Homology, Homotopy and Applications

{{Infobox journal

| title = Homology, Homotopy and Applications

| cover =

| abbreviation = Homol. Homotopy Appl.

| mathscinet=Homology Homotopy Appl.

| discipline = Algebraic topology

| editor = {{nowrap|1=Gunnar Carlsson}}

| publisher = International Press

| frequency = Biannually

| history = 1999–present

| impact = 0.549

| impact-year = 2011

| openaccess = Delayed 4 years

| license =

| website = http://intlpress.com/site/pub/pages/journals/items/hha/_home/_main/index.html

| link1 = http://intlpress.com/HHA/

| link1-name = Online access

| ISSN = 1532-0073

| eISSN = 1532-0081

| CODEN =

| LCCN =

| OCLC = 473864575

}}

Homology, Homotopy and Applications is a peer-reviewed delayed open access mathematics journal published by International Press. It was established in 1999 and covers research on algebraic topology. The journal "Homology, Homotopy and Applications" has been founded in 1998 by Hvedri Inassaridze, Head of the Algebra Department of A. Razmadze Mathematical Institute of the Georgian Academy of Sciences, Professor of Tbilisi State University, Georgia.{{cite web|title=HHA General Information|url=http://www.kurims.kyoto-u.ac.jp/EMIS/journals/HHA/geninfo.html|website=EMS ELib Electronic Journals, archival version|accessdate=13 Jan 2019}} The journal is indexed by Mathematical Reviews and Zentralblatt MATH. Its 2011 MCQ was 0.55, and according to the Journal Citation Reports, the journal had a 2015 impact factor of 0.486, with a 5-year impact factor for that year of 0.654.{{cite book |year=2015 |chapter=Homology, Homotopy and Applications |title=2015 Journal Citation Reports |publisher=Thomson Reuters |edition=Science |series=Web of Science |title-link=Journal Citation Reports }}

Formerly completely open access, the journal has switched to a delayed open access model. Volume are made open access 4 years after their issue year. International Press says it "reserves the right to change its online access policy at any time."{{cite web|title=Online Access|url=https://www.intlpress.com/site/frontpages/cs_onlineaccess/index.php|website=International Press|accessdate=12 March 2017}}