Hiroshi Okumura

[13] viXra:1908.0020 submitted on 2019-08-01 10:58:49, (19 unique-IP downloads)

A Note on Circle Chains Associated with the Incircle of a Triangle

Authors: Hiroshi Okumura
Category: Geometry

[12] viXra:1907.0581 replaced on 2019-07-29 22:51:43, (22 unique-IP downloads)

A Remark on a Golden Arbelos in Wasan Geometry

Authors: Hiroshi Okumura
Category: Geometry

[11] viXra:1907.0437 submitted on 2019-07-23 20:48:54, (99 unique-IP downloads)

Values of the Riemann Zeta Function by Means of Division by Zero Calculus

Authors: Hiroshi Okumura, Saburou Saitoh
Category: Number Theory

[10] viXra:1905.0407 submitted on 2019-05-22 03:20:09, (40 unique-IP downloads)

Division by Zero Calculus and Pompe's Theorem

Authors: Tsutomu Matsuura, Hiroshi Okumura, Saburou Saitoh
Category: General Mathematics

[9] viXra:1904.0123 submitted on 2019-04-06 21:12:45, (21 unique-IP downloads)

A Note on the Arbelos in Wasan Geometry, Satoh's Problem and a Circle Pattern

Authors: Hiroshi Okumura
Category: Geometry

[8] viXra:1902.0223 submitted on 2019-02-12 18:39:18, (68 unique-IP downloads)

Horn Torus Models for the Riemann Sphere and Division by Zero

Authors: Wolfgang W. D\"aumler, Hiroshi Okumura, Vyacheslav V. Puha, Saburou Saitoh
Category: Functions and Analysis

[7] viXra:1902.0221 submitted on 2019-02-12 23:41:31, (32 unique-IP downloads)

A Remark of the Definition of $0/0=0$ by Brahmagupta

Authors: Hiroshi Okumura
Category: General Mathematics

[6] viXra:1901.0162 submitted on 2019-01-11 17:27:46, (39 unique-IP downloads)

Archimedean Incircle of a Triangle

Authors: Hiroshi Okumura
Category: Geometry

[5] viXra:1811.0310 replaced on 2018-11-25 06:15:59, (122 unique-IP downloads)

A General Definition of Division in a Field

Authors: Hiroshi Okumura
Category: Algebra

[4] viXra:1811.0283 submitted on 2018-11-18 20:46:54, (194 unique-IP downloads)

To Divide by Zero is to Multiply by Zero

Authors: Hiroshi Okumura
Category: Algebra

[3] viXra:1811.0132 submitted on 2018-11-08 20:40:58, (53 unique-IP downloads)

The Arbelos in Wasan Geometry, Problems of Izumiya and Nait\=o

Authors: Hiroshi Okumura
Category: Geometry

[2] viXra:1804.0360 submitted on 2018-04-25 02:11:06, (53 unique-IP downloads)

A Note on a Problem in Misho Sampo

Authors: Hiroshi Okumura
Category: Geometry

[1] viXra:1802.0196 replaced on 2018-02-16 15:58:29, (54 unique-IP downloads)

A Note on a Problem Invoving a Square in a Curvilinear Triangle

Authors: Hiroshi Okumura
Category: Geometry