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Primes written as the sum of two squares
August 1st, 2022
number-theory
generators of the symplectic group
July 12th, 2021
group-theory
algebraic-groups
Why, historically, do we multiply matrices as we do?
December 24th, 2020
linear-algebra
matrices
math-history
Are there any irrational numbers that have a difference of a rational number?
August 1st, 2022
number-theory
irrational-numbers
transcendental-numbers
rationality-testing
Scale dash pattern with line width
August 1st, 2022
tikz-pgf
tikz-styles
Eigenvalues of a product of matrices, involving Moore-Penrose pseudo inverse
August 1st, 2022
linear-algebra
matrices
eigenvalues-eigenvectors
inverse
pseudoinverse
Definition of weak product/direct sum of groups
August 1st, 2022
abstract-algebra
group-theory
direct-sum
direct-product
How to enable ligatures
August 1st, 2022
ligatures
How to list a paper in your CV when having 1000 co-authors?
August 1st, 2022
citations
cv
Prime splitting in an extension of prime degree
September 9th, 2020
algebraic-number-theory
Enforce strict margin boundaries
July 23rd, 2020
spacing
line-spacing
How do I plot a graph with the x axis across the middle?
October 27th, 2020
graphs
suppress output
August 11th, 2022
latexmk
Show that every upper semi-continuous real function is measurable
August 1st, 2022
real-analysis
measure-theory
semicontinuous-functions
How do I use biblatex with Gummi?
August 1st, 2022
biblatex
bibliographies
biber
gummi
Why do chameleons move back and forth?
October 25th, 2020
zoology
behaviour
Volume of the intersection of two cylinders
August 1st, 2022
calculus
geometry
multivariable-calculus
volume
faq
What type of triangle satisfies: $8R^2 = a^2 + b^2 + c^2 $?
August 1st, 2022
geometry
trigonometry
Why are translation invariant operators on $L^2$ multiplier operators
May 2nd, 2020
functional-analysis
fourier-analysis
harmonic-analysis
How to make page numbering with ligature roman style?
December 31st, 2020
numbering
ligatures
front-matter
roman
What does it mean to have a determinant equal to zero?
November 27th, 2020
linear-algebra
matrices
terminology
determinant
Derivative of an expectation (using integrals)
August 1st, 2022
calculus
integration
probability
Is there any example of a Lie Algebra, who has nontrivial radical but contains no abelian ideal?
August 1st, 2022
lie-algebras
How to make a ruler with logarithmic divisions?
August 1st, 2022
tikz-pgf
Complex objects in TikZ: pgfkeys scope and best practice
January 28th, 2020
tikz-pgf
pgfkeys
A series involving the harmonic numbers : $\sum_{n=1}^{\infty}\frac{H_n}{n^3}$
August 1st, 2022
calculus
real-analysis
sequences-and-series
harmonic-numbers
Vertical space after minipages
June 29th, 2020
minipage
Pasting vs typing into LyX
August 15th, 2022
lyx
Example of a smooth function with zero derivative that is not constant
July 6th, 2020
calculus
Solving Coupled Eigenvalue equations
May 17th, 2020
linear-algebra
matrices
eigenvalues-eigenvectors
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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
Why do universities check for plagiarism in student assignments with online content?
pKa = pH for strong acid — strong base?
Anonymous sites used to attack researchers. What to do about it?
Why does [Ni(gly)2] show optical isomerism despite having no chiral carbon?
I downoaded articles from libgen (didn't know was illegal) and it seems that advisor used them to publish his work
How do superwomen find time?
What is the chemical formula of ghee?
Masters in mathematics after bachelors in mechanical engineering
Advantages or disadvantages of submitting to the new APS open access PRResearch journal?
Why energy is released when an electron is added to a neutral atom?
Time constant of $RC$ circuit with more than one capacitor
Why is CH4 Nonpolar but CH2Cl2 is polar?
Which of the compounds has the highest percentage of enol?
Article waiting for AE assignment for too long?
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