Marco Ripà

[20] viXra:2501.0106 replaced on 2025-09-23 17:12:25 , (387 unique-IP downloads)

Five Hard Problems with a Simple Solution

Authors: Marco Ripà
Category: Number Theory

[19] viXra:2307.0008 replaced on 2024-01-05 01:58:19 , (474 unique-IP downloads)

General Conjecture on the Optimal Covering Trails in a K-Dimensional Cubic Lattice

Authors: Marco Ripà
Category: Combinatorics and Graph Theory

[18] viXra:2204.0139 replaced on 2022-05-15 19:46:14, (564 unique-IP downloads)

On Some Conjectures Concerning Perfect Powers

Authors: Marco Ripa
Category: Number Theory

[17] viXra:2112.0165 submitted on 2021-12-31 00:14:30, (316 unique-IP downloads)

Number of Stable Digits of Any Integer Tetration

Authors: Marco Ripà, Luca Onnis
Category: Number Theory

[16] viXra:2007.0057 replaced on 2020-07-18 17:19:17, (729 unique-IP downloads)

Solving the 106 Years Old 3^k Points Problem with the Clockwise-Algorithm

Authors: Marco Ripà
Category: Combinatorics and Graph Theory

[15] viXra:1906.0501 replaced on 2020-06-25 00:53:09, (3212 unique-IP downloads)

Solving the N_1 × N_2 × N_3 Points Problem for N_3 < 6

Authors: Marco Ripà
Category: Combinatorics and Graph Theory

[14] viXra:1811.0338 replaced on 2018-11-23 22:07:51, (458 unique-IP downloads)

Theorem on the Congruence Speed of Tetration

Authors: Marco Ripà
Category: Number Theory

[13] viXra:1810.0223 replaced on 2018-10-23 16:14:29, (1287 unique-IP downloads)

On the Convergence Speed of Tetration

Authors: Marco Ripà
Category: Number Theory

[12] viXra:1809.0050 submitted on 2018-09-02 10:40:32, (1323 unique-IP downloads)

The 2n-2 Lines Proof of the n x n Points Puzzle

Authors: Marco Ripà
Category: Combinatorics and Graph Theory

[11] viXra:1807.0384 replaced on 2018-07-25 16:31:37, (699 unique-IP downloads)

The n X n X n Dots Problem: An Improved “Outside the Box” Upper Bound

Authors: Marco Ripà, Valerio Bencini
Category: Combinatorics and Graph Theory

[10] viXra:1707.0298 submitted on 2017-07-23 11:06:26, (646 unique-IP downloads)

The nxnxn Dots Problem Optimal Solution

Authors: Marco Ripà
Category: Combinatorics and Graph Theory

[9] viXra:1508.0430 submitted on 2015-08-31 20:38:15, (413 unique-IP downloads)

How Many Primes in 100 Consecutive Integers?

Authors: Marco Ripà, Gabriele Tessaro, Andrea Forti
Category: Number Theory

[8] viXra:1508.0201 replaced on 2015-08-30 18:35:17, (1191 unique-IP downloads)

The n X n X n Points Problem Optimal Solution

Authors: Marco Ripà
Category: Combinatorics and Graph Theory

[7] viXra:1307.0167 replaced on 2013-08-07 16:04:09, (608 unique-IP downloads)

Moutaoikil-Ripà’s Conjecture on Prime Numbers

Authors: Marco Ripà
Category: Number Theory

[6] viXra:1307.0095 replaced on 2013-09-06 17:31:43, (1166 unique-IP downloads)

The Rectangular Spiral Solution for the n_1 X n_2 X … X n_k Points Problem

Authors: Marco Ripà
Category: Combinatorics and Graph Theory

[5] viXra:1307.0021 replaced on 2013-09-05 19:08:16, (8282 unique-IP downloads)

The Nine Dots Puzzle Extended to Nxnx…xn Points

Authors: Marco Ripà, Pablo Remirez
Category: Combinatorics and Graph Theory

[4] viXra:1201.0048 replaced on 2012-01-14 13:08:28, (1884 unique-IP downloads)

The Largest Number Ever

Authors: Marco Ripà
Category: Number Theory

[3] viXra:1103.0070 replaced on 4 Dec 2011, (608 unique-IP downloads)

Patterns Related to the Smarandache Circular Sequence Primality Problem

Authors: Marco Ripà
Category: Number Theory

[2] viXra:1103.0031 submitted on 10 Mar 2011, (984 unique-IP downloads)

On the Relation Between Double Summations and Tetrahedral Numbers

Authors: Marco Ripà
Category: Algebra

[1] viXra:1101.0092 replaced on 4 Mar 2011, (1106 unique-IP downloads)

On Prime Factors in Old and New Sequences of Integers

Authors: Marco Ripà
Category: Number Theory