Hiroshi Okumura

[5] viXra:1811.0310 replaced on 2018-11-25 06:15:59, (26 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, (59 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, (29 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, (41 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, (41 unique-IP downloads)

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

Authors: Hiroshi Okumura
Category: Geometry