\cos^2\left(\frac{\pi}{2} - x\right)} + \sin x\, dx$
August 1st, 2022
calculus
integration
The Matrix of a reflection (around abitrary plane)
August 6th, 2022
linear-algebra
linear-transformations
Show that $\phi(p^e)=p^e-p^{e-1}$
February 10th, 2020
abstract-algebra
ring-theory
totient-function
Checking if a matrix is in the span of other matrices
June 29th, 2020
linear-algebra
matrices
vector-spaces
\newcommand and \renewcommand difficulty in class file
August 1st, 2022
macros
document-classes
Reasoning and Explanation for $2/3-1/2$
October 14th, 2020
arithmetic
fractions
Is it inappropriate to ask department staff for syllabi previously used for courses I am to teach in upcoming year?
August 1st, 2022
etiquette
united-states
syllabus
Removing page footer and changing the page header in KOMA-SCRIPT chapters?
August 1st, 2022
header-footer
koma-script
Would a solid door handle get hotter than a hollow one if there is a fire behind the door?
August 6th, 2022
thermodynamics
When does a complex matrix have a square root?
August 6th, 2022
linear-algebra
Show that $\sum_{i=1}^n (x_i - \bar{x})(y_i - \bar{y}) = \sum_{i=1}^n (x_i - \bar{x})(y_i)$.
October 7th, 2020
statistics
summation
Representations of the Poincare group
August 1st, 2022
quantum-field-theory
special-relativity
group-theory
representation-theory
poincare-symmetry
Prove that a power series that is zero on a sequence that converges to zero is the zero function
August 1st, 2022
real-analysis
sequences-and-series
power-series
Can I pursue a bachelor degree at 42? What should I consider when deciding whether to do so?
August 1st, 2022
degree
engineering
education
bachelor
age
Prove a non-decreasing sequence diverges to infinity
January 24th, 2020
limits
cauchy-sequences
Using scope to move objects using the same coordinate system as the objects themselves
May 28th, 2020
tikz-pgf
scoping
Which is more basic, hydrazine or ammonia?
August 1st, 2022
inorganic-chemistry
acid-base
Mentor added his name as the author and changed the series of authors into alphabetical order, effectively putting my name at the last
August 1st, 2022
publications
authorship
mentoring
Professor using student paper as an example of what not to do in class?
August 1st, 2022
graduate-school
united-states
coursework
feedback
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Recents
What age is too old for research advisor/professor?
How much solvent do you add for a 1:20 dilution, and why is it called 1 to 20?
How many weeks of holidays does a Ph.D. student in Germany have the right to take?
Why higher the binding energy per nucleon, more stable the nucleus is.?
What happen if the reviewer reject, but the editor give major revision?
Coordination number of 3D close packing
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pKa = pH for strong acid — strong base?
Anonymous sites used to attack researchers. What to do about it?
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I downoaded articles from libgen (didn't know was illegal) and it seems that advisor used them to publish his work
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Masters in mathematics after bachelors in mechanical engineering
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Why energy is released when an electron is added to a neutral atom?
Time constant of $RC$ circuit with more than one capacitor
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Which of the compounds has the highest percentage of enol?
Article waiting for AE assignment for too long?
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