Alvaro Lozano-Robledo

3:25

Is it worth paying triple to go out-of-state for college?

Shared 3 days ago

393 views

4:14

The date 9/27/2025 is cool but wait to hear about 12/13/2025

Alvaro Lozano-Robledo

Shared 5 days ago

256 views

5:30

The functions that are equal to their own n-th derivative

Alvaro Lozano-Robledo

Shared 1 week ago

1.3K views

4:08

The functions that are equal to their own third derivative

Alvaro Lozano-Robledo

Shared 1 week ago

6.1K views

4:02

How to find an angle with rational trig values as near as desired to another given angle

Alvaro Lozano-Robledo

Shared 1 week ago

257 views

4:05

A method to compute the commutator subgroup

Alvaro Lozano-Robledo

Shared 1 week ago

496 views

3:49

For what angles are all trig values given by rational numbers?

Alvaro Lozano-Robledo

Shared 1 week ago

661 views

3:18

The commutator subgroup is a normal subgroup

Alvaro Lozano-Robledo

Shared 2 weeks ago

268 views

3:03

🚨 Cool Math Date Alert! 🚨 (9/16/25)

Alvaro Lozano-Robledo

Shared 2 weeks ago

770 views

4:11

How does the dot product come about?

Alvaro Lozano-Robledo

Shared 2 weeks ago

777 views

4:08

The product of slopes of perpendicular lines is -1... But WHY -1?

Alvaro Lozano-Robledo

Shared 2 weeks ago

463 views

4:06

Advice to do better in your math classes

Alvaro Lozano-Robledo

Shared 2 weeks ago

865 views

3:19

A geometric probability problem

Alvaro Lozano-Robledo

Shared 3 weeks ago

551 views

3:56

The probability of a "fine tuned" universe

Alvaro Lozano-Robledo

Shared 3 weeks ago

760 views

4:44

A quotient group of the affine group

Alvaro Lozano-Robledo

Shared 3 weeks ago

415 views

3:50

Left and right cosets, and normal subgroups

Alvaro Lozano-Robledo

Shared 3 weeks ago

376 views

4:11

What does math sound like in Spanish? (Abstract Algebra)

Alvaro Lozano-Robledo

Shared 4 weeks ago

1.1K views

5:52

Don't fall for Newton propaganda! (The brachistochrone problem)

Alvaro Lozano-Robledo

Shared 1 month ago

3.6K views

3:03

What's up with the value of sin(pi/5)?

Alvaro Lozano-Robledo

Shared 1 month ago

598 views

4:03

Math job market advice for grad students and postdocs

Alvaro Lozano-Robledo

Shared 1 month ago

1.2K views

3:03

The integral of sin(x)*sinh(x) done in two ways

Alvaro Lozano-Robledo

Shared 1 month ago

358 views

5:11

p-adic numbers that are not rational

Alvaro Lozano-Robledo

Shared 1 month ago

1.3K views

3:18

REAL ANALYSIS IS A *SCAM* (not really, but hear me out)

Alvaro Lozano-Robledo

Shared 1 month ago

5K views

6:16

A (finite dimensional) vector space is isomorphic to the dual of the dual

Alvaro Lozano-Robledo

Shared 1 month ago

1.4K views

3:12

What is up with division?

Alvaro Lozano-Robledo

Shared 1 month ago

557 views

3:40

Dealing with infinity *without* the axiom of choice

Alvaro Lozano-Robledo

Shared 1 month ago

1.3K views

4:51

How to construct larger and larger "infinities"

Alvaro Lozano-Robledo

Shared 1 month ago

966 views

4:12

Fighting ABC Conjecture misinformation with information

Alvaro Lozano-Robledo

Shared 1 month ago

8.3K views

3:16

Confidently WRONG (about how NSF funding works)

Alvaro Lozano-Robledo

Shared 2 months ago

1.2K views

5:16

From ill-posed to well-posed, from sloppy solution to (mostly) rigorous solution

Alvaro Lozano-Robledo

Shared 2 months ago

901 views

3:41

An ill-posed integro-differential equation

Alvaro Lozano-Robledo

Shared 2 months ago

1.1K views

3:58

Meta thoughts about discussing infinity online

Alvaro Lozano-Robledo

Shared 2 months ago

1.4K views

4:00

Values of pi_e, the constant that generalizes pi to ellipses

Alvaro Lozano-Robledo

Shared 2 months ago

583 views

3:18

A "closed-form" formula for the circumference of an ellipse

Alvaro Lozano-Robledo

Shared 2 months ago

1.2K views

4:37

The "fake math news" about Pythagoras, Hippasus, and square root of 2

Alvaro Lozano-Robledo

Shared 2 months ago

1.4K views

3:07

Is 2*Infinity larger than Infinity?

Alvaro Lozano-Robledo

Shared 2 months ago

613 views

3:16

An elementary proof of Euler's identity (and Euler's formula)

Alvaro Lozano-Robledo

Shared 2 months ago

1.1K views

3:33

Is the infinite of numbers in [0,2] larger than the infinity of numbers in [0,1]?

Alvaro Lozano-Robledo

Shared 2 months ago

1.4K views

3:33

Round up of terrible reporting of math in the media

Alvaro Lozano-Robledo

Shared 3 months ago

6K views

3:14

An open problem in number theory

Alvaro Lozano-Robledo

Shared 3 months ago

6.5K views

1:33

Bryan Birch at PCMI 2009, speaking on "Heegner's Friends, the Modular Functions"

Alvaro Lozano-Robledo

Shared 3 months ago

406 views

3:08

What is zero to the zero to the zero (0^0^0)?

Alvaro Lozano-Robledo

Shared 3 months ago

1.6K views

3:06

Professors afraid of AI and ChatGPT? Not me

Alvaro Lozano-Robledo

Shared 3 months ago

1.2K views

3:12

What's e^e^e^e^(ln(ln(ln(ln(7)))))?

Alvaro Lozano-Robledo

Shared 3 months ago

1.9K views

3:27

On Immigration and Funding

Alvaro Lozano-Robledo

Shared 3 months ago

515 views

4:27

Why do we need a proof of the infinitude of the primes?

Alvaro Lozano-Robledo

Shared 3 months ago

1.5K views

6:32

Reading the first 3 pages of Mochizuki's papers on IUTT

Alvaro Lozano-Robledo

Shared 3 months ago

6.4K views

6:54

The diss book reviews by Mordell and Lang

Alvaro Lozano-Robledo

Shared 3 months ago

1.3K views

4:38

What is 0^0 (zero to the zero)?

Alvaro Lozano-Robledo

Shared 3 months ago

1.2K views

3:07

Higher math is "insanely difficult"

Alvaro Lozano-Robledo

Shared 3 months ago

70K views

6:23

The latest two chapters of ABC Conjecture drama

Alvaro Lozano-Robledo

Shared 3 months ago

42K views

3:17

Is Math "unreasonably effective" at describing the universe?

Alvaro Lozano-Robledo

Shared 3 months ago

876 views

4:02

On unethical scientific behavior (of Newton in particular)

Alvaro Lozano-Robledo

Shared 3 months ago

756 views

3:06

Why do children learn to do subtractions like this?

Alvaro Lozano-Robledo

Shared 3 months ago

239 views

3:40

An example of a 3-adic number

Alvaro Lozano-Robledo

Shared 3 months ago

344 views

3:19

Why aren't kids learning the subtraction algorithm that we learned!?

Alvaro Lozano-Robledo

Shared 3 months ago

13K views

3:07

The proof of "1+1=2"

Alvaro Lozano-Robledo

Shared 4 months ago

7.1K views

4:48

Who was the "greatest scientific mind" of all time? ... NOT Newton.

Alvaro Lozano-Robledo

Shared 4 months ago

4.1K views

3:38

Local rings and localization of Z

Alvaro Lozano-Robledo

Shared 4 months ago

478 views

3:25

On gratuitous math phobia

Alvaro Lozano-Robledo

Shared 4 months ago

4.1K views